YU Research Group – Nano Energy Lab

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JOURNAL PUBLICATIONS

70. H. Wang, C. Yu, “Frontier in organic thermoelectrics: Materials preparation and performance optimization,” Submitted.

69. S. L. Kim, C. Yu, “Thermoelectric effects in solid-state polyelectrolytes,” under review.

68. G. Yang, H. Jin, Y. H. Kim, X. Yang, D. H. Son, S. Ahn, H. Zhou, C. Yu, “Trench-wall carbon nanotube sponges as effective dual hosts for high-areal-capacity sulfur cathodes and lithium anodes,” under review.

67. H. T. Lin, G. Yang, Y.-Y. T. Tsao, Y. Liu, C. Yu, “Ionic liquid treated carbon nanotube sponge as high-areal-capacity cathode for lithium sulfur batteries,” under review.

66. K. Choi, S. L. Kim, S.-I. Yi, J.-H. Hsu, C. Yu, “Promoting dual electronic and ionic transport in PEDOT by embedding carbon nanotubes for large thermoelectric responses,” under review.

65. S. L. Kim, C. Yu, “Simultaneous heat-to-electricity conversion and storage with intercalated graphene oxide using facile and scalable laser-scribing fabrication,” under review.

64. Y. Liu, W. Choi, J.-H. Hsu, J. Tan, D. S. Han, A. Han, A. Abdel-Wahab, C. Yu,High-performance reverse osmosis membrane enabled by nanofillers and surface modifications,” under review.

63. W. Choi, K. Choi, C. Yu, “Ultra-fast nanoscale polymer coating on porous 3D structures using microwave irradiation,” Adv. Funct. Mater. In press (2017).

62. K. Choi, W. Choi, C. Yu, Y. T. Park, “Enhanced piezoelectric behavior of PVDF nanocomposites by AC dielectrophoresis alignment of ZnO nanowires,” J. Nanomaterials, 6590121 (2017).

61. J.-H. Hsu, W. Choi, G. Yang, C. Yu, “Origin of unusual thermoelectric transport behaviors in carbon nanotube filled polymer composites after solvent/acid treatments,” Org. Electron., 45, 182–189 (2017).

60. C. Cho, M. Culebras, K. L. Wallace, Y. Song, K. Holder, J.-H. Hsu, C. Yu, J. C. Grunlan, “Stable n-type thermoelectric multilayer thin films with high power factor from carbonaceous nanofillers,” Nano Energy, 28, 426–432 (2016).

59. H. Wang, J.-H. Hsu, G. Yang, C. Yu, “Novel organic Schottky barrier diode created in a single planar polymer film,” Adv. Mater., 28, 9545–9549 (2016).

58. S. L. Kim, H. T. Lin, C. Yu, “Thermally chargeable solid-state supercapacitor,” Adv. Energy Mater., 6, 1600546 (2016).

57. H. Wang, S.-I. Yi, C. Yu, “Engineering electrical transport at the interface of conjugated carbon structures to improve thermoelectric properties of their composites,” Polymer, 97, 487-495 (2016).

56. C. Cho, K. L. Wallace, P. Tzeng, J.-H. Hsu, C. Yu, J. C. Grunlan, “Outstanding low temperature thermoelectric power factor from completely organic thin films enabled by multi-dimensional conjugated nanomaterials,” Adv. Energy Mater., 6, 1502168 (2016).

55.  H. Wang, A. S. Tazebay, G. Yang, H. Lin, W. Choi, C. Yu, “Highly deformable thermal interface materials enabled by covalently-bonded carbon nanotubes,” Carbon, 106, 152-157 (2016).

54. W. Choi, K. Choi, J. Kim, C. Yu, “Improving piezoelectric performance of lead-free polymer composites with high aspect ratio BaTiO3 nanowires,” Polymer Testing, 53, 143-148 (2016).

53. W. Choi, G. Yang, S. L. Kim, P. Liu, H.-J. Sue, C. Yu, “One-step synthesis of nitrogen-iron coordinated carbon nanotube catalysts for oxygen reduction reaction,” J. Power Sources, 313, 128-133 (2016).

52. G. Yang, C. Erbay, S.-I. Yi, P. de Figueiredo, R. Sadr, A. Han, C. Yu, “Bifunctional nano-sponges serving as non-precious metal catalysts and self-standing cathodes for high performance fuel cell applications,” Nano Energy, 22, 609-614 (2016). 

51. A. S. Tazebay, S.-I. Yi, J. K. Lee, H. Kim, J.-H. Bahk, S. L. Kim, S.-D. Park, H. S. Lee, A. Shakouri, C. Yu, “Thermal transport driven by extraneous nanoparticles and phase segregation in nanostructured Mg2(Si,Sn) and estimation of optimum thermoelectric performance,” ACS Appl. Mater. Inter., 8, 7003-7012 (2016).

50. H. Wang, J.-H. Hsu, S.-I. Yi, S. L. Kim, K. Choi, G. Yang, C. Yu, “Thermally driven large n-type voltage responses from hybrids of carbon nanotubes and poly(3,4-ethylenedioxythiophene) with tetrakis(dimethylamino)ethylene,” Adv. Mater., 27, 6855-6861 (2015).

49. C. Erbay, G. Yang, P. de Figueiredo, R. Sadr, C. Yu, A. Han, “Three-dimensional porous carbon nanotube sponges for high-performance anodes of microbial fuel cells,” J. Power Sources, 298, 177-183 (2015).

48. C. Sun, B.P. Uberuaga, L. Yin, J. Li, Y. Chen, M. A. Kirk, M. Li, S. A. Maloy, H. Wang, C. Yu, X. Zhang, “Resilient ZnO nanowires in an irradiation environment: An in situ study,” Acta Mater., 95, 156-163 (2015).

47. S. Jee, W. Choi, C. H. Ahn, G. Yang, H. K. Cho, J.-H. Lee, C. Yu, “Enhanced oxygen reduction and evolution by in-situ decoration of hematite nanoparticles on carbon nanotube cathode for high-capacity nonaqueous lithium-oxygen batteries,” J. Mater. Chem. A, 3, 13767-13775 (2015).

46. G. Yang, W. Choi, X. Pu, C. Yu, “Scalable synthesis of bi-functional high-performance carbon nanotube sponge catalysts and electrodes with optimum C-N-Fe coordination for oxygen reduction reaction,” Energy Environ. Sci., 8, 1799-1807 (2015).

45. X. Pu, G. Yang, C. Yu, “Trapping polysulfides in free-standing carbon nanofiber sponges for improving the performances of sulfur batteries,” J. Electrochem. Soc., 162, A1396-A1400 (2015).

44. H. Wang, X. Pu, C. Yu, “Simultaneously improving electrical conductivity and thermopower of polyaniline composites by utilizing carbon nanotubes as high mobility conduits,” ACS Appl. Mater. Inter., 7, 9589-9597 (2015).

43. C. Cho, B. Stevens, J.-H. Hsu, R. Bureau, D. A. Hagen, O. Regev, C. Yu, J. C. Grunlan, “Completely organic multilayer thin film with thermoelectric power factor rivaling inorganic tellurides,” Adv. Mater., 27, 2996-3001 (2015).

42. C. Erbay, X. Pu, W. Choi, M.-J. Choi, Y. Ryu, H. Hou, F. Lin, P. de Figueiredo, C. Yu, A. Han, “Control of geometrical properties of carbon nanotube electrodes towards high-performance microbial fuel cells,” J. Power Sources, 280, 347-354 (2015).

41. S.-I. Yi, C. Yu, “Modeling of thermoelectric properties of SiGe alloy nanowires and estimation of the best design parameters for high figure-of-merits,” J. Appl. Phys., 117, 035105:1-12 (2015).

40. X. Pu, G. Yang, C. Yu, “Liquid-type cathode enabled by 3D sponge-like carbon nanotubes for high energy density and long cycling life of Li-S batteries,” Adv. Mater., 26, 7456-7461 (2014).

39. X. Pu, G. Yang, C. Yu, “Safe and reliable operation of sulfur batteries with lithiated silicon,” Nano Energy, 9, 318-324 (2014).

38. J. W. Lee, J. Lee, S.-I. Yi, Y. M. Seo, B. L. Choi, C. Yu, C.-W. Yang, S. Hwang, S. Kim, D. Whang. E. K. Lee, “Core-shell Si1-xGex nanowires with controlled structural defects for phonon scattering enhancement,” J. Mater. Chem. A, 2, 12153-12157 (2014)

37. S. L. Kim, K. Choi, A. Tazebay, C. Yu, “Flexible power fabrics made of carbon nanotubes for harvesting thermoelectricity,” ACS Nano, 8, 2377-2386 (2014).

36. K.-T. Park, S.-M. Shin, A. S. Tazebay, H.-D. Um, J.-Y. Jung, S.-W. Jee, M.-W. Oh, S.-D. Park, B. Yoo, C. Yu, J.-H. Lee, “Lossless hybridization between photovoltaic and thermoelectric devices,” Sci. Rep., 3, 2123 (2013).

35. G. P. Moriarty, K. Briggs, B. Stevens, C. Yu, J. C. Grunlan, “Fully organic nanocomposites with high thermoelectric power factors by using a dual-stabilizer preparation,” Energy Tech., 1, 265 (2013).

34. H. Wang, L. Yin, X. Pu, C. Yu, “Facile charge carrier adjustment for improving thermopower of doped polyaniline,” Polymer, 54, 1136-1140 (2013).

33. D. Freeman, K. Choi, C. Yu, “N-type thermoelectric performance of functionalized carbon nanotube-filled polymer composites,” PLoS ONE, 7, e47822 (2012).

32. X. Pu, C. Yu, “Enhanced overcharge performance of nano-LiCoO2 by novel Li3VO4 surface coatings,” Nanoscale, 4, 6743-6747 (2012).

31. C. Yu, A. Murali, K. Choi, Y. Ryu, “Air-stable fabric thermoelectric modules made of N- and P-type carbon nanotubes,” Energy Environ. Sci., 5, 9481-9486 (2012).

30. K. Choi, C. Yu, “Highly doped carbon nanotubes with gold nanoparticles and their influence on electrical conductivity and thermopower of nanocomposites,” PLoS ONE, 7, e44977 (2012).

29. L. Yin, E. K. Lee, J. W. Lee, D. Whang, B. L. Choi, C. Yu, “The influence of phonon scatterings on the thermal conductivity of SiGe nanowires,” Appl. Phys. Lett., 101, 043114 (2012).

28. E. K. Lee, L. Yin, Y. Lee, J. W. Lee, S. J. Lee, J. Lee, S. N. Cha, D. Whang, G. S. Hwang, K. Hippalgaonkar, A. Majumdar, C. Yu, B. L. Choi, J. M. Kim, K. Kim, “Large thermoelectric figure-of-merits from SiGe nanowires by simultaneously measuring electrical and thermal transport properties,” Nano Lett., 12, 2918-2923 (2012).

27. Y. Ryu, C. Yu, “Dramatic electrical conductivity improvement of carbon nanotube networks by simultaneous de-bundling and hole-doping with chlorosulfonic acid,” J. Mater. Chem., 22, 6959-6964 (2012).

26. L. Yin, C. Yu, “Morphology transformation of ZnO nanostructures synthesized by a simple thermal annealing method,” J. Solid State Chem., 187, 58-63 (2012).

25. X. Pu, L. Yin, C. Yu, “Facile synthesis of a functional surface modification on nanostructured LiCoO2,” J. Nanoparticle Research, 14, 788:1-7 (2012).

24. G. P. Moriarty, J. N. Wheeler, C. Yu, J. C. Grunlan, “Increasing the thermoelectric power factor of polymer composites using a semiconducting stabilizer for carbon nanotubes,” Carbon, 50, 885-895 (2012).

23. W. Park, K. Choi, K. Lafdi, C. Yu, “Influence of nanomaterials in polymer composites on thermal conductivity,” ASME J. Heat Transfer, 134, 041302:1-7 (2012).

22. Y. Ryu, C. Yu, “The influence of incorporating organic molecules or inorganic nanoparticles on the optical and electrical properties of carbon nanotube films,” Solid State Commun., 151, 1932-1935 (2011).

21. C. Yu, K. Choi, L. Yin, J. C. Grunlan, “Light-weight flexible carbon nanotube based organic composites with large thermoelectric power factors,” ACS Nano, 5, 7885-7892 (2011).

20. Y. Ryu, D. Freeman, C. Yu, “High electrical conductivity and n-type thermopower from double-/single-wall carbon nanotubes by manipulating charge interactions between nanotubes and organic/inorganic nanomaterials,” Carbon, 49, 4745-4751 (2011).

19. L. Yin, Y. Gwak, C. Yu, “A simple synthesis of long nanostructured arrays of crystalline strontium titanates at low-temperatures,” J. Mater. Sci., 46, 6385-6840 (2011).

18. V. Narayanunni, H. Gu, C. Yu, “Monte Carlo simulation for investigating influence of junction and nanofiber properties on electrical conductivity of segregated-network nanocomposites,” Acta Mater., 59, 4548-4555 (2011).

17. C. Yu, Y. Ryu, L. Yin, H. Yang, “Modulating electronic transport properties of carbon nanotubes and improving the thermoelectric power factor via nanoparticle decoration,” ACS Nano, 5, 1297-1303 (2011).

16. C. Yu, J. Park, “Thermal annealing synthesis of titanium-dioxide nanowire-nanoparticle hetero-structures,” J. Solid State Chem., 183, 2268-2273 (2010).

15. D. Kim, Y. S. Kim, K. Choi, J. C. Grunlan, C. Yu, “Improved thermoelectric behavior of nanotube-filled polymer composites with poly(3,4-ethylenedioxythiophene) poly(styrenesulfonate),” ACS Nano, 4, 513-523 (2010).  

14. Y. S. Kim, D. Kim, K. J. Martin, C. Yu, J. C. Grunlan, “Influence of stabilizer concentration on transport behavior and thermopower of carbon nanotube filled latex-based composites,” Macromol. Mater. Eng., 295, 431-436 (2010).

13. M. L. Scullin, J. Ravichandran, C. Yu, M. Huijben, J. Seidel, A. Majumdar, R. Ramesh, “Pulsed laser deposition-induced reduction of SrTiO3 crystals,” Acta Mater., 58, 457-463 (2010)

12. J. Park, Y. Ryu, H. Kim, C. Yu, “Simple and fast annealing synthesis of titanium dioxide nanostructures and morphology transformation during annealing processes,” Nanotechnology, 20, 105608:1-8 (2009).

11. C. Yu, Y. S. Kim, D. Kim, J. C. Grunlan, “Thermoelectric behavior of segregated-network polymer nanocomposites,” Nano Lett., 8, 4428-4432 (2008).

10. C. Yu, M. L. Scullin, M. Huijben, R. Ramesh, A. Majumdar, “The influence of oxygen deficiency on the thermoelectric properties of strontium titanates,” Appl. Phys. Lett., 92, 092118:1-3 (2008).

9. C. Yu, M. L. Scullin, M. Huijben, R. Ramesh, A. Majumdar, “Thermal conductivity reduction in oxygen-deficient strontium titanates,” Appl. Phys. Lett., 92, 191911:1-3 (2008).

8. M. L. Scullin, C. Yu, M. Huijben, J. Ravichandran, S. Mukerjee, J. Seidel, Q. Zhan, J. Moore, A. Majumdar, R. Ramesh, “Anomalously large measured thermoelectric power factor in Sr1-xLaxTiO3 thin films due to SrTiO3 substrate reduction in thin-films on  substrates,” Appl. Phys. Lett., 92, 202113:1-3 (2008).

7. C. Yu, S. Saha, J. Zhou, L. Shi, A. M. Cassell, B. A. Cruden, Q. Ngo, J. Li, “Thermal contact resistance and thermal conductivity of a carbon nanofiber,” ASME J. Heat Transfer, 128, 234-239 (2006).

6. C. Yu, Q. Hao, S. Saha, L. Shi, X. Kong, Z. L. Wang, “Integration of metal oxide nanobelts with microsystems for nerve agent detection,” Appl. Phys. Lett., 86, 063101:1-3 (2005), featured on the issue cover.

5. C. Yu, L. Shi, Z. Yao, D. Li, A. Majumdar, “Thermal conductance and thermopower of an individual single-wall carbon nanotube,” Nano Lett., 5, 1842-1846 (2005).

4. C. Yu, J. Vykoukal, D. Vykoukal, J. Schwartz, L. Shi, P. R.C. Gascoyne, “A three-dimensional dielectrophoretic particle focusing channel for micro-cytometry applications,” J. Microelectromechanical Systems (MEMS), 14, 480-487 (2005).

3. L. Shi, C. Yu, J. Zhou, “Thermal characterization and sensor applications of one-dimensional nanostructures employing microelectromechanical systems,” J. Phys. Chem. B, 109, 22102-22111 (2005).

2. L. Shi, Q. Hao, C. Yu, N. Mingo, X. Kong, Z. L. Wang, “Thermal conductivities of individual SnO2 nanobelts,” Appl. Phys. Lett., 84, 2638-2640 (2004).

1. L. Shi, D. Li, C. Yu, W. Jang, Z. Yao, P. Kim, A. Majumdar, “Measuring thermal and thermoelectric properties of one-dimensional nanostructures using a microfabricated device,” ASME J. Heat Transfer, 125, 881-888 (2003).

 

BOOK CHAPTERS

1. C. Yu, L. Shi, “BioMEMS devices in cell manipulation, micro-flow cytometry and applications,” in Bio-MEMS Technologies and Applications by W. Wang and S. Soper (eds.), Marcel Dekker, Inc. (2007)

 

CONFERENCE/MEETING PROCEEDINGS/PRESENTATIONS

100. C. Yu, “Thermal energy harvesting and storage with polymer and graphitic carbon,” Materials Research Society Fall Meeting, Nov. 27 – Dec. 2, Boston, MA (2016).

99. J.-H. Hsu, G. Yang, C. Yu, “Origin of decoupled electrical conductivity and thermopower in carbon nanotube filled polymer composites after solvent/acid treatments,” Materials Research Society Fall Meeting, Nov. 27 – Dec. 2, Boston, MA (2016).

98. C. Cho, C. Yu, J. Grunlan, “Low temperature thermoelectric power factor from completely organic thin films enabled by multidimensional conjugated nanomaterials,” Materials Research Society Fall Meeting, Nov. 27 – Dec. 2, Boston, MA (2016).

97. G. Yang, C. Erbay, A. Han, C. Yu, “Bifunctional nano-sponges serving as non-precious metal catalysts and self-standing cathodes for high performance fuel cell applications,” Materials Research Society Spring Meeting, Mar. 28 - Apr. 1, Phoenix, AZ (2016).

96. G. Yang, X. Pu, C. Yu, “Mass production of free-standing carbon nanotube sponges as new catholyte reservoir for Li-S batteries.” Materials Research Society Spring Meeting, Mar. 28 - Apr. 1, Phoenix, AZ (2016).

95. H. Wang, J.-H. Hsu, S.-I. Yi, S. L. Kim, C. Yu, “High thermoelectric performance of n-type carbon nanotubes and poly(3,4-ethylenedioxythiophene) composite,” Materials Research Society Spring Meeting, Mar. 28 - Apr. 1, Phoenix, AZ (2016).

94. S.-I. Yi, A. Tazebay, C. Yu, “Deterioration of thermoelectric figure of merit due to phase segregation in magnesium silicide stannide solid solution,” Materials Research Society Spring Meeting, Mar. 28 - Apr. 1, Phoenix, AZ (2016).

93. S. L. Kim, H. Lin, C. Yu, “Development of thermally-driven self-charging supercapacitor by utilization of Sore effect of ionic conductor,” Materials Research Society Spring Meeting, Mar. 28 - Apr. 1, Phoenix, AZ (2016).

92. D. S. Han, C. Erbay, C. Yu, A. Abdel-Wahab, A. Han, “Microbial fuel cell using 3D porous carbon nanotube sponge anode for water reuse and desalination,” 2nd International Conference on Desalination and Environment, Jan. 23 - 26, Doha, Qatar (2016).

91. C. Erbay, G. Yang, C. Yu, A. Han, “High performance & low cost three dimensional carbon nanotube sponge cathode for microbial fuel cells,” International Meeting on Microbial Electrochemistry and Technologies (ISMET), Oct. 1 - 4, Tempe, AZ (2015).

90. K. Choi, W. Choi, C. Yu, J. Kim, “Design and application of piezoelectric polymer composite for squeal noise reduction in railroad vehicle,” 3rd International Conference on Materials and Reliability, Nov. 23 - 25, Jeju, Korea (2015).

89. G. Yang, C. Yu, “Carbon nanotube sponge catalysts for high oxygen reduction reaction without precious metals,” XXIV International Materials Research Congress, Aug. 16 - 20, Cancun, Mexico (2015).

88. G. Yang, C. Yu, “Scalable manufacturing of 3d carbon nanotubes for li-s battery cathode to achieve high energy density and long cycling life,” XXIV International Materials Research Congress, Aug. 16 - 20, Cancun, Mexico (2015).

87. G. Yang, X. Pu, C. Yu, “Liquid-type cathode enabled by 3d sponge-like carbon nanotubes for high energy density and long cycling life of Li-S batteries,” BASF-TAMU Graduate Student Symposium, Aug. 13,  College station, TX (2015).

86. G. Yang, W. Choi, C. Yu, “Carbon nanotube sponge enhanced c-n-fe complexes for high oxygen reduction reaction without precious metal catalysts,” ASME Power & Energy Conference, Jun. 28 - Jul. 2, San Diego, CA (2015).

85. G. Yang, X. Pu, C. Yu, “Liquid-type cathode enabled by 3d sponge-like carbon nanotubes for high energy density and long cycling life of li-s batteries,” ASME Power & Energy Conference, Jun. 28 - Jul. 2, San Diego, CA (2015).

84. A. Tazebay, S. Yi, C. Yu, “Harvesting the solar thermal energy by using Magnesium Silicide thermoelectric module,” ASME Power & Energy Conference, Jun. 28 - Jul. 2, San Diego, CA (2015).

83. A. Tazebay, S.-I. Yi, C. Yu, “Dissimilar thermal transport driven by extraneous nanoparticles and phase segregation in nanostructured Mg2(Si,Sn),” Texas A&M Energy Institute Research Workshop: Fossil-based Technologies for Energy, Jun. 12, College station, TX (2015).

82. G. Yang, H. Lin, W. Choi, C. Yu, “CO2-free thermocatalytic decomposition of natural gas with highly porous carbon nanotube sponges,” Texas A&M Energy Institute Research Workshop: Fossil-based Technologies for Energy, Jun. 12, College station, TX (2015).

81. C. Yu, “Hybrids of conducting polymers and carbon nanotubes for harvesting electrical energy and thermoelectric cooling,” 249th ACS National Meeting & Exposition, Mar. 22 - 26, Denver, CO (2015).

80. G. Yang, C. Yu, “3D N-doped carbon nanotube marshmallow for high-performance oxygen reduction electrocatalysts,” Materials Research Society Fall Meeting, Nov. 30 - Dec. 5, Boston, MA (2014).  

79. C. Yu, “Flexible fabric and coating for thermoelectric cooling or electricity harvesting from the environment,” Materials Research Society Fall Meeting, Nov. 30 - Dec. 5, Boston, MA (2014). [Invited presentation] 

78. C. Erbay, X. Pu, W. Choi, M. Choi, H. Hou, P. Figueiredo, C. Yu, and A. Han, “Effect of physical properties of carbon nanotube anodes on microfluidic microbial fuel cell array,” 18th International Conference on Miniaturized Systems for Chemistry and Life Sciences, Oct. 26 - 30, San Antonio, TX (2014).

77. S. L. Kim, K. Choi, A. Tazebay, C. Yu, “Selfpowered biosensors driven by flexible thermoelectric power generators,” International Conferences on Thermoelectrics, International Conferences on Thermoelectrics, Jul. 6 - 10, Nashville, TN (2014).

76. A. S. Tazebay, C. Yu, “Reducing thermal conductivity by adding nanoparticles into n-type Mg2Si-Mg2Sn Solid solutions,” International Conferences on Thermoelectrics, Jul. 6 - 10, Nashville, TN (2014).

75. S.-I. Yi, L. Yin, C. Yu, “A methodology of improving the thermoelectric figure-of-merit of SiGe nanowires,” Materials Research Society Spring Meeting, Apr. 21 - 25, San Francisco, CA (2014).

74. S. L. Kim, C. Yu, “Flexible carbon nanotube based power fabrics for harvesting thermoelectricity to operate an electrochromic sensor,” Materials Research Society Spring Meeting, Apr. 21 - 25, San Francisco, CA (2014).

73. W. Choi, X. Pu, C. Erbay, M.-J. Choi, A. Han, C. Yu, “Direct synthesis of carbon nanotubes from stainless steel meshes for high performance microbial fuel cells,” Materials Research Society Spring Meeting, Apr. 1 - 5, San Francisco, CA (2013).

72. L. Yin, C. Yu, “An Improved model for estimating thermoelectric transport properties of heavily doped n-type SiGe nanowires at high temperatures, Materials Research Society Spring Meeting, Apr. 1 - 5, San Francisco, CA (2013).

71. H. Wang, L. Yin, X. Pu, and C. Yu, “Enhanced power factor of polyaniline and carbon nanotube composites, Materials Research Society Spring Meeting, Apr. 1 - 5, San Francisco, CA (2013).

70. C. Yu, “Energy harvesting and cooling with flexible and light-weight organic nanocomposites,” TMS Annual Meeting & Exhibition, Mar. 3 - 7, San Antonio, TX (2013). [Invited presentation]

69. A. S. Tazebay, C. Yu, “Improving thermoelectric properties of bulk Mg2(Si,Sn) solid solutions by incorporating nanostructures,” TMS Annual Meeting & Exhibition, Mar. 3 - 7, San Antonio, TX (2013).

68. G. P. Moriarty, J. C. Grunlan, J. N. Wheeler, C. Yu, “Enhancing power factor of polymer composites containing porphyrin-stabilized nanotubes,” Materials Research Society Fall Meeting, Nov. 25 - 30, Boston, MA (2012).  

67. Y. Ryu, C. Erbay, H. Hou, F. Lin, L. Li, P. de Figueiredo, A. Han, and C. Yu, “Three-dimensional carbon nanotube embedded electrodes for improving the performance of microbial fuel cells,” Materials Research Society Fall Meeting, Nov. 25 - 30, Boston, MA (2012).  

66. X. Pu, C. Yu, “Three-dimensional free-standing CNTs/MnO2/C electrodes for Li-ion batteries,” Materials Research Society Fall Meeting, Nov. 25 - 30, Boston, MA (2012).  

65. K. Choi, A. Murali, C. Yu. “Nanocomposites with both n- and p-type doped carbon nanotubes for flexible and light-weight thermoelectric modules,” Materials Research Society Fall Meeting, Nov. 25 - 30, Boston, MA (2012).  

64. A. Tazebay, L. Yin, C. Yu, “Designing nanostructures in bulk Mg2(Si,Sn) solid solutions for improving thermoelectric properties,” ASME International Mechanical Engineering Congress & Exposition, Nov. 9 - 15, Houston, TX (2012).

63. K. Choi, C. Yu, “Large anisotropy in thermal transport for carbon nanotube based polymer composites,” ASME International Mechanical Engineering Congress & Exposition, Nov. 9 - 15, Houston, TX (2012).

62. L. Yin, C. Yu, “Reduction in thermal conductivity of ZnO nanowires,” ASME International Mechanical Engineering Congress & Exposition, Nov. 9-15, Houston, TX (2012).

61. C. Erbay, Y. Ryu, H. Hou, F. Lin, L. Li, P. Figueiredo, C. Yu, A. Han, “Power enhancement with carbon nanotube grown macroporous stainless steel mesh anode in microbial fuel cells,” North American - International Society of Microbial Electrochemical Technologies (NA-ISMET) conference, Oct. 9 - 10, Ithaca, NY (2012).

60. C. Yu, “Thermoelectric behaviors of organic nanocomposites.” KSEA Central Texas Regional Conference, May 19 - 20, 2012, Austin, TX (2012). [Invited presentation]

59. Y. Ryu, C. Yu, “Improving electrical conductivity of carbon nanotube networks by creating electron paths through tube-tube junctions,” NSF CMMI Engineering Research and Innovation Conference, Jul. 9 - 11, Boston, MA (2012). 

58. Y. Ryu, C. Yu, “High electrical conductivity of carbon nanotube networks by debundling and p-doping effects from a chlorosulfonic acid,” 2012 NSF CMMI Engineering Research and Innovation Conference, July 9–11 in Boston, MA (2012). [National]

57. K. Choi, C. Yu, “Inorganic and organic hybrid materials for improving thermoelectric performance of polymer nanocomposites,” Proceedings of the ASME 2012 Summer  Heat Transfer Conference, Jul. 8 - 12, 2012, Rio Grande, Puerto Rico (2012). [Peer Reviewed Proceeding]

56. F. Hu, A. S. Tazebay, C. Yu, “Influence of nanoparticles on the thermoelectric properties of magnesium silicides,” Proceedings of the ASME 2012 Summer  Heat Transfer Conference, Jul. 8 - 12, 2012, Rio Grande, Puerto Rico (2012). [Peer Reviewed Proceeding]

55. F. Hu, A. S. Tazebay, C. Yu, “Controlling phonon scattering by altering micro and nanostructures of doped magnesium silicide solid solutions,” Materials Research Society Spring Meeting, Apr. 9 - 13, San Francisco, CA (2012).

54. K. Choi, A. Murali, C. Yu, “Thermoelectric behavior of polymer- and paper-based nanocomposites containing organic/inorganic nanoparticles and carbon nanotubes,” Materials Research Society Spring Meeting, Apr. 9 - 13, San Francisco, CA (2012).

53. L. Yin, E. K. Lee, Y. Lee, J. W. Lee, S. J. Lee, J. Lee, S. N. Cha, D. Whang, G. S. Hwang, K. Hippalgaonkar, A. Majumdar, B. L. Choi, J. M. Kim, K. Kim, C. Yu, “Theoretical and experimental estimation of electrical and thermal transport properties for heavily doped n-type SiGe nanowires at high temperatures,” Materials Research Society Spring Meeting, Apr. 9 - 13, San Francisco, CA (2012).

52. X. Pu, C. Yu, “Multi-scale carbon-coated LiCoPO4 composites for high power and high energy Li-ion batteries,” Materials Research Society Spring Meeting, Apr. 9 - 13, San Francisco, CA (2012).

51. E. K. Lee, L. Yin, Y. Lee, J. W. Lee, S. J. Lee, J. Lee, S. N. Cha, D. Whang, G. S. Hwang, K. Hippalgaonkar, A. Majumdar, C. Yu, B. L. Choi, J. M. Kim, K. Kim, “Simultaneously measuring thermoelectric transport properties of sige nanowires,” Materials Research Society Fall Meeting, Nov. 28 - Dec. 1, Boston, MA (2011).

50. Fang Hu, Kamyar Ravaji, Choongho Yu, “Synthesis and thermoelectric properties of Mg2(Si,Sn) solid solutions,” Materials Research Society Fall Meeting, Nov. 28 - Dec. 1, Boston, MA (2011).  

49. C. Yu, “Organic nanocomposites for thermoelectric energy conversion,” Materials Research Society Fall Meeting, Nov. 28 - Dec. 1, Boston, MA (2011). [Invited presentation]

48. Y. Ryu, C. Yu, “High electrical conductivity or large n-type thermopower by doping organic/inorganic nanomaterials on carbon nanotubes,” Materials Research Society Fall Meeting, Nov. 28 - Dec. 1, Boston, MA (2011).

47. G. P. Moriarty, J. N. Wheeler, C. Yu, J. C. Grunlan, “Enhancing power factor of polymer composites containing porphyrin-stabilized nanotubes,” Materials Research Society Fall Meeting, Nov. 28 - Dec. 1, Boston, MA (2011).

46. X. Pu, L. Yin, C. Yu, “LiCoO2 Core-Li3VO4 shell structure with enhanced cyclability as cathode materials in Li-ion batteries,” Materials Research Society Fall Meeting, Nov. 28 - Dec. 1, Boston, MA (2011).

45. Y. Ryu, C. Yu, “Extremely high electron/phonon transport properties of carbon nanotube mats by improving electrical/thermal contact junction properties,” ASME International Mechanical Engineering Congress & Exposition, Nov. 11 - 17, Denver, Co (2011).

44. K. Choi, Y. Ryu, J. C. Grunlan, C. Yu, “Influence of nanoparticles on thermoelectric properties of organic composites,” 18th International Conference on Composite Materials, Aug. 21 - 26, Jeju Island, Korea (2011).

43. C. Yu, “Thermoelectric energy conversion,” UKC conference, Aug. 10 - 14, Park city, UT (2011). [Invited presentation]

42. K. Choi, C. Yu, “Metal nanoparticle incorporated carbon nanotube composites for improving thermoelectric transport properties, Materials Research Society Spring Meeting, Apr. 25 - 29, San Francisco, CA (2011).

41. Y. Ryu, C. Yu, “Modulation of thermoelectric transport properties in fermi level shifted carbon nanotube films by precipitating nanoparticles on nanotubes,” Materials Research Society Spring Meeting, Apr. 25 - 29, San Francisco, CA (2011).

40. L. Yin, C. Yu, Thermoelectric and structural characterization of n-type silicon germanium nanowires,” Materials Research Society Spring Meeting, Apr. 25-29, San Francisco, CA (2011).

39. Y. Ryu, C. Yu, “Controlling electron transport in carbon nanotubes by organic/inorganic nanomaterial decoration.” Energy Forum, Feb. 1 - 2, College Station, TX (2011).

38. Y. Ryu, C. Yu, “Building selective pathways for electrons and phonons in nanocomposites,NSF CMMI Engineering Research and Innovation Conference, Jan. 4 - 7, Atlanta, GA (2011).

37. Y. Ryu, C. Yu, “Manipulation of electrical transport of carbon nanotube films by decorating metal nanoparticles,” Materials Research Society Fall Meeting, Nov. 29 - Dec. 2, Boston, MA (2010).

36. J. Grunlan, C. Yu, “Segregated-network polymer nanocomposites for thermoelectric energy conversion,” Materials Research Society Fall Meeting, Nov. 29 - Dec. 2, Boston, MA (2010).

35. L. Yin, C. Yu, “Improved thermoelectric efficiency of silicon germanium alloys at moderate temperatures by nanostructuring,” Materials Research Society Fall Meeting, Nov. 29 - Dec. 2, Boston, MA (2010).

34. K. Choi, J. Grunlan, C. Yu, “Polymeric materials for exceptional thermoelectric properties,” Materials Research Society Fall Meeting, Nov. 29 - Dec. 2, Boston, MA (2010).

33. Y. Ryu, W. Park, C. Yu, “Electron transport in nanoparticle-decorated carbon nanotubes,” Materials Research Society Spring Meeting, Apr. 5 - 10, San Francisco, CA (2010).

32. J. C. Grunlan, C. Yu, “Thermoelectric behavior of polymer nanocomposites with a segregated network of carbon nanotubes,” Materials Research Society Spring Meeting, Apr. 5 - 10, San Francisco, CA (2010).

31. L. Yin, C. Yu, “Thermal and electrical transport properties of silicon germanium alloy nanowires,” Materials Research Society Spring Meeting, Apr. 5 - 10, San Francisco, CA (2010).

30. K. Choi, C. Yu, “Enhancing thermoelectric properties of polymer nanocomposites by changing concentrations and types of carbon nanotubes and stabilizers,” Materials Research Society Spring Meeting, Apr. 5 - 10, San Francisco, CA, (2010).

29. H. Yang, C. Yu, “Synthesis and characterization of bulk La/Nb-doped strontium titanates for thermoelectric energy conversion,” Materials Research Society Spring Meeting, Apr. 5 - 10, San Francisco, CA (2010).

28. J. Grunlan, C. Yu, Y. S. Kim, D. Kim, “Thermoelectric behavior of carbon nanotube-filled latex composites,” APS March Meeting, Mar. 15 - 19, Portland, OR (2010).

27. J. Grunlan, C. Yu, Y. S. Kim, K. Choi, D. Kim, “Improved thermoelectric behavior of nanotube-filled polymer composites,” APS March Meeting, Mar. 15 - 19, Portland, OR (2010).

26. K. Choi, Y. Kim, D. Kim, J. C. Grunlan, C. Yu, “Thermoelectric behaviors of polymer nanocomposites by changing stabilizers and drying conditions,” Materials Research Society Fall Meeting, Nov. 30 - Dec. 4, Boston, MA (2009).

25. J. Grunlan, C. Yu, Y. S. Kim, D. Kim, “Segregated-network polymer nanocomposites for thermoelectric energy conversion,” Materials Research Society Fall Meeting, Nov. 30 - Dec. 4, Boston, MA (2009).

24. C. Yu, V. Narayanunni, Y. Gwak, S.-W. Jee, H. Yang, L. Yin, J.-H. Lee, “Thermoelectric property characterization of core-shell sige nanowires,” Materials Research Society Fall Meeting, Nov. 30 - Dec. 4, Boston, MA (2009).

23. Y. Gwak, V. Narayanunni, S.-W. Jee, A. Mavrokefalos, M. T. Pettes, J.-H. Lee, L. Shi, C. Yu, “Thermal conductivity of one-dimensional silicon-germanium alloy nanowires,” Proceedings of the 2009 ASME Summer Heat Transfer Conference, HT2009-88563, Jul. 19 - 23, San Francisco, California, USA (2009).

22. K. Choi, D. Kim, Y. Kim, J. Grunlan, C. Yu, “Tailoring thermoelectric properties of segregated-network polymer nanocomposites for thermoelectric energy conversion,” Proceedings of the 2009 ASME Summer Heat Transfer Conference, HT2009-88177, Jul. 19 - 23, San Francisco, California, USA (2009).

21. D. Kim, Y. Kim, J. C. Grunlan, C. Yu, “Tailoring thermoelectric properties of segregated-network polymer nanocomposites for thermoelectric energy conversion,” Materials Research Society Spring Meeting, Apr. 13 - 17, San Francisco, CA (2009).  

20. D. McLeod, M. McCarthy, Y. Gwak, A. Aitkaliyeva, H.-K. Jeong, L. Shao, C. Yu, “The Influence of microwave and ion irradiation on electrical and thermal transport properties of carbon nanotube films,” Materials Research Society Spring Meeting, Apr. 13 - 17, San Francisco, CA (2009).

19. Y. Ryu, L. Yin, C. Yu, “Synthesis of core/shell metal oxide nanowires for photovoltaic applications,” Materials Research Society Spring Meeting, Apr. 13 - 17, San Francisco, CA (2009).

18. Y. S. Kim, D. Kim, C. Yu, J. C. Grunlan, “Thermoelectric behavior of carbon nanotube filled polymer nanocomposites,” Nanotech Conference & Expo, May 3 - 7, Houston, TX (2009).

17. C. Yu, D. Kim, Y. Kim, J.C. Grunlan, “Segregated-network polymer nanocomposites for light and economical thermoelectric energy conversion,” Materials Research Society Fall Meeting, Dec. 1- 5, Boston, MA (2008).

16. J. Park, C. Yu, “Synthesis and characterization of one-dimensional strontium titanates for thermoelectric applications” Materials Research Society Fall Meeting, Dec. 1 - 5, Boston, MA (2008).

15. M. L. Scullin , J. Ravichandran , M. Huijben , C. Yu , S. Mukerjee , J. Moore , A. Majumdar , R. Ramesh, “Thermoelectric response of lanthanum-doped SrTiO3 thin-films grown under various oxygen partial pressures,” APS March Meeting, Mar. 10-14, New Orleans, LA (2008).

14. C. Yu, M. Scullin, M. Huijben, S. Mukerjee, J. Feser, J. Moore, R. Ramesh, and A. Majumdar, “Thermoelectricity in La-doped strontium titanate thin-films,” Materials Research Society Fall Meeting, Nov. 26 - 30, Boston, MA (2007).

13. M. T. Pettes, X. Gao, J. H. Seol, A. Mavrokefalos, C. Yu and L. Shi, “Thermal transport in individual single-wall carbon nanotubes,” Materials Research Society Fall Meeting, Nov. 26 - 30, Boston, MA (2007).

12. C. Yu, M. L. Scullin, R. Chen, W. Tian, V. Vaithyanathan, D. G. Schlom, R. Ramesh, and Arun Majumdar, “Thermoelectric properties of La-doped and oxygen-deficient SrTiO3 thin-films.,” Materials Research Society Spring Meeting, Apr. 9 - 13, San Francisco, CA (2007).

11. M. Scullin, C. Yu, R. Chen, W. Tian, V. Vaithyanathan, D. G. Schlom, A. Majumdar, and R. Ramesh, “Thermoelectric properties of nano-structured thin-film oxides,” Materials Research Society Spring Meeting, Apr. 9 - 13, San Francisco, CA (2007).

10. C. Yu, L. Shi, A. M. Cassell, B. A. Cruden, Q. Ngo, J. Li, “Thermal contact resistance and thermal conductivity of a carbon nanofiber,” Proceedings of ASME 2005 Summer Heat Transfer Conference, Jul. 17 - 22, San Francisco, CA, HT2005-72320 (2005).

9. C. Yu, Q. Hao, L. Shi, D.-J. Kang, X. Kong, Z. L. Wang, “Directed assembly of metal oxide nanobelts with microsystems into integrated nanosensors,” Proceedings of the 2004 ASME International Mechanical Engineering Congress and RD&D Expo, Nov. 13 - 19, Anaheim, CA, IMECE 2004-60931, 1-5 (2004).

8. C. Yu, Q. Hao, L. Shi, X. Kong, Z. L. Wang, “Integration of metal-oxide nanobelts with microsystems for sensor applications,” Proceedings of SPIE, Nanosensing: Materials and Devices, Dec. 29, Philadelphia, PA, 5593, 144-151 (2004).

7. L. Shi, Q. Hao, C. Yu, N. Mingo, X. Kong, Z. L. Wang, "Thermal conductivities of individual tin dioxide nanobelts," Proceedings of the 2004 ASME Heat Transfer/Fluids Engineering Summer Conference, Jul. 11 - 15, Charlotte, NC, HTFED2004 - 56469, 1-5 (2004).

6. C. Yu, Q. Hao, L. Shi, “Measuring thermal and thermoelectric properties of nanotubes and nanobelts,” Proceedings of the 27th International Thermal Conductivity Conference and the 15th International Thermal Expansion Symposium, Oct. 26 - 29, Knoxville, TN, 278-288 (2003).

5. C. Yu, L. Shi, J. Vykoukal, P. R. C. Gascoyne, “A micro-flow cytometer based on dielectrophoretic particle focusing,” Proceedings of the 2003 ASME International Mechanical Engineering Congress and RD&D Expo, Nov. 15 - 21, Washington, D.C.,  IMECE 2003-42795, 1-5 (2003).

4. N. Mingo, C. Yu, Q. Hao, L. Shi, ‘Theoretical analysis of sno2 nanobelt thermal conductivity,” Proceedings of the 3rd IEEE Conference on Nanotechnology, Aug. 12 - 14, San Francisco, CA, 259-262 (2003).

3. C. Yu, W. Jang, T. Hanrath, D. Kim, Z. Yao, B. Korgel, L. Shi, Z. L. Wang, D. Li, A. Majumdar, “Thermal and thermoelectric measurements of low dimensional nanostructures,” Proceedings of the 2003 ASME Summer Heat Transfer Conference, Jul. 21 - 23, Las Vegas, NV, HT2003-47263, 1-6 (2003).

2. J. Zhou, C. Yu, Q. Hao, D. Kim, L. Shi, “Nanoscale quantitative thermal imaging of electronic devices,” Proceedings of the 2002 ASME International Mechanical Engineering Congress & Expo, Nov. 17 - 22, New Orleans, LA, HTD-7, 32112:1-7 (2002).

1. D. Li, A. Majumdar, W. Jang, Z. Yao, P. Kim, D. Kim, C. Yu, Q. Hao, L. Shi, "Thermal Property Measurements of Nanotubes, Nanowires, and Nanobelts," Proceedings of the 2002 ASME International Mechanical Engineering Congress & Expo, Nov. 17 - 22, New Orleans, LA, HTD-2, 32787:1-3 (2002).