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Dr. Kai Xiao

Joint Faculty with ORNL

Photo of Dr. Kai Xiao

Contact Information

Mailing Address:
Oak Ridge National Laboratory
PO Box 2008, MS-6488
Oak Ridge, TN 37831-6488
Office Phone: 865-574-7690

Areas of Interest

  • Carbon-based nanomaterials, including carbon nanotubes, graphene, organic nanowires
  • Organic semiconductor materials and electronics, including organic field-effect transistors (OFETs) and organic photovoltaics (OPVs), organic memory devices, sensors
  • Nanoscale electronics using inorganic/organic nanostructures


  • PhD in Chemistry, Institute of Chemistry, Chinese Academy of Sciences



  • R&D research staff scientist at Center for Nanophase Materials Sciences (CNMS), Oak Ridge National Laboratory
  • 10 years of experience in research of organic semiconductor materials and electronics, as well as nanomaterials
  • Author/co-author of over 40 papers in the field of materials chemistry and electronics


  • Yu, X.; Xiao, K.; Chen, J.; Lavrik, N. V.; Hong, K.; Sumpter, B.G.; Geohegan, D. B., “High-Performance Field-Effect Transistors Based on Polystyrene-b-Poly(3-hexylthiophene) Diblock Copolymers,” ACS Nano, in press, DOI: 10.1021/nn2007964 (2011).
  • He, Z.; Xiao, K; Durant, D.; Anthony, J. E.; Hong, K.; Kilbey II, S. M.; Chen, J.; Li, D. “Enhanced Performance Consistency in Nanoparticle/TIPS Pentacene-Based Organic Thin Film Transistors,” Advanced Functional Materials, In Press.
  • Luo, L.; Wilhelm, C.; Young, C. N.; Grey, C. P.; Halada, G. P.; Xiao, K.; Ivanov, I. N.; Howe, J. Y.; Geohegan, D. B.; Goroff, N. S., “Characterization and Carbonization of Highly Oriented Poly(diiododiacetylene) Nanofibers,” Macromolecules, 44, 2626 (2011).
  • Schreuder, M. A.; Xiao, K.; Ivanov, I. N., Weiss, S. M., Rossenthal, S. J., “White Light-Emitting Diodes Based on Ultrasmall CdSe Nanocrystal Electroluminescence,” Nano Letters, 10, 573 (2010).
  • Xiao, K.; Rondinone, A. J.; Puretzky, A. A.; Ivanov, I. N.; Retterer, S. T.; Geohegan, D. B., “Growth, Patterning, and One-Dimensional Electron -Transport Properties of Self-Assembled Ag-TCNQF(4) Organic Nanowires,” Chemistry Materials, 21, 4275 (2009).
  • Xiao, K.; Li, R.; Tao, J.; Payzant, E. A.; Ivanov, I. N.; Puretzky, A. A.; Hu, W.; Geohegan, D. B., “Metastable Copper-Phthalocyanine Single-Crystal Nanowires and Their Use in Fabricating High-Performance Field-Effect Transistors,” Advanced Functional Materials, 19, 3776 (2009).
  • Xiao, K.; Tao, J.; Puretzky, A. A.; Ivanov, I. N.; Retterer, S. T.; Pennycook, S. J.; Geohegan, D. B., “Selective Patterned Growth of Single-crystal Organic Nanowires of Ag-TCNQ by Vapor-Solid Chemical Reaction,” Advanced Functional Materials, 18, 3043 (2008).
  • Xiao, K.; Tao, J.; Pan, Z.; Puretzky, A. A.; Ivanov, I. N.; Pennycook, S. J.; Geohegan, D. B., “Single-crystal Organic Nanowires of Cu-TCNQ: Synthesis, Patterning, Characterization and Device Applications,” Angewandte Chemie International Edition, 46, 2650 (2007).
  • Zhou, Z.; Xiao, K.; Jin, R.; Mandrus, D.; Tao, J.; Geohegan, D. B.; Pennycook, S. J., “One-dimensional electron transport in Cu-TCNQ organic nanowires,” Applied Physical Letters, 90, 193115 (2007).
  • Xiao, K., Ivanov, I. N.; Puretzky, A. A.; Liu, Z.; Geohegan, D. B., “Directed integration of TCNQ-Cu Organic Nanowires Growth into Device Fabrication,” Advanced Materials, 18, 2184 (2006).
  • Xiao, K.; Liu, Y.; Qi, T.; Zhang, W.; Wang, F.; J.; Ma, Y.; Zhan, X.; Yu, G.; Qin, J.; Hu, W.; Zhu, D., “A Highly π-Stacked Organic Semiconductor for Field-Effect Transistors Based on Linearly Condensed Pentathienoacene,” Journal of American Chemical Society, 127, 13281 (2005).

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