4.8 Article

Minimizing Purification-Induced Defects in Single-Walled Carbon Nanotubes Gives Films with Improved Conductivity

Journal

NANO RESEARCH
Volume 2, Issue 11, Pages 865-871

Publisher

TSINGHUA UNIV PRESS
DOI: 10.1007/s12274-009-9087-7

Keywords

Carbon nanotube film; conductivity; transparency; coordination chemistry

Funding

  1. National Natural Science Foundation of China [60736004, 50673093, 20721061]
  2. Major State Basic Research Development Program [2006CB806200, 2006CB932103]
  3. National High-Tech Research Development Program of China [2008AA03Z101]
  4. Chinese Academy of Sciences
  5. SONY Corporation, Japan

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A method for the non-destructive purification of single-walled carbon nanotubes (SWNTs) using classical coordination chemistry to remove the metal catalyst has been developed. In preliminary tests, the conductivity of films based on the resulting SWNTs was markedly better than that of films prepared from SWNTs purified by treatment with oxidizing acid solutions. The transparent and conducting SWNT films have potential applications in optoelectronic devices.

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