4.8 Article

Electronic Properties of Conjugated Polyelectrolyte/Single-Walled Carbon Nanotube Composites

Journal

ADVANCED MATERIALS
Volume 26, Issue 27, Pages 4697-+

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201400612

Keywords

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Funding

  1. Singapore National Research Foundation [NRF- CRP2-2007-02]
  2. SERC Grants, Agency for Science, Technology and Research (A*STAR) [102 170 0141]
  3. AFOSR MURI [FA9550-12-1-0002]
  4. Department of Energy Office of Basic Energy Sciences [DE-FG02-08ER46535]
  5. Institute of NanoSystems Interface Sciences and Technologies (INSIST), Nanyang Technological University, Singapore
  6. MRSEC Program of the NSF [DMR 1121053]
  7. Nanyang Technological University

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Two narrow-bandgap conjugated polyelectrolytes (CPEs) of identical backbone structure but different pendant charges are used to disperse single-walled carbon nanotubes (SWNTs) in MeOH. Films of the resulting CPE:SWNT composites have electrical conductivity dependent on the SWNT loading, which can be increased with acid vapor treatment. The anionic CPE gives higher electrical conductivity for the composite immediately after deposition, whereas a more-significant increase is observed for the cationic counterpart after acid treatment.

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