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Advanced Materials

Transparent, Low-Electric-Resistance Nanocomposites of Self-Assembled Block Copolymers and SWNTs

Authors


  • This work was supported by the Korea Research Foundation Grant funded by the Korean Government (MOEHRD; KRF-2005- 042-D00110), Ministry of Commerce, Industry and Energy(MOCEI) through the project of NGNT (No. 10024135-2005-11) and a grant (f0004091) from the Information Display R&D Center, one of the 21st Century Frontier R&D Programs, and the 0.1 Terabit Non-volatile Memory Development and Seoul Research and Business Development Program (10701 and 10816). This work was supported by the Second Stage of Brain Korea 21 Project in 2006 and by the Seoul Science Fellowship. Supporting Information is available online from Wiley InterScience or from the authors.

Abstract

A transparent PS-b-P4VP copolymer/SWNTs nanocomposite film is used as both source and drain electrode in a pentacene OTFT with transmittance and electricresistance values of 85% and 6000 Ω/□, respectively. The low electric resistance of the film is achieved by the selective doping of HAuCl4 in P4VP cores of the self-assembled block copolymer micelles, which simultaneously provides sufficientstability for the SWNTs suspension.

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