4.8 Article

P3HT Nanopillars for Organic Photovoltaic Devices Nanoimprinted by AAO Templates

Journal

ACS NANO
Volume 6, Issue 2, Pages 1479-1485

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/nn2043548

Keywords

nanorod arrays; anodic aluminum oxide; release agent; thermal nanoimprinting; organic photovoltaic devices

Funding

  1. Department of Energy through the Energy Frontier Research Center at the University of Massachusetts [DOE DE-PS02-08ER15944]
  2. NSF at the University of Massachusetts [DMR-0820506]
  3. DOE, Office of Science, and Office of Basic Energy Sciences

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Free-standing nanorod arrays of poly(3-hexylthlophene) (P3HT) were fabricated on Indium tin oxide/glass substrates using anodic aluminum oxide (AAO) templates. The AAO templates were treated with a low molecular weight polydlmethylsiloxane mold-release agent to reduce their surface energy of the template and interactions with the P3HT. Using a thermal nanoimprinting process, the templates were easily removed, generating nanorods on the surfaces of P3HT thin films. These unique structures were investigated for application in organic photovoltaic devices.

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