Silver-nanoparticle-assisted photocurrent generation in polythiophene-fullerene thin films

Jing You, Taichi Arakawa, Takatoshi Munaoka, Tsuyoshi Akiyama, Yukina Takahashi, Sunao Yamada

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12 Citations (Scopus)

Abstract

We have investigated the effect of silver nanoparticles (AgPs) on the photocurrent generation of a polyphiophene-fullerene photovoltaic film. Poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl-C61-butyric acid methylester (PCBM) were used for the electron donor and acceptor, respectively. First, AgPs were electrostatically deposited upon the surface of an indium tin oxide (ITO) electrode via a polycation. Then, a film of P3HT or a mixture of P3HT and PCBM was prepared by spin coating. The thickness of the film was evaluated by atomic force microscopy. Absorption and fluorescence spectral measurements were carried out to investigate the effects of AgPs. Photocurrent spectra were also measured, and the effects of AgPs on photocurrent enhancement were verified.

Original languageEnglish
Article number04DK22
JournalJapanese journal of applied physics
Volume50
Issue number4 PART 2
DOIs
Publication statusPublished - Apr 2011

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

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