Effects of surface plasmon resonant scattering on the power conversion efficiency of organic thin-film solar cells

Y. C. Chang, F. Y. Chou, P. H. Yeh, H. W. Chen, S. H. Chang, Y. C. Lan, T. F. Guo, T. C. Tsai, C. T. Lee

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

The power conversion efficiencies of organic solar cells fabricated with Ag and Ti nanoparticle arrays using nanosphere lithography are studied. The Ag nanoparticle array exhibits a broad absorption spectrum peaked at 420 nm, which spectrally overlaps with the absorption band of the organic absorbing layer centered at 520 nm, while no peak presented for the Ti nanoparticle array. Power conversion efficiencies by the solar cells with Ag and Ti nanoparticle arrays are 2.42% and 1.68%, respectively. This efficiency improvement is proposed to originate from the strong surface plasmon resonant scattering of visible light by Ag nanoparticle arrays.

Original languageEnglish
Pages (from-to)1899-1902
Number of pages4
JournalJournal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures
Volume25
Issue number6
DOIs
Publication statusPublished - 2007

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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