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Title: Dye Sensitization in the Visible Region for Low-Bandgap Polymer Solar Cells
Authors: Wang, Y.
Zheng, B.
Tamai, Y.
Ohkita, H.
Benten, H.
Ito, S.
Author's alias: 大北, 英生
伊藤, 紳三郎
Issue Date: 15-Feb-2014
Publisher: Electrochemical Society
Journal title: Journal of the Electrochemical Society
Volume: 161
Issue: 7
Start page: D3093
End page: D3096
Abstract: We have fabricated ternary blend solar cells by incorporating a wide-bandgap molecule, tris[4-(5-dicyanomethylidenemethyl-2-thienyl)phenyl]amine (TDCV-TPA), into a binary blend of a low-bandgap polymer, poly[2, 3-bis-(3-octyloxyphenyl)quinoxaline-5, 8-diyl-alt-thiophene-2, 5-diyl] (PTQ1), and a fullerene derivative (PCBM) in order to enhance exciton generation and hence charge generation in the visible region. The ternary blend solar cells exhibited large external quantum efficiency (EQE) in the visible range as well as in the near-IR range. As a result, the short-circuit current density (JSC) was improved by more than 20%.
Rights: © 2014 The Electrochemical Society.
DOI(Published Version): 10.1149/2.015407jes
Appears in Collections:Journal Articles

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