Plastic solar cells

被引:0
|
作者
Brabec, Christoph J. [1 ]
Sariciftci, N. Serdar [1 ]
Hummelen, Jan C. [2 ]
机构
[1] Linzer Institut für Organische Solarzellen (LIOS), Physikalische Chemie, Johannes Kepler Universität Linz, Altenbergerstr. 69, A-4040 Linz, Austria
[2] Organic and Molecular Inorganic Chemistry, University of Groningen, Nijenborgh 4, NL-9747 AG Groningen, Netherlands
来源
Advanced Funtional Materials | 2001年 / 11卷 / 01期
关键词
Charge transfer - Electron transport properties - Organic polymers - Photoconductivity - Photosynthesis - Photovoltaic cells - Photovoltaic effects - Quantum efficiency - Semiconducting polymers - Ultrafast phenomena;
D O I
10.1002/1616-3028(200102)11:13.0.CO;2-A
中图分类号
学科分类号
摘要
Recent developments in conjugated-polymer-based photovoltaic elements are reviewed. The photophysics of such photoactive devices is based on the photo-induced charge transfer from donor-type semiconducting conjugated polymers to acceptor-type conjugated polymers or acceptor molecules such as Buckminsterfullerene, C60. This photo-induced charge transfer is reversible, ultrafast (within 100 fs) with a quantum efficiency approaching unity, and the charge-separated state is metastable (up to milliseconds at 80 K). Being similar to the first steps in natural photosynthesis, this photo-induced electron transfer leads to a number of potentially interesting applications, which include sensitization of the photoconductivity and photovoltaic phenomena. Examples of photovoltaic architectures are presented and their potential in terrestrial solar energy conversion discussed. Recent progress in the realization of improved photovoltaic elements with 3% power conversion efficiency is reported.
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页码:15 / 26
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