Organic photovoltaic materials and thin-film solar cells |
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Authors: | Xin Wang Di Liu Jiuyan Li |
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Institution: | (1) Center for Materials Research and Chemistry Department, Norfolk State University, 700 Park Avenue, Norfolk, VA 23504, USA |
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Abstract: | Organic photovoltaic materials are of interest for their future applications in solar cells. Compared to inorganic or dye-sensitized
solar cells, organic photovoltaic (OPV) cells offer a huge potential for low-cost large-area solar cells because of their
low material consumption per area and easy processing. In the last few years, there have seen an unprecedented growth of interest
in OPVs with power conversion efficiency of over 5% attainable. However, OPV’s performance is limited by the narrow light
absorption, poor charge carries mobility, and low stability of organic materials, all of which confine its large-scale commercial
applications. This review will develop a discussion on the OPV device configuration and operational mechanism after an introduction
of the general features of OPV materials. Subsequently, the typical progresses in materials development and performance evolution
in recent years will be summarized. The future challenges and prospects faced by organic photovoltaics will be discussed.
Finally, the innovative strategy on research of molecular design and device optimization will be suggested with the aim for
practical application. |
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