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Materials Today最新综述：钙钛矿太阳能电池
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本综述主要介绍了钙钛矿太阳能电池的基本技术，钙钛矿太阳能电池的结构演变，高湿度情况下稳定性改变，钙钛矿太阳能电池的进展，其未来方向和挑战等。对钙钛矿太阳能电池的发展有着很大的推动作用。 Perovskite solar cells: an emerging photovoltaic technology 共8页 引文44篇 Nam-Gyu Park School of Chemical Engineering and Department of Energy Science, Sungkyunkwan University (SKKU), Suwon 440-746, Republic of Korea Perovskite solar cells based on organometal halides represent an emerging photovoltaic technology. Perovskite solar cells stem from dye-sensitized solar cells. In a liquid-based dye-sensitized solar cell structure, the adsorption of methylammonium lead halide perovskite on a nanocrystalline TiO2 surface produces a photocurrent with a power conversion efficiency (PCE) of around 3–4%, as first discovered in 2009. The PCE was doubled after 2 years by optimizing the perovskite coating conditions. However, the liquid-based perovskite solar cell receives little attention because of its stability issues, including instant dissolution of the perovskite in a liquid electrolyte. A long-term, stable, and high efficiency (～10%) perovskite solar cell was developed in 2012 by substituting the solid hole conductor with a liquid electrolyte. Efficiencies have quickly risen to 18% in just 2 years. Since PCE values over 20% are realistically anticipated with the use of cheap organometal halide perovskite materials, perovskite solar cells are a promising photovoltaic technology. In this review, the opto-electronic properties of perovskite materials and recent progresses in perovskite solar cells are described. In addition, comments on the issues to current and future challenges are mentioned.  |
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2014-12-20 17:48:07, 2.04 M
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