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Hybrid Solar Cells from Regioregular Polythiophene and ZnO Nanoparticles

机译:区域规则聚噻吩和ZnO纳米粒子的混合太阳能电池

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摘要

Blends of nanocrystalline zinc oxide nanoparticles (nc-ZnO) and regioregular poly(3-hexylthiophene) (P3HT) processed from solution have been used to construct hybrid polymer-metal oxide bulk-heterojunction solar cells. Thermal annealing of the spin-cast films significantly improves the solar-energy conversion efficiency of these hybrid solar cells to ~0.9%. Photolumines-cence and photoinduced absorption spectroscopy demonstrate that charge-carrier generation is not quantitative, because a fraction of P3HT appears not to be in contact with or in close proximity to ZnO. The coarse morphology of the films, also identified by tapping-mode atomic force microscopy, likely limits the device performance.
机译:从溶液中加工的纳米晶态氧化锌纳米粒子(nc-ZnO)和区域规则的聚(3-己基噻吩)(P3HT)的混合物已用于构建聚合物-金属氧化物本体-异质结混合太阳能电池。自旋流延膜的热退火将这些混合太阳能电池的太阳能转换效率显着提高至〜0.9%。光致发光和光诱导吸收光谱表明,电荷载流子的产生不是定量的,因为一部分P3HT似乎不与ZnO接触或紧密接触。膜的粗糙形貌,也可以通过敲击模式原子力显微镜确定,可能会限制器件的性能。

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