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首页> 外文期刊>Applied Surface Science >Low-cost 3d Nanocomposite Solar Cells Obtained By Electrodeposition of Cuinse_2
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Low-cost 3d Nanocomposite Solar Cells Obtained By Electrodeposition of Cuinse_2

机译：通过Cuinse_2电沉积获得的低成本3d纳米复合太阳能电池

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摘要

Thin CuInSe_2 films have been prepared by electrodeposition from a single bath aqueous solution on both dense and nanoporous TiO_2. The films are deposited potentiostatically using a N_2-purged electrolyte at different potentials. Various deposition times and solution compositions have been employed. The effect of annealing in air and in argon at different temperatures and times is also investigated. Thin films and nanocomposites of TiO_2 and CuInSe_2 have been studied with electron microscopy, X-ray diffraction, Raman spectroscopy, and optical absorption spectroscopy. After a thermal anneal in argon at 350 ℃ for 30 min excellent CuInSe_2 is obtained. In particular the nominal crystal structure and the bandgap of 1.0 eV are found. Although pinholes are present occasionally, good samples with diode curves showing a rectification ratio of 24 at ±1 V are obtained. Upon irradiation with simulated solar light of 1000 W m~(-2) a clear photoconductivity response is observed. Furthermore, also some photovoltaic energy conversion is found in TiO_2|CuInSe_2 nanocomposites.
机译：通过在稠密和纳米多孔的TiO_2上从单浴水溶液中电沉积制备CuInSe_2薄膜。使用N_2净化的电解质在不同电位下恒电位沉积膜。已经采用了各种沉积时间和溶液组成。还研究了在不同温度和时间在空气和氩气中退火的影响。 TiO_2和CuInSe_2的薄膜和纳米复合材料已通过电子显微镜，X射线衍射，拉曼光谱和光学吸收光谱进行了研究。在氩气中于350℃热退火30分钟后，可获得优异的CuInSe_2。特别地，发现标称晶体结构和1.0eV的带隙。尽管偶尔会出现针孔，但可获得的二极管曲线良好的样品显示出在±1 V时的整流比为24。在用1000 W m〜（-2）的模拟太阳光照射下，观察到清晰的光电导响应。此外，在TiO_2 | CuInSe_2纳米复合材料中也发现了一些光伏能量转换。

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