CuxTe背接触层对CdTe光伏器件性能的影响
Journal Title: Science Paper Online - Year 2009, Vol 4, Issue 4
Abstract
研究了由共蒸发制备出的CuTe多晶薄膜的性能及其对CdTe光伏器件性能的影响。研究表明，刚沉积的CuTe薄膜为非晶相，退火后，随着退火温度的升高，不同配比的样品有着不同程度的物相转变，其中Cu/Te为1∶1.44的薄膜多晶转变最为明显，结晶度较高。以CuTe结构为主相的CuxTe薄膜作为背接触层电池，性能改善不显著，转换效率随膜厚的增加呈递减趋势；以Cu1.44Te结构为主相的CuxTe薄膜作为背接触电池，转换效率有极大提升，在膜厚40 nm处电池呈现最高转换效率；Cu2Te为背接触主相的电池相对于Cu1.44Te为背接触主相的电池，器件性能略有下降，但优于CuTe为背接触主相的电池。
Authors and Affiliations
Huijin Song, Jiagui Zheng, Lianghuan Feng
Keywords
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