【摘 要】
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As described in this paper,we designed a kind of device with a sandwich structure as:"ITO/CdS nanodipole-CdTe absorber mixed layer/ITO"to study the feasibil
【出 处】
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SNEC 第七届(2013)国际太阳能产业及光伏工程(上海)论坛
论文部分内容阅读
As described in this paper,we designed a kind of device with a sandwich structure as:"ITO/CdS nanodipole-CdTe absorber mixed layer/ITO"to study the feasibility of nanodipole photovoltaic devices.CdS piezoelectric nanoparticles were extracted from CdSTe mixed film by phase segregation.We found the convincing evidences to confirm the mechanism of nanodipoles.First,an analogous electric hysteresis of photovoltage was observed in such devices.Second,we observed that the piezoresponse existed on the grain boundaries,which contributed significantly to the hysteresis behavior of photovoltage.Such hysteresis feature of photovoltage can not be explained by classical junctional device theory.
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