不同于传统晶硅太阳电池,新型太阳电池的材料组成多样,光谱响应、容性及稳定性等各异,给其光电转换效率等关键性能指标的准确测量带来了巨大挑战.本文结合国内外现状,综述了近几年作者课题组在新型太阳电池效率准确测量技术方面的一些进展,并重点阐述了效率测量方法、标准量值的溯源和确定、光谱失配因子(Spectral Mismatch Factor,MMF)计算及其它影响因素分析等方面的研究成果,希望能够为各类新型太阳电池光电性能的准确表征提供参考.
Different from the traditional silicon solar cells,new type solar cells composed of various kinds of materials,with different spectral responsivity,compatibility,stability performance,etc.All these bring great challenges for their accurate measurement of photo-electric conversion efficiency or other critical performance indexes.Combining with the present situation in domestic and international scope,this paper expounded the research progress of new type solar cells' efficiency measurement during these years,and illustrated emphatically the efficiency measurement method,traceability and calibration of standard value,calculation of spectral mismatch factor (MMF) and analysis of other influencing factors.We hope to provide a reference for the accurate characterization of the photo-electric properties of various new types of solar cells.
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