光学精密工程2012，Vol.20Issue(3)：625-631,7.DOI:10.3788/OPE.20122003.0625
1/f噪声的精确测量及其在太阳能电池可靠性筛选中的应用
Precise measurement of 1/f noise and its application to reliability screening for solar cells
摘要
Abstract
An automatic measurement system for low frequency noises is established to sort solar cells according to their reliability. First, according to the sources of the 1// noise of a solar cell, this paper identifies the feasibility of 1// noise under big current density to be the reliability indication of the solar cell. Then, according to the noise spectral character measured by the automatic measurement system, it points out that comparing the 1// noise spectrum of different solar cells in / at 1 Hz is an effective method to distinguish the reliability of different solar cells. Finally, the method to determine the threshold of screening solar cells is given based on the standard of semiconductor device quality classification. Experimental results indicate that this kind of method can nondestructively sort the solar cells into three groups according to their reliability, and spends only 5 min for measuring single solar cell. The proposed method can detect every single solar cell correctly and has advantages over traditional methods in costs, time and hard to be hurt. This method can satisfy the application requirements of screening solar cells for high reliability.关键词
太阳能电池/1/f噪声/可靠性/筛选方法Key words
solar cell/ 1//noise/ reliability/ screening method分类
信息技术与安全科学引用本文复制引用
周求湛,张彦创,周承鹏,吴丹娥..1/f噪声的精确测量及其在太阳能电池可靠性筛选中的应用[J].光学精密工程,2012,20(3):625-631,7.基金项目
国家自然科学基金资助项目(No.60906034) （No.60906034）
吉林省自然科学基金资助项目(No.201115029) （No.201115029）
