温场均匀性对CdTe薄膜及太阳电池性能的影响

李愿杰; 郑家贵; 冯良桓; 黎兵; 曾广根

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温场均匀性对CdTe薄膜及太阳电池性能的影响

材料科学与工程 | 更新时间：2023-11-28

- 温场均匀性对CdTe薄膜及太阳电池性能的影响
- Effect of the Uniformity of Temperature Field on the Properties of CdTe Films and Solar Cells
- 工程科学与技术 2009年41卷第6期页码：119-123
- 作者机构：
  
  1. 四川大学材料科学与工程学院
  2. 四川大学材料科学与工程学院四川,成都,610064
- 作者简介：
- 基金信息：
  
  国家863重点资助项目（2001AA5B010）;四川省应用基金资助项目（2006J13-083）;中国高校博士点资助基金（20050610024）
- DOI：
  中图分类号：
- 纸质出版日期：2009，
  
  网络出版日期：2009-4-28，
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李愿杰,郑家贵,冯良桓,黎兵,曾广根.温场均匀性对CdTe薄膜及太阳电池性能的影响[J].工程科学与技术,2009,41(6):119-123.

Li Yuan-Jie, Zheng Jiagui, FENG Liang huang, et al. Effect of the Uniformity of Temperature Field on the Properties of CdTe Films and Solar Cells[J]. Advanced Engineering Sciences, 2009,41(6):119-123.
李愿杰,郑家贵,冯良桓,黎兵,曾广根.温场均匀性对CdTe薄膜及太阳电池性能的影响[J].工程科学与技术,2009,41(6):119-123. DOI：

Li Yuan-Jie, Zheng Jiagui, FENG Liang huang, et al. Effect of the Uniformity of Temperature Field on the Properties of CdTe Films and Solar Cells[J]. Advanced Engineering Sciences, 2009,41(6):119-123. DOI：

摘要

中文摘要: 采用近空间升华法（CSS）制备CdTe多晶薄膜，模拟制备过程中的温场变化，结合I-V、C-V特性及深能级瞬态谱研究温场均匀性对CdS/CdTe太阳电池性能的影响。结果表明，温场分布和薄膜厚度分布基本一致，温场均匀性对电池组件的开路电压影响不大，对短路电流和填充因子有影响，CdTe薄膜的深中心对温度和频率的响应基本一致。580 ℃制备的样品暗饱和电流密度最小，载流子浓度较高，光电特性较好，而且空穴陷阱浓度较低，深中心复合作用较小。通过改进温场的均匀性能够制备出组件转换效率为8.2%的CdS/CdTe太阳电池。

Abstract

Abstract:The transformation of preparation temperature field of large area CdTe films was simulated

and the effect of temperature field’s uniformity on CdS/CdTe solar cells was investigated by the characteration of I-V、C-V and Deep Level Transient Spectroscopy(DLTS). The result showed that the uniformity of temperature field has effect on Isc and FF

but lacks impact on Voc. Least dark saturated current density、more higher carrier concentration and better photovoltaic performance were observed in the sample prepared at 580 ℃; The response of deep-level impurities in CdTe films is consistent with temperature and frequency

but the sample(580 ℃) has less deep-level impurities’ recombination because of lower hole trap concentration. 8.2% efficiency of the CdS/CdTe solar cells was reached by improved the uniformity of temperature field.

关键词

CdTe 薄膜CdS/CdTe太阳电池深能级瞬态谱（DLTS）

Keywords

CdTe thin filmsCdS/CdTe solar cellsDeep Level Transient Spectroscopy(DLTS)

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