电化学沉积CdS薄膜及其在CZTS薄膜太阳能电池中的应用

材料与冶金学报, 2014, 13(2): 146-151.

电化学沉积CdS薄膜及其在CZTS薄膜太阳能电池中的应用

夏晨 ^1, , 张军 ^2, , 许扬 ^3, , 王喜娜 ^4, , 王浩 ^5,

1.湖北大学物理与电子科学学院,武汉430062

2.湖北大学物理与电子科学学院,武汉430062

3.湖北大学物理与电子科学学院,武汉430062

4.湖北大学物理与电子科学学院,武汉430062

5.湖北大学物理与电子科学学院,武汉430062

基金项目: 国家自然科学基金(.51372075 and 51311130312)

关键词：电化学沉积 , CdS薄膜 , CZTS太阳能电池 , 缓冲层

Electrochemical deposition of CdS thin film and its application in CZTS solar cell

采用硫代硫酸钠、硫酸镉,配以有机酸NTA调节溶液pH值,首次在碱性环境中电沉积制备CdS薄膜,并将其应用到Cu2ZnSnS4 (CZTS)薄膜太阳能电池中作为缓冲层.实验探讨了pH值、溶液浓度、沉积电位对薄膜晶体结构、形貌、界面等微观结构以及光学特性的影响、在pH值为9.36、Cd2+浓度为0.025 mol/L、沉积电位为-1.7V时,获得了表面均匀致密而无针孔、近化学计量原子比、禁带宽度为2.4 eV的CdS薄膜,将其应用于CZTS薄膜太阳能电池中,所制备的缓冲层CdS薄膜展现了与CZTS薄膜良好的匹配性,CZTS/CdS的p-n结质量得到改善.

参考文献

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电化学沉积CdS薄膜及其在CZTS薄膜太阳能电池中的应用

Electrochemical deposition of CdS thin film and its application in CZTS solar cell

参考文献