Hydrogen passivation of multi-crystalline silicon solar cells
Hu Zhi-Hua (胡志华)ab, Liao Xian-Bo (廖显伯)a, Liu Zu-Ming (刘祖明)b, Xia Chao-Feng (夏朝凤)b, Chen Ting-Jin (陈庭金)b
a State Key Laboratory for Surface Physics, Institute of Semiconductors and Centre for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100083, China; b Institute of Solar Energy, Yunnan Normal University,Kunming 650092, China
Abstract The effects of hydrogen passivation on multi-crystalline silicon (mc-Si) solar cells are reported in this paper. Hydrogen plasma was generated by means of ac glow discharge in a hydrogen atmosphere. Hydrogen passivation was carried out with three different groups of mc-Si solar cells after finishing contacts. The experimental results demonstrated that the photovoltaic performances of the solar cell samples have been improved after hydrogen plasma treatment, with a relative increase in conversion efficiency up to 10.6%. A calculation modelling has been performed to interpret the experimental results using the model for analysis of microelectronic and photonic structures developed at Pennsylvania State University.
Received: 21 June 2002
Revised: 19 September 2002
Accepted manuscript online:
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