標題: Improvement of bandgap homogeneity in Cu(In,Ga)Se-2 thin films using a modified two-step selenization process
作者: Wang, Yi-Chih
Shieh, Han-Ping D.
光電工程學系
顯示科技研究所
Department of Photonics
Institute of Display
公開日期: 7-十月-2013
摘要: A modified two-step selenization has been demonstrated to overcome inhomogeneous gallium distribution, an issue to lower energy bandgap in the space-charge region as well as cell efficiency. It was found that incorporating selenium into conventional precursors could accelerate the formation of CuInGaSe2 phase in the selenization to accordingly suppress the diffusion effect of gallium. By introducing a pre-heating treatment, this selenization enhanced the bandgap distribution with a back-surface field and an increase of bandgap in the space-charge region, consequently improving open circuit voltage (V-OC) by 25% and cell efficiency by 55%, respectively. (C) 2013 AIP Publishing LLC.
URI: http://dx.doi.org/10.1063/1.4824762
http://hdl.handle.net/11536/22987
ISSN: 0003-6951
DOI: 10.1063/1.4824762
期刊: APPLIED PHYSICS LETTERS
Volume: 103
Issue: 15
結束頁: 
顯示於類別:期刊論文


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  1. 000325779700077.pdf