Referenced Items are not available for this document.
The postdeposition treatments, such as ammonia rinsing, light soaking, and heat light soaking on cell performances of Cu(In,Ga)Se2 (CIGS) solar cells with Zn-compound buffer layers, are investigated. The impacts of these treatments are discussed in connection with the band alignment at the transparent conducting oxide (TCO)/buffer/CIGS interface. Three types of CIGS solar cells with sputter-deposited ZnO:Al/CBD-ZnS(O,OH), MOCVD-ZnO:B/CBD-ZnS(O,OH), and MOCVD-ZnO:B/ALD-Zn(O,S) are investigated in this paper. The importance of the combination of buffer/TCO materials and deposition processes is discussed. We demonstrate that the adjustment of an S/(S+O) atomic ratio relevant to the band alignment at the buffer/CIGS interface is critical to achieve high-efficiency CIGS solar cells with Zn-compound buffer layer.
Published in:
Photovoltaics, IEEE Journal of
(Volume:3
,
Issue:
1
)
Date of Publication: Jan. 2013
- Page(s):
- 461 - 466
- ISSN :
- 2156-3381
- INSPEC Accession Number:
- 13188112
- Digital Object Identifier :
- 10.1109/JPHOTOV.2012.2223456
- Product Type:
- Journals & Magazines
- Date of Publication :
- 26 October 2012
- Date of Current Version :
- 19 December 2012
- Issue Date :
- Jan. 2013
- Sponsored by :
- IEEE Electron Devices Society
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