期刊
SOLAR ENERGY MATERIALS AND SOLAR CELLS
卷 95, 期 3, 页码 864-869出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solmat.2010.11.003
关键词
CIGS; Thin film; Solar cell; Rapid thermal processing
资金
- BMU [0327589A, 0327589B]
A Cu(In,Ga)S-2-based solar cell with a confirmed efficiency of 12.6% together with an open circuit voltage of 879 mV, prepared from sputtered metals subsequently sulfurized using rapid thermal processing in sulfur vapor, is reported. The performance of the new cell is superior to those obtained previously with multi-source evaporated absorbers. We show that by carefully adjusting the temperature profile, good absorber properties could be transferred from a long process to a rapid thermal process. The improved efficiency is due to an appropriate degree of gallium diffusion toward the surface, which could be achieved despite the short sulfurization time. Absorber and solar cell characteristics are presented. (C) 2010 Elsevier B.V. All rights reserved.
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