期刊
SOLAR ENERGY MATERIALS AND SOLAR CELLS
卷 93, 期 5, 页码 544-548出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.solmat.2008.11.046
关键词
Ohmic contact; CuInS2 thin films; Spray pyrolysis
资金
- Consejo Nacional de Ciencia y Tecnologia (CONACyT) de Mexico
The specific contact resistivity (rho(C)) for aluminum (Al), silver (Ag) and indium, (In) metallic contacts on CuInS2 thin films was determined from I-V measurements, with the purpose of having the most appropriate ohmic contact for TCO/CdS/CuInS2 solar cells; rho(C) was measured using the transmission line method (TLM) for the metallic contacts evaporated on CuInS2 thin films deposited by spray pyrolysis with ratios x = [Cu]/[In] = 1.0, 1.1, 1.3 and 1.5 in the spray solution. The results show that In contacts have the lowest rho(C) values for CuInS2 samples grown with x = 1.5. The minimum rho(C) was 0.26 Omega cm(2) for the In contacts. This value, although not very low. will allow the fabrication of CuInS2 solar cells with a small series resistance. (C) 2008 Elsevier B.V. All rights reserved.
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