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Journal of Photonics for Energy

Characterization of intrinsic ZnO thin film deposited by sputtering and its effects on CuIn1−xGaxSe2 solar cells
Author(s): Minlin Jiang; Xingzhong Yan; Ken Tang
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Paper Abstract

Intrinsic ZnO (i-ZnO) thin films were deposited on glass substrates by radio-frequency magnetron sputtering for exploring the effects of the deposition conditions. These films were optically, electrically, and structurally characterized. Results showed that the properties of i-ZnO thin films changed with the changing of deposition conditions. These i-ZnO films were also integrated into CuIn1-xGaxSe2 (CIGS) solar cells. It was found that the incorporation of an i-ZnO layer in CIGS solar cells led to a significant improvement of homogeneity and efficiency of CIGS solar cells. An increment of 1.71% was gained in the average cell efficiency through adjusting the deposition conditions of i-ZnO layers. Detailed analysis showed that there was no improvement in cell efficiency under the deposition conditions favorable for growing the i-ZnO films. These results indicate that there should be a balance among the optimized performance of each layer deposited for high quality multi-layer devices.

Paper Details

Date Published: 26 July 2012
PDF: 12 pages
J. Photon. Energy. 2(1) 028502 doi: 10.1117/1.JPE.2.028502
Published in: Journal of Photonics for Energy Volume 2, Issue 1
Show Author Affiliations
Minlin Jiang, South Dakota State Univ. (United States)
Xingzhong Yan, South Dakota State Univ. (United States)
Ken Tang, Optorun Co., Ltd. (Japan)

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