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American Institute of Physics, Journal of Applied Physics, 16(113), p. 163106

DOI: 10.1063/1.4803045

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Influence of the absorber layer thickness and rod length on the performance of three-dimensional nanorods thin film hydrogenated amorphous silicon solar cells

Journal article published in 2013 by Chung-I. Ho, Wei-Chieh Liang, Dan-Ju Yeh, Vin-Cent Su, Po-Chuan Yang, Shih-Yen Chen, Tsai-Ting Yang, Jeng-Han Lee, Chieh-Hsiung Kuan, I.-Chun Cheng ORCID, Si-Chen Lee ORCID
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

Performance of substrate-configured hydrogenated amorphous silicon solar cells based on ZnO nanorod arrays prepared by hydrothermal method has been investigated. The light harvest ability of three-dimensional nanorods solar cells is a compromise between the absorber layer thickness and the nanorods geometry. By optimizing the intrinsic a-Si:H absorber layer thickness from 75 to 250 nm and varying the length of the nanorods from 600 to 1800 nm, the highest energy conversion efficiency of 6.07% is obtained for the nanorods solar cell having thin absorber layer thickness of 200 nm with the rod length of 600 nm. This represents up to 28% enhanced efficiency compared to the conventional flat reference cell with similar absorber layer thickness.