標題: Efficiency improvement of InGaP/GaAs/Ge solar cells by hydrothermal-deposited ZnO nanotube structure
作者: Chung, Chen-Chen
Binh Tinh Tran
Lin, Kung-Liang
Ho, Yen-Teng
Yu, Hung-Wei
Nguyen-Hong Quan
Chang, Edward Yi
材料科學與工程學系
Department of Materials Science and Engineering
關鍵字: ZnO nanotube;Triple-junction;Hydrothermal
公開日期: 5-Jul-2014
摘要: In this paper, a zinc oxide (ZnO) nanotube, fabricated by the hydrothermal growth method on triple-junction (T-J) solar cell devices to enhance efficiency, is investigated. Compared to those of bare T-J solar cells (without antireflection (AR) coating) and solar cells with Si3N4 AR coatings, the experimental results show that the T-J solar cells, which use a ZnO nanotube as an AR coating, have the lowest reflectance in the short wavelength spectrum. The ZnO nanotube has the lowest light reflection among all experimental samples, especially in the range of 350 to 500 nm from ultraviolet (UV) to visible light. It was found that a ZnO nanotube can enhance the conversion efficiency by 4.9%, compared with a conventional T-J solar cell. The Si3N4 AR coatings also enhance the conversion efficiency by 3.2%.The results show that a cell with ZnO nanotube coating could greatly improve solar cell performances.
URI: http://dx.doi.org/10.1186/1556-276X-9-338
http://hdl.handle.net/11536/24885
ISSN: 1556-276X
DOI: 10.1186/1556-276X-9-338
期刊: NANOSCALE RESEARCH LETTERS
Volume: 9
Issue: 
結束頁: 
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