期刊
THIN SOLID FILMS
卷 483, 期 1-2, 页码 372-377出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2005.01.010
关键词
ZnO/CdTe/CuSCN; eta-solar cells; columnar nanocomposite film
The ZnO/CdTe/CuSCN heterostructure was analyzed as a candidate to act as an inorganic eta-solar cell. A ZnO film consisting of single crystal nanocolumns was electrodeposited on a transparent conducting substrate which acts as n-type material. As absorber material we used CdTe, which was deposited on the ZnO columnar film by Metal Organic Chemical Vapor Deposition. In order to complete the eta-solar cell we deposited a CuSCN layer by chemical solution deposition. A conformal and uniform CdTe coverage of the ZnO columns was achieved, producing a very efficient light trapping effect. The effective absorption (similar to 87%) and effective reflectance (similar to 10%) of the complete heterostructure in the 400-800 nm (AM1.5) solar spectrum range are very favorable for the use of this heterostructure in photovoltaic devices. Preliminary current-voltage characterization made on this ZnO/CdTe/CuSCN heterostructure shows rectifying behavior and a photovoltaic effect. (c) 2005 Elsevier B.V. All rights reserved.
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