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- Title
CuInS/Mn-CdS quantum dot co-sensitized flexible solar cells based on single fibrous TiO nanowire arrays.
- Authors
Wang, Ruibing; Peng, Zhuoyin; Chen, Wen; Zhao, Yinghan; Chen, Keqiang; Cheng, Yuqing; Liu, Yueli
- Abstract
TiO nanowire arrays are prepared on Ti wire by a hydrothermal process, which are co-sensitized with CuInS/Mn-CdS quantum dots to fabricate the solar cells with CuS/brass as the counter electrode. The UV-Vis absorption spectra observe that the deposition of CuInS/Mn-CdS quantum dots on the TiO photoanodes obviously improves its optical absorption properties. The influence of the length of TiO nanowire arrays is also investigated, which indicates that the solar cells with 20 μm TiO nanowire arrays in length have the best photovoltaic performance. The diameter of CuS/brass counter electrode has a significant influence on the illuminated area and electrocatalytic ability of the solar cells. For comparison, the fibrous CuInS/Mn-CdS quantum dot co-sensitized solar cells using the CuS counter electrode of 100 μm in diameter exhibits a photovoltaic power conversion efficiency of 3.51 %.
- Subjects
CADMIUM sulfide; QUANTUM dot synthesis; SOLAR cells; TITANIUM oxides; NANOWIRES; ELECTROCATALYSIS
- Publication
Journal of Materials Science: Materials in Electronics, 2015, Vol 26, Issue 4, p2016
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-014-2641-4