期刊
SURFACE & COATINGS TECHNOLOGY
卷 276, 期 -, 页码 116-120出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.surfcoat.2015.06.057
关键词
SnO2 photoelectrodes; ALD; Alumina oxide; Dye absorption
资金
- NSFC [11175024, 11375031]
- State Key Laboratory of Electrical Insulation and Power Equipment [EIPE15208]
- BIGC [23190113051]
In this paper, the mesoporous SnO2 photoelectrodes were coated by ultra-thin alumina through atomic layer deposition (ALD) technique to improve the solar cell efficiency. We find that an ultra-thin Al2O3 coated on mesoporous SnO2 photoelectrodes can improve the open-circuit voltage, short-circuit current, and fill factor, leading to the increase of the energy conversion efficiency. After the measurement by ultraviolet spectrometer in detail We conclude that the enhanced adsorption of the dye N719 after the aluminum oxide coating SnO2 is one of the main reasons to promote the cell efficiency. (C) 2015 Elsevier B.V. All rights reserved.
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