Journal
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
Volume 318, Issue -, Pages 90-96Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotochem.2015.12.001
Keywords
Dye-sensitized solar cells; Organic sensitizer; Azobenzene; Co-sensitization; Optical properties
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Funding
- National Science Foundation of China [21373043]
- Jilin Provincial Science & Technology Department [20130305017GX, 20140101090JC, 20130413046GH]
- Scientific Research Fund of Jilin Provincial Education Department [2014105]
- Jilin city science and technology bureau [201464036]
- Doctor Science Foundation of Northeast Dianli University [BSJXM-201321]
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A novel 1-D chain complex {[Ni(azobenzene-4,4'-dicarboxylic acid)(ethylenediamine)(2)](N,N-dimethyl-formamide)(2))(named as Ni1) was designed, synthesized, characterized, and demonstrated as an efficient sensitizer for dye-sensitized solar cells. The structure of Ni1 was characterized by single-crystal X-ray diffraction, infrared (IR) spectra, and elemental analysis. The optical, electrochemical and photovoltaic properties of Ni1 were investigated by UV visible spectroscopy, cyclic voltammetry, and the photocurrent-photovoltage measurement. The results show that the incident photo-to-current conversion efficiency of cells based on Ni1 was obviously improved in blue light region of solar spectra. The overall conversion efficiency of the dye-sensitized solar cells using Ni1 was increased by 62% under AM 1.5 illumination (100 mW cm(-2)). (C) 2015 Published by Elsevier B.V.
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