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Novel azobenzene nickel(II) sensitizer for dye-sensitized solar cells

Paper ID Volume ID Publish Year Pages File Format Full-Text
26216 43940 2016 7 PDF Available
Title
Novel azobenzene nickel(II) sensitizer for dye-sensitized solar cells
Abstract

•A novel 1-D chain complex was synthesized.•The complex show photoelectric activity in blue light region.•The complex was used as a sensitizer for dye-sensitized solar cells.•The complex improved the efficiency of cells by co-sensitization with N719.

A novel 1-D chain complex {[Ni(azobenzene-4,4′-dicarboxylic acid)(ethylenediamine)2](N,N-dimethylformamide)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).

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Keywords
Dye-sensitized solar cells; Organic sensitizer; Azobenzene; Co-sensitization; Optical properties
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Novel azobenzene nickel(II) sensitizer for dye-sensitized solar cells
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 318, 1 March 2016, Pages 90–96
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us