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Molecular design of coumarin dyes with high efficiency in dye-sensitized solar cells

Paper ID Volume ID Publish Year Pages File Format Full-Text
29156 44127 2008 6 PDF Available
Title
Molecular design of coumarin dyes with high efficiency in dye-sensitized solar cells
Abstract

Density functional theory (DFT) and time-dependent DFT calculation have been applied to study the coumarin dyes which act as photosensitizer in dye-sensitized solar cells. The absorption spectra of coumarin dyes in ethanol can be well reproduced with theoretical method. The outstanding performance of NKX-2311 roots in higher light harvesting efficiency and more efficient electron injection efficiency into conduction band of TiO2 electrode according to our computation. Absorption peaks and HOMO energy levels of dyes can be employed as the two effective theoretical parameters for the judgement of their solar to energy efficiency. New coumarin dyes which probably possess higher efficiency were designed referring to our conclusions.

Keywords
Density functional theory; Dye-sensitized solar cell; Coumarin dyes
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Molecular design of coumarin dyes with high efficiency in dye-sensitized solar cells
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 194, Issues 2–3, 20 February 2008, Pages 167–172
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