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Solid-state dye-sensitized solar cell: Improved performance and stability using a plasticized polymer electrolyte

Paper ID Volume ID Publish Year Pages File Format Full-Text
28537 44080 2006 7 PDF Available
Title
Solid-state dye-sensitized solar cell: Improved performance and stability using a plasticized polymer electrolyte
Abstract

The addition of the plasticizer poly(ethylene glycol)methyl ether to the polymer electrolyte based on poly(epichlorohydrin-co-ethylene oxide), NaI and I2 increased the ionic conductivity by one order of magnitude (1.7 × 10−4 S cm−1) without compromising its electrochemical, thermal and dimensional stabilities. The plasticized polymer electrolyte presented an estimated diffusion coefficient of 2 × 10−6 cm−2 s−1, ca. five times higher than the diffusion coefficient estimated for the polymer electrolyte without plasticizer. Solid-state dye-sensitized TiO2 solar cells (1 cm2) were assembled with the plasticized polymer electrolyte and presented an open circuit potential of 0.64 V, short-circuit current of 0.60 mA cm−2 and an energy conversion efficiency of 1.75% under light intensity of 10 mW cm−2. This efficiency remained unchanged for 30 days, showing that cell efficiency and stability can be improved using a plasticized polymer electrolyte.

Keywords
Polymer electrolyte; Ionic conductivity; Plasticizer; Solid-state dye-sensitized TiO2 solar cell; Stability
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 181, Issues 2–3, 31 July 2006, Pages 226–232
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