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Ionic diffusion in various electrolytes and the implications for dye-sensitized solar cells

Paper ID Volume ID Publish Year Pages File Format Full-Text
27618 44033 2010 6 PDF Available
Title
Ionic diffusion in various electrolytes and the implications for dye-sensitized solar cells
Abstract

The diffusion of I3− in volatile and non-volatile electrolytes is investigated to confirm the effects on the performance of dye-sensitized solar cells (DSSCs). The ionic diffusion is controlled by using electrolyte mediums with diverse viscosities including acetonitrile, 3-methoxy-propionitrile, diethylene glycol dimethyl ether, and poly(ethylene glycol dimethyl ether) with three different molecular weights and varying I3− concentrations. The diffusion flux in each electrolyte is characterized by scanning electrochemical microscopy. By measuring incident photon to current conversion efficiency, electrochemical impedance spectroscopy, and photovoltaic performance, the optimum diffusion flux of I3− is suggested for the best efficiency of DSSCs.

Keywords
Dye-sensitized solar cell; Diffusion flux; Electrolyte medium; Oligomer electrolyte
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Ionic diffusion in various electrolytes and the implications for dye-sensitized solar cells
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 213, Issue 1, 10 June 2010, Pages 1–6
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
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