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Influence of salts on ionic diffusion in oligomer electrolytes and its implication in dye-sensitized solar cells

Paper ID Volume ID Publish Year Pages File Format Full-Text
29153 44127 2008 4 PDF Available
Title
Influence of salts on ionic diffusion in oligomer electrolytes and its implication in dye-sensitized solar cells
Abstract

The diffusion coefficients of I− and I3− in poly(ethylene glycol) (PEG) oligomer electrolytes as a function of salt type and salt concentration were measured. It was found that the diffusion coefficient of I3− in PEG oligomer electrolytes with potassium iodide (KI) was much lower than that with imidazolium iodide (MPII) because of the difference in the interactions of polar oxygen atoms in the PEG oligomer with K+ or MPI+. In addition, it was also confirmed that this phenomenon affected the recombination process, electron lifetime and consequently, the performance of the DSSCs.

Keywords
Dye-sensitized solar cell; Ionic diffusion; Poly(ethylene glycol); Non-volatile electrolyte
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Influence of salts on ionic diffusion in oligomer electrolytes and its implication 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 148–151
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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Price was $35.95
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