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Kinetics of photochemical reactions in optically dense media with reagent diffusion

Paper ID Volume ID Publish Year Pages File Format Full-Text
29094 44118 2008 8 PDF Available
Title
Kinetics of photochemical reactions in optically dense media with reagent diffusion
Abstract

The kinetics of photochemical reactions in optically dense media with reagent diffusion is considered. It is shown, by example of the photochromic isomerization A ↔ B, that if the diffusion coefficient of A differs from the diffusion coefficient of B the disturbance of the initial uniform distribution of the total photochrome concentration (A + B) along the light irradiation direction is observed. The greater the difference in diffusion coefficients, the greater the observed change in the total concentration distribution. The effect of change in total concentration along the light irradiation direction is found experimentally by the example of azobenzene dissolved in hydrogel and irradiated by UV light.

Keywords
Optically dense media; Kinetics of photochemical reaction; Photochromic isomerization; Nonlinear kinetics; Diffusion kinetics
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 199, Issues 2–3, 25 September 2008, Pages 303–310
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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Any Questions? feel free to contact us