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Photo-induced structural transformations in crystals at high pressure. Part 1. The crystallographic studies of the photochemical reaction at high pressure

Paper ID Volume ID Publish Year Pages File Format Full-Text
27078 43999 2012 3 PDF Available
Title
Photo-induced structural transformations in crystals at high pressure. Part 1. The crystallographic studies of the photochemical reaction at high pressure
Abstract

The preliminary results of high-pressure X-ray diffraction studies of the intramolecular photochemical Norrish–Yang reaction in single crystals of the salt of 6,6-diethyl-5-oxo-5,6,7,8-tetrahydronaphthalene-2-carboxylic acid and (1S)-1-(4-methylphenyl)ethylamine are presented. The photo-induced changes in the cell parameters at high pressure along with the time of UV irradiation and the changes in the cell parameters along with pressure are discussed. The percentage change in the cell parameters brought about by the photochemical reaction at high pressure is similar to that at normal pressure. The cell volume decreases non-linearly with increasing pressure. The crystals lose their crystallinity above 2 GPa. This is the first paper in scientific literature on monitoring photochemical reactions in crystals at high pressure by X-ray diffraction.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► The intramolecular photochemical reaction in crystals. ► The first results of high-pressure XRD studies of the photochemical reaction. ► Monitoring the cell constants with the progress of the reaction at high pressure. ► The comparative analysis of the results of high and ambient pressure studies. ► Crystals lose their crystallinity above 2 GPa.

Keywords
Crystal; X-ray diffraction; Structural change; Photochemical reaction; High pressure; Diamond anvil cell
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Photo-induced structural transformations in crystals at high pressure. Part 1. The crystallographic studies of the photochemical reaction at high pressure
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 232, 15 March 2012, Pages 41–43
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