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E / Z Isomerization in Crystals—Phase Rebuilding on Photolysis with Long‐Wavelength Radiation
Author(s) -
Kaupp Gerd,
Haak Michael
Publication year - 1996
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199627741
Subject(s) - wavelength , photodissociation , diffuse reflectance infrared fourier transform , absorption (acoustics) , crystal (programming language) , spectroscopy , isomerization , anisotropy , irradiation , radiation , phase (matter) , materials science , absorption spectroscopy , optics , chemistry , photochemistry , physics , photocatalysis , nuclear physics , biochemistry , organic chemistry , quantum mechanics , computer science , programming language , catalysis
Three solid‐state techniques —atomic force microscopy, X‐ray structure analysis, and diffuse reflectance spectroscopy—were combined to discover why E / Z isomerizations in the crystal, for example 1 → 2 , are possible despite their large spatial demands. These studies revealed, for instance, that on irradiation with wavelengths corresponding to the absorption tail of the crystals, anisotropic surface features appear.