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Two‐Dimensional IR Pressure‐Jump Spectroscopy of Adsorbed Species for Zeolites
Author(s) -
Chenevarin Stéphane,
ThibaultStarzyk Frédéric
Publication year - 2004
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200352754
Subject(s) - zeolite , adsorption , fourier transform infrared spectroscopy , fourier transform , relaxation (psychology) , diffusion , jump , jump diffusion , chemical physics , spectroscopy , infrared spectroscopy , chemistry , materials science , analytical chemistry (journal) , thermodynamics , physics , optics , organic chemistry , catalysis , psychology , social psychology , quantum mechanics
Probing pores : Adsorbed species on a zeolite are perturbed by pressure jumps (see picture; top), relaxation by means of diffusion and adsorption follows and is monitored by fast IR (middle). 2D maps are obtained by a second Fourier transform (bottom): the spectrum of each adsorbate/site pair is distinguished.

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