Interaction of acetic acid with solid water

The Journal of Physical Chemistry. B
S BahrT Chiavassa

Abstract

The interaction of acetic acid (AA, CH(3)COOH), with solid water, deposited on metals, tungsten and gold, at 80 K, was investigated. We have prepared acid/water interfaces at 80 K, namely, acid layers on thin films of solid water and H(2)O adlayers on thin acid films; they were annealed between 80 and 200 K. Metastable impact electron spectroscopy (MIES) and ultraviolet photoelectron spectroscopy UPS(HeII) were utilized to obtain information on the electronic structure of the outermost surface from the study of the electron emission from the weakest bound MOs of the acids, and of the molecular water. Temperature-programmed desorption (TPD) provided information on the desorption kinetics, and Fourier-transformed infrared spectroscopy (FTIR) provided information on the identification of the adsorbed species as well as on the water and acid crystallization. The results are compatible with the finding of ref 1 (preceding paper), made on the basis of DFT calculations, that AA adsorbs on ice as cyclic dimers. Above 120 K, a rearrangement of the AA dimers is suggested by a sharpening of the spectral features in the IR spectra and by spectral changes in MIES and UPS; this is attributed to the glass transition in AA around 130 K. Above ...Continue Reading

References

Feb 19, 2002·Chemical Reviews·Yoshiya HaradaHiroyuki Ozaki
Oct 30, 2004·The Journal of Chemical Physics·M KondoR Souda
Jul 13, 2005·The Journal of Chemical Physics·A Allouche
Jul 13, 2005·The Journal of Chemical Physics·S BahrA Allouche
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Apr 28, 2006·The Journal of Physical Chemistry. B·A Allouche, S Bahr
Jul 21, 2006·The Journal of Physical Chemistry. B·Ph Parent, C Laffon

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Citations

Jun 11, 2009·The Journal of Chemical Physics·S Bahr, V Kempter
Apr 10, 2008·The Journal of Chemical Physics·S BahrV Kempter
Aug 13, 2011·Current Opinion in Chemical Biology·Peter KingshottHans J Griesser
Sep 4, 2015·The Journal of Chemical Physics·M DoroninJ-H Fillion
Jun 10, 2015·The Journal of Physical Chemistry. a·Daren J BurkeWendy A Brown
Dec 21, 2012·The Journal of Physical Chemistry. a·Adéla KřepelováMarkus Ammann
Jun 1, 2014·The Journal of Physical Chemistry. B·Panos PapagiannakopoulosJan B C Pettersson
Nov 2, 2015·The Journal of Chemical Physics·Daren J BurkeWendy A Brown
Aug 28, 2007·The Journal of Chemical Physics·S Bahr, V Kempter
May 21, 2010·Physical Chemistry Chemical Physics : PCCP·Michaël KerbratMarkus Ammann
Sep 11, 2010·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Maria DarvasPal Jedlovszky
Nov 24, 2011·Physical Chemistry Chemical Physics : PCCP·Jérôme LasnePhilippe Parent
Aug 2, 2008·Langmuir : the ACS Journal of Surfaces and Colloids·Hui Yan, Liang T Chu
Apr 28, 2006·The Journal of Physical Chemistry. B·A Allouche, S Bahr

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