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Pitfalls in Interpreting Temperature Programmed Desorption Spectra of Alloys: The CO/CoPt Puzzle
Author(s) -
Fenske Daniela,
Yim WaiLeung,
Neuendorf Stephanie,
Hoogestraat Dirk,
Greshnykh Denis,
Borchert Holger,
Klüner Thorsten,
AlShamery Katharina
Publication year - 2007
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.200700004
Subject(s) - desorption , thermal desorption spectroscopy , adsorption , spectral line , chemistry , analytical chemistry (journal) , absorption (acoustics) , reflection (computer programming) , spectroscopy , absorption spectroscopy , materials science , physics , organic chemistry , optics , quantum mechanics , astronomy , computer science , composite material , programming language
CO adsorption: Strong shifts in temperature‐programmed desorption spectra may occur for alloys with respect to pure compounds as is demonstrated for CO adsorption on a CoPt surface (see figure). A correct interpretation of the data is only possible when corroborated with DFT calculations and a further experimental method such as IR reflection absorption spectroscopy.