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Thermal desorption analysis of oxygen surface complexes on carbon

✍ Scribed by G Tremblay; F.J Vastola; P.L Walker Jr.

Publisher
Elsevier Science
Year
1978
Tongue
English
Weight
634 KB
Volume
16
Category
Article
ISSN
0008-6223

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✦ Synopsis

The energetics of oxygen surface complex groups bound to a carbon surface were investigated using Iin~-tem~rature pr~mrn~ thermal desorption. 'I&e rate of CO pr~uction from the decomposition of surface complex formed by the low temperature oxygen chemisorption on an activated Graphon surface indicated that at least two types of functional groups and/or sites must exist. In addition the data indicate that the desorption energies of these groups and/or sites is a function of their coverage. Mathematical modeling has also shown that those workers using the step-temperature programmed thermal desorption technique would not have energy resolution sufficient to detect &face heterogeneity.

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