title: Characterization of carbon surface chemistry by combined temperature programmed desorption with in situ X-ray photoelectron spectrometry and temperature programmed desorption with mass spectrometry analysis.
abstract: The analysis of the surface chemistry of carbon materials is of prime importance in numerous applications, but it is still a challenge to identify and quantify the surface functional groups which are present on a given carbon. Temperature programmed desorption with mass spectrometry analysis (TPD-MS) and X-ray photoelectron spectroscopy with an in situ heating device (TPD-XPS) were combined in order to improve the characterization of carbon surface chemistry. TPD-MS analysis allowed the quantitative analysis of the released gases as a function of temperature, while the use of a TPD device inside the XPS setup enabled the determination of the functional groups that remain on the surface at the same temperatures. TPD-MS results were then used to add constraints on the deconvolution of the O1s envelope of the XPS spectra. Furthermore, a better knowledge of the evolution of oxygen functional groups with temperature during a thermal treatment could be obtained. Hence, we show here that the combination of these two methods allows to increase the reliability of the analysis of the surface chemistry of carbon materials.
authors.affiliation: Institut de Science des Matériaux de Mulhouse LRC CNRS 7228, 15, rue Jean Starcky BP 2488, 68057 Mulhouse cedex, France.
authors.forename: Patrice
authors.initials: P
authors.lastname: Brender
authors.forename: Roger
authors.initials: R
authors.lastname: Gadiou
authors.forename: Jean-Christophe
authors.initials: JC
authors.lastname: Rietsch
authors.forename: Philippe
authors.initials: P
authors.lastname: Fioux
authors.forename: Joseph
authors.initials: J
authors.lastname: Dentzer
authors.forename: Arnaud
authors.initials: A
authors.lastname: Ponche
authors.forename: Cathie
authors.initials: C
authors.lastname: Vix-Guterl