X-RAY PHOTOELECTRON SPECTROSCOPIC INVESTIGATION OF METALLIZED (PT, PD, RH AND RU) TITANIA SYSTEMS

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VISWANATHAN, B
MARY, UD
VISWANATH, RP
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T [工业技术];
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08 ;
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Detailed X-ray photoelectron spectroscopic study of noble metal supported titania systems after pretreatments in oxygen or hydrogen atmospheres showed considerable variations in the surface metal concentrations. The observed variations are rationalised in terms of thermodynamic parameters like surface free energy or standard heat quantities like heat of formation, heat of vaporisation or sublimation.
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页码:335 / 340
页数:6
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