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Thermodynamics and Kinetics of Adsorption

Thermodynamics and Kinetics of Adsorption subtitle: What can we learn about Adsorption systems from thermodynamic and kinetic measurements? IMPRS-Lecture Series 2012: Experimental and Theoretical Methods in Surface Science'. Klaus Christmann Institut f r Chemie und Biochemie, Freie Universit t Berlin Organization 1. Introduction; terms and definitions 2. Thermodynamics of Adsorption Adsorption as a macroscopic (thermodynamic) phenomenon Equilibrium Thermodynamics and Adsorption isotherms: Langmuir and BET isotherm The Adsorption energy: Initial Adsorption energy and a-priori heterogeneity Coverage dependence of the Adsorption energy: lateral interactions and a-posteriori heterogeneity 3. Kinetics of Adsorption and desorption The rate of Adsorption ; trapping and sticking The rate of desorption; order of desorption and frequency factor The desorption energy: Binding states and lateral interactions Experimental procedure and evaluation of TD spectra 4.

heterogeneous catalysis, they have the advantage to provide access to the physics and chemistry of the elementary steps of a catalytic reaction (“model systems”). The scientific field of classical Surface Science - introduced among others, by Gerhard Ertl - can be most successfully applied.

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