ReactorSTM : imaging catalysts under realistic conditions

Leiden Repository

ReactorSTM : imaging catalysts under realistic conditions

Type: Doctoral Thesis
Title: ReactorSTM : imaging catalysts under realistic conditions
Author: Herbschleb, Cornelis Thaddeus
Publisher: Faculty of Science, Leiden University
Issue Date: 2011-05-10
Keywords: Catalysis
CO oxidation
Hydrodesulphurization
Langmuir-Hinshelwood
Molybdenum disulphide
NO reduction
Platinum
ReactorSTM
Realistic Conditions
Scanning Tunneling Microscopy
Abstract: This thesis describes the construction of a second generation high-pressure, high-temperature scanning tunneling microscope, the ReactorSTM, with which the surfaces of catalysts can be studied under relevant reaction conditions. Furthermore, the thesis describes three separate catalytic systems at ~ 1 bar, and elevated temperatures. Firstly, NO reduction on Pt(100), in which a mathematical model for the reaction mechanism, following Langmuir-Hinshelwood kinetics, is proposed. Secondly, CO oxidation, in which the Pt(110) surface is atomically resolved at high p, T. Thirdly, the thesis describes a successful pilot experiment about the hydrodesulphurization of thiophene, which is catalytically activated by molybdenum disulphide nano-crystallites on an Au(111) support.
Description: Promotor: J.W.M. Frenken
With summary in Dutch
Faculty: Faculteit der Wiskunde en Natuurwetenschappen
Citation: Herbschleb, C.T., 2011, Doctoral thesis, Leiden University
Series/Report no.: Casimir PhD series
2011-8
ISBN: 9789085930983
Sponsor: NanoNed (www.nanoned.nl) NIMIC (www.realnano.nl)
Handle: http://hdl.handle.net/1887/17620
 

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