The Characterisation of Supported Platinum Nanoparticles on Carbon Used for Enantioselective Hydrogenation: A Combined Electrochemical-STM Approach

The action of chiral modifiers like cinchonine and cinchonidine in facilitating enationselectivity in heterogeneous catalysis is investigated using a combination of electrochemical and scanning probe methods. The surface chirality of corner kink sites is suggested as being crucial for chirality reco...

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Bibliographic Details
Published in:Chemphyschem 2003-02, Vol.4 (2), p.123-130
Main Authors: Attard, Gary A., Ahmadi, Ahmad, Jenkins, David J., Hazzazi, Omar A., Wells, Peter B., Griffin, Ken G., Johnston, Peter, Gillies, Jennifer E.
Format: Article
Language:English
Subjects:
catalysis
cyclic voltammetry
electrochemistry
enantioselectivity
nanoparticles
scanning probe microscopy
surface chirality
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Summary:The action of chiral modifiers like cinchonine and cinchonidine in facilitating enationselectivity in heterogeneous catalysis is investigated using a combination of electrochemical and scanning probe methods. The surface chirality of corner kink sites is suggested as being crucial for chirality recognition at supported catalyst nanoparticles. Other aspects of chirality in relation to one, two, three and four dimensions are also discussed. Mass production of chiral materials lies at the heart of new developments in surface catalysis and electrocatalysis. The action of surface‐adsorbed chiral modifiers, such as the alkaloids cinchonine and cinchonidine, in facilitating enantioselectivity in heterogeneous catalysis (see graphic) is investigated using a combination of electrochemical and scanning probe methods. The surface chirality of corner kink sites is suggested as being crucial for chirality recognition at supported catalyst nanoparticles.
ISSN:1439-4235
1439-7641
DOI:10.1002/cphc.200390021