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Activation of Thiols at a Silver Nanoparticle Surface
Author(s) -
Gan Wei,
Xu Bolei,
Dai HaiLung
Publication year - 2011
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201101430
Reactions of thiols that are used to modify nanoparticle (NP) properties at the surface of noble‐metal NPs involve an activation process. By detecting second harmonic generation from the Ag NP surface, the activation energy E a for the adsorption of 1,2‐benzenedithiol onto silver nanoparticles in colloids was determined to be 8.4 kcal mol −1 (see picture), which may arise from the transition state (T.S.) in the bonding reaction.