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Alkyne‐Stabilized Ruthenium Nanoparticles: Manipulation of Intraparticle Charge Delocalization by Nanoparticle Charge States
Author(s) -
Kang Xiongwu,
Zuckerman Nathaniel B.,
Konopelski Joseph P.,
Chen Shaowei
Publication year - 2010
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.201004967
Subject(s) - ruthenium , nanoparticle , delocalized electron , charge (physics) , alkyne , electron , materials science , nanotechnology , chemistry , photochemistry , chemical physics , physics , catalysis , organic chemistry , nuclear physics , particle physics
Particles in charge : Ruthenium nanoparticles passivated by RuC interfacial bonding interactions exhibit apparent intraparticle charge delocalization, which can be manipulated by the nanoparticle charge state. Control of the back‐bonding occurs by interactions between ruthenium core electrons and sp‐hybridized carbon atoms of the alkynyl ligands (see picture: C sp 1s binding energy (BE): •••• reduced, ‐ ‐ ‐ ‐ oxidized form, — as‐prepared nanoparticles).