A new binding motif of sterically demanding thiolates on a gold cluster.
A gold cluster, Au(41)(S-Eind)(12), was synthesized by ligating the bulky arenethiol 1,1,3,3,5,5,7,7-octaethyl-s-hydrindacene-4-thiol (Eind-SH) to preformed Au clusters. Extended X-ray absorption fine structure, X-ray photoelectron spectroscopy, and the fragmentation pattern in the mass spectrometry analysis indicated that formation of gold-thiolate oligomers at the interface was suppressed, in sharp contrast to conventional thiolate-protected Au clusters.
Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
Jun-ichi
J
Nishigaki
Risako
R
Tsunoyama
Hironori
H
Tsunoyama
Nobuyuki
N
Ichikuni
Seiji
S
Yamazoe
Yuichi
Y
Negishi
Mikinao
M
Ito
Tsukasa
T
Matsuo
Kohei
K
Tamao
Tatsuya
T
Tsukuda