Unexpected structural transformation into noria-like Ag13 metal clusters and a copper-doping induced boost in photoluminescence†
Su-Kao
Peng, 
‡a
Zhou
Lu,
‡§a
Mo
Xie,
a
Yong-Liang
Huang,
a
Dong
Luo,
a
Xiao-Wei
Zhu,
a
Xue
Li,
b
Xiao-Ping
Zhou
*a
and
Dan
Li
*a
‡a
Zhou
Lu,
‡§a
Mo
Xie,
a
Yong-Liang
Huang,
a
Dong
Luo,
a
Xiao-Wei
Zhu,
a
Xue
Li,
b
Xiao-Ping
Zhou
*a
and
Dan
Li
*a
Abstract
Polynuclear silver clusters are described that unexpectedly transform from cyclic trinuclear complexes (CTCs) upon reacting with σ-donating phenylacetylene, featuring a noria-like conformation. The introduction of foreign copper ions leads to isomorphic bimetallic Ag/Cu clusters, with a boost in the photoluminescence quantum yield relative to the original silver clusters.
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