Synthesis and Structure of Self-Assembled Pd2Au23(PPh3)10Br7 Nanocluster: Exploiting Factors That Promote Assembly of Icosahedral Nano-Building-Blocks

被引：40

作者：

Kang, Xi

Xiang, Ji

Lv, Ying

Du, Wenjun

Yu, Haizhu ^{[1
]}

Wang, Shuxin ^{[1
]}

Zhu, Manzhou ^{[1
]}

机构：

[1] Anhui Univ, Dept Chem, Hefei 230601, Anhui, Peoples R China

来源：

CHEMISTRY OF MATERIALS | 2017年 / 29卷 / 16期

关键词：

STAGGERED METAL CONFIGURATION; AU-25; NANOCLUSTERS; GOLD CLUSTERS; SILVER NANOCLUSTERS; ATOMICALLY PRECISE; BRIDGING LIGANDS; PROTECTED GOLD; NANOPARTICLES; GROWTH; ALLOY;

D O I：

10.1021/acs.chemmater.7b02015

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The essential force of self-assembly in the nanocluster range is not intrinsically understood to date. In this work, the synergistic effect between metals was exploited to render the self-assembly from the icosahedral M-13 (M = Pd, Au) nano-building-blocks. Single-crystal X-ray diffraction analysis revealed that the two Pd1Au12 icosahedrons were linked by five halogen linkages, and the assembled structure was determined to be Pd2Au23(PPh3)(10)Br-7. The finding of Au-halogen linkages in the rod-like M-25 nanoclusters has not been previously reported. Furthermore, the calculations on Hirshfeld charge analysis were performed, which implied that the reduced electronic repulsion (induced by the synergistic effect of Pd and Au metals) between two icosahedral units promoted the assembly. This study sheds light on the deep understanding of the essential force of self-assembly from icosahedral nano-building-blocks.

引用

页码：6856 / 6862

页数：7