Facile Synthesis and Formation Mechanism of Metal Chalcogenides Hollow Nanoparticles

被引：16

作者：

Chen, Guoxin ^{[1
]}

Niu, Mutong ^{[1
]}

Cui, Lifeng ^{[1
]}

Bao, Feng ^{[1
]}

Zhou, Lihua ^{[1
]}

Wang, Yuansheng ^{[1
]}

机构：

[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Grad Sch, Fuzhou 350002, Fujian, Peoples R China

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2009年 / 113卷 / 18期

关键词：

SPHERES; NANOCRYSTALS; CUBOCTAHEDRONS; NANOSPHERES; KIRKENDALL; SHELLS;

D O I：

10.1021/jp9012834

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：

A facile route to synthesize Cu(7)S(4) hollow hexagonal-like nanoparticles using Cu(2)O nanocubes as sacrificial templates at room temperature was developed. According to the transmission electron microscopy and field emission scanning electron microscopy observations, a formation mechanism of the Cu(7)S(4) hollow structure based on the Kirkendall effect between the Cu(7)S(4) shell and Cu(2)O core at nanoscale was proposed. Interestingly, no conventional mass transport bridges between shell and core were observed, implying that a novel solution-mediated mass transportation dominates the Kirkendall process. The Cu(2)Se mesoboxs, with cubic morphology of the Cu(2)O templates preserved, were also fabricated by a similar route, which suggests that such synthesizing method might be readily extended to fabricate hollow structures of other metal chalcogenides.

引用

页码：7522 / 7525

页数：4

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