Formation of YF3 nanocrystals and their self-assembly into hollow peanut-like structures

被引：60

作者：

Wang, Miao

Huang, Qing-Li

Zhong, Hao-Xiang

Chen, Xue-Tai ^{[1
]}

Xue, Zi-Ling

You, Xiao-Zeng

机构：

[1] Nanjing Univ, Sch Chem & Chem Engn, State Key Lab Coordinat Chem, Inst Coordinat Chem, Nanjing 210093, Peoples R China

[2] Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Peoples R China

[3] Univ Tennessee, Dept Chem, Knoxville, TN 37996 USA

来源：

CRYSTAL GROWTH & DESIGN | 2007年 / 7卷 / 10期

关键词：

D O I：

10.1021/cg070397j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A simple hydrothermal route has been used to prepare hollow peanut-like structures of orthorhombic YF3 by using a suitable tetrafluroborate complex as the fluoride source. The as-synthesized products were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), and X-ray photoelectron spectroscopy (XPS). Four tetrafluroborate complexes-NaBF4, NH4BF4, KBF4, and HBF4-were examined in this synthetic procedure. YF3 nanocrystals formed from NaBF4, NH4BF4, or KBF4 were found to self-assemble into hollow peanut-like structures. Time-dependent studies of the reactions have been conducted to reveal the morphological evolution, and the possible mechanistic pathways in the formation of the hollow structures are proposed.

引用

页码：2106 / 2111

页数：6

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