Mechanochemical synthesis and characterization of GaN nanocrystals

被引：6

作者：

Cai, S

Tsuzuki, T

Fisher, TA

Nener, BD

Dell, JM

McCormick, PG

机构：

[1] Univ Western Australia, Dept Elect & Elect Engn, Crawley, WA 6009, Australia

[2] Univ Western Australia, Res Ctr Adv Mineral & Mat Proc, Nedlands, WA 6009, Australia

来源：

JOURNAL OF NANOPARTICLE RESEARCH | 2002年 / 4卷 / 04期

基金：

澳大利亚研究理事会;

关键词：

nanocrystal; GaN; mechanochemical processing; synthesis; characterization; efficient process;

D O I：

10.1023/A:1021174413020

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A solid-state displacement reaction of Ga2O3 with Mg3N2 has been used to synthesize GaN nanocrystals by mechanochemical processing. X-ray diffraction, transmission electron microscopy (TEM) and selected area electron diffraction (SAED) measurements indicated that the nanocrystals had a hexagonal structure and sizes ranging from 4 to 20 nm. Optical absorption and transmission measurement showed the bandgap of the nanocrystals was consistent with that of bulk GaN samples (3.43 eV). This study demonstrates that mechanochemical processing has significant potential for the synthesis of GaN nanocrystals in a simple and efficient way.

引用

页码：367 / 371

页数：5

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