Synthesis of highly luminescent GaSe nanoparticles

被引:68
作者
Chikan, V [1 ]
Kelley, DF [1 ]
机构
[1] Kansas State Univ, Dept Chem, Manhattan, KS 66506 USA
关键词
D O I
10.1021/nl015641m
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The synthesis, characterization, and purification of GaSe nanoparticles are described in this paper. TEM images show that this synthesis produces GaSe nanoparticles in the size range of 2-6 nm. These particles may be size segregated by column chromatography or size selective precipitation, and relatively monodisperse nanoparticles are obtained. Electron diffraction results indicate that these particles have a two-dimensional single tetralayer type structure. The particles have absorption onsets in the 360 to 450 nm region, with the smallest particles absorbing furthest to the blue. The particles are emissive, with emission quantum yields of about 10%.
引用
收藏
页码:141 / 145
页数:5
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