Ionic-liquid-based synthesis of GaN nanoparticles

被引：15
|
作者：
Gaiser, Hannah F. F. [1 ]
Popescu, Radian [2 ]
Gerthsen, Dagmar [2 ]
Feldmann, Claus [1 ]
机构：
[1] KIT, Inst Anorgan Chem, Engesserstr 15, D-76131 Karlsruhe, Germany
[2] KIT, Lab Elektronenmikroskopie, Engesserstr 7, D-76131 Karlsruhe, Germany
来源：
CHEMICAL COMMUNICATIONS | 2020年 / 56卷 / 15期
关键词：
LIGHT-EMITTING-DIODES; QUANTUM; PHOTOLUMINESCENCE; EFFICIENCY; HYDROGEN; GALLIUM; EPITAXY; ROUTE;
D O I：
10.1039/c9cc09133e
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
GaN nanoparticles, 3-8 nm in diameter, are prepared by a microwave-assisted reaction of GaCl3 and KNH2 in ionic liquids. Instantaneously after the liquid-phase synthesis, the beta-GaN nanoparticles are single-crystalline. The band gap is blue-shifted by 0.6 eV in comparison to bulk-GaN indicating quantum confinement effects. The GaN nanoparticles show intense green emission with a quantum yield of 55 +/- 3%.
引用
收藏
页码：2312 / 2315
页数：4
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