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

页码：2312 / 2315

页数：4

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