Quantum-confined GaN nanoparticles synthesized via liquid-ammonia-in-oil-microemulsions

被引:13
|
作者
Gyger, Fabian [1 ]
Bockstaller, Pascal [2 ]
Groeger, Henriette [1 ]
Gerthsen, Dagmar [2 ]
Feldmann, Claus [1 ]
机构
[1] Karlsruhe Inst Technol, Inst Anorgan Chem, D-76131 Karlsruhe, Germany
[2] Karlsruhe Inst Technol, Lab Elektronenmikroskopie, D-76131 Karlsruhe, Germany
关键词
GALLIUM NITRIDE; METATHESIS ROUTE; DOTS; CHEMISTRY;
D O I
10.1039/c4cc00180j
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
GaN nanoparticles, 3-4 nm in size, are synthesized in a microemulsion using liquid ammonia as the polar droplet phase. Surprisingly, GaN is readily crystalline although prepared at -40 degrees C. The nanoparticles show a band gap of 4.4 eV as well as light emission with its maximum at 336 nm. Both confirm the expected quantum-confinement effect.
引用
收藏
页码:2939 / 2942
页数:4
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