Quantum confined gallium nitride in a mesoporous matrix of MCM-41

被引：0
|
作者：
Winkler, H. [1 ]
Fischer, R.A. [1 ]
Schmechel, R. [1 ]
von Seggern, H. [1 ]
机构：
[1] Univ of Bochum, Bochum, Germany
来源：
Materials Research Society Symposium - Proceedings | 2000年 / 581卷
关键词：
Amines - Energy gap - Impregnation - Nanostructured materials - Nuclear magnetic resonance spectroscopy - Photoluminescence - Porous materials - Quantum efficiency - Solutions - Synthesis (chemical) - Transmission electron microscopy - X ray diffraction analysis;
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摘要：
We report the synthesis of a nanocomposite materials consisting of gallium nitride (GaN) confined in the well ordered mesoporous transparent matrix MCM-41 with the help of the metalorganic single source precursor triazido(trimethylamine)gallium using solution impregnation technique. The loading of the pores of MCM-41 with GaN was confirmed by chemical analysis, XRD, TEM, BET, NMR and optical spectroscopy (PL and PL-excitation spectroscopy). The composites exhibit a blue shift of the bandgap of GaN due to quantum confinement.
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页码：417 / 422
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