We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Mild-temperature synthesis and first-principle fluorescence simulation of GaN nanoparticles.
- Authors
Zhuang, Nai-Feng; Wang, Xing; Fei, Fei; Liu, Chun-Chen; Wei, Lin; Zhang, Yong-Fan; Hu, Xiao-Lin; Chen, Jian-Zhong
- Abstract
In this paper, GaN nanoparticles were synthesized from the complex Ga(HNCONH)Cl in the flow of NH at a mild temperature (350 °C). Further purification was performed by the ethanol-thermal method. The ethanol-thermal method also prompted the GaN nanoparticles to grow into an anisotropic morphology. XRD patterns reveal that GaN nanoparticles have crystallized in a hexagonal wurtzite structure. TEM observation shows that the average size of the as-prepared nanoparticles is about 5-10 nm. The photoluminescence spectrum exhibits a broad green emission band with a peak at 510 nm. It can be known from the first-principle theoretic simulation by the TDDFT method that this fluorescence emission band is attributed to the hydride defects of V-H on the surface of GaN nanoparticles.
- Subjects
GALLIUM nitride; FLUORESCENCE spectroscopy; NANOPARTICLE synthesis; X-ray diffraction; SIMULATION methods &; models; HYDRIDES; TEMPERATURE measurements
- Publication
Journal of Nanoparticle Research, 2013, Vol 15, Issue 3, p1
- ISSN
1388-0764
- Publication type
Article
- DOI
10.1007/s11051-013-1458-z