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Journal of Nanomaterials
Volume 2010, Article ID 271051, 6 pages
Research Article

Synthesis of GaN Nanorods by a Solid-State Reaction

1College of Chemistry and Pharmcy Engineering, Nanyang Normal Uinversity, Henan 473061, China
2Hefei National Laboratory for Physical Science at Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China

Received 28 November 2009; Accepted 17 March 2010

Academic Editor: Renzhi Ma

Copyright © 2010 Keyan Bao et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


An atom-economical and eco-friendly chemical synthetic route was developed to synthesize wurtzite GaN nanorods by the reaction of Na N H 2 and the as-synthesized orthorhombic GaOOH nanorods in a stainless steel autoclave at 6 0 0 C . The lengths of the GaN nanorods are in the range of 400–600 nm and the diameters are about 80–150 nm. The process of orthorhombic GaOOH nanorods transformation into wurtzite GaN nanorods was investigated by powder X-ray diffraction (XRD) and field emission scanning electron microscope (FESEM), indicating that the GaN product retained essentially the same basic topological morphology in contrast to that of the GaOOH precursor. It was found that rhombohedral G a 2 O 3 was the intermediate between the starting orthorhombic GaOOH precursor and the final wurtzite GaN product. The photoluminescence measurements reveal that the as-prepared wurtzite GaN nanorods showed strong blue emission.