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Fabrication of Densely Packed AlN Nanowires by a Chemical Conversion of Al2O3 Nanowires Based on Porous Anodic Alumina Film |
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| Authors: | Zhi-Hao Yuan Shao-Qing Sun Yue-Qin Duan Da-Jian Wang |
| Affiliation: | (1) Nanomaterials & Nanotechnology Research Center, Tianjin University of Technology, 300384 Tianjin, China;(2) Institute of Materials Physics, Tianjin University of Technology, 300384 Tianjin, China;(3) Tianjin Key Lab for Photoelectric Materials & Devices, 300384 Tianjin, China;(4) Key Laboratory of Display Materials & Photoelectronic Devices, Tianjin University of Technology, Ministry of Education, 300384 Tianjin, China |
| Abstract: | Porous alumina film on aluminum with gel-like pore wall was prepared by a two-step anodization of aluminum, and the corresponding gel-like porous film was etched in diluted NaOH solution to produce alumina nanowires in the form of densely packed alignment. The resultant alumina nanowires were reacted with NH3 and evaporated aluminum at an elevated temperature to be converted into densely packed aluminum nitride (AlN) nanowires. The AlN nanowires have a diameter of 15–20 nm larger than that of the alumina nanowires due to the supplement of the additional evaporated aluminum. The results suggest that it might be possible to prepare other aluminum compound nanowires through similar process. |
| Keywords: | Aluminum nitride Alumina Nanowire Chemical converting Porous film |
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