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Controllable synthesis of AlN nanostructures and their photoluminescence
Shen, Longhai; Lv, Wei; Wang, Nan; Wu, Lijun; Qi, Dongli; Ma, Yuantai; Lei, Weiwei; Shen, LH (reprint author), Shenyang Ligong Univ, Sch Sci, Shenyang 110159, Liaoning, Peoples R China.; Lei, WW (reprint author), Deakin Univ, Inst Frontier Mat, Locked Bag 2000, Geelong, Vic 3220, Australia.
2017-10-21
发表期刊ROYAL SOC CHEMISTRY
ISSN1466-8033
卷号19期号:39页码:5940-5945
摘要AlN nanostructures with controllable morphologies are synthesized on a Si substrate with an Al particle layer as a self-catalyst via a chemical vapor deposition (CVD) technique under atmospheric pressure. The effects of temperature, NH3 flow and the gas entrance procedure on the morphologies are investigated. Especially, among these nanostructures, the AlN nanowhiskers exhibit a high aspect ratio, which is about one order of magnitude larger than that of other AlN nanostructures. A mechanism for controlled morphology is proposed based on the self-catalyzed nucleation and the diffusion process of Al adatoms on the surface under different reaction conditions (either Al-rich or N-rich). Moreover, the AlN nanostructures exhibit intense photoluminescence and this can be tuned through the size and morphology of the nanostructures.; AlN nanostructures with controllable morphologies are synthesized on a Si substrate with an Al particle layer as a self-catalyst via a chemical vapor deposition (CVD) technique under atmospheric pressure. The effects of temperature, NH3 flow and the gas entrance procedure on the morphologies are investigated. Especially, among these nanostructures, the AlN nanowhiskers exhibit a high aspect ratio, which is about one order of magnitude larger than that of other AlN nanostructures. A mechanism for controlled morphology is proposed based on the self-catalyzed nucleation and the diffusion process of Al adatoms on the surface under different reaction conditions (either Al-rich or N-rich). Moreover, the AlN nanostructures exhibit intense photoluminescence and this can be tuned through the size and morphology of the nanostructures.
部门归属[shen, longhai ; lv, wei ; wang, nan ; wu, lijun ; qi, dongli] shenyang ligong univ, sch sci, shenyang 110159, liaoning, peoples r china ; [ma, yuantai] chinese acad sci, inst met res, shenyang 110016, liaoning, peoples r china ; [lei, weiwei] deakin univ, inst frontier mat, locked bag 2000, geelong, vic 3220, australia
学科领域Chemistry, Multidisciplinary ; Crystallography
资助者Scientific Research Foundation of the Technological Bureau of Shenyan and Liaoning [F16-205-1-16, 201602647]; Opening Foundation Key Laboratory of Laser and Optical Technology of Liaoning Province [5H1004]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79037
专题中国科学院金属研究所
通讯作者Shen, LH (reprint author), Shenyang Ligong Univ, Sch Sci, Shenyang 110159, Liaoning, Peoples R China.; Lei, WW (reprint author), Deakin Univ, Inst Frontier Mat, Locked Bag 2000, Geelong, Vic 3220, Australia.
推荐引用方式
GB/T 7714
Shen, Longhai,Lv, Wei,Wang, Nan,et al. Controllable synthesis of AlN nanostructures and their photoluminescence[J]. ROYAL SOC CHEMISTRY,2017,19(39):5940-5945.
APA Shen, Longhai.,Lv, Wei.,Wang, Nan.,Wu, Lijun.,Qi, Dongli.,...&Lei, WW .(2017).Controllable synthesis of AlN nanostructures and their photoluminescence.ROYAL SOC CHEMISTRY,19(39),5940-5945.
MLA Shen, Longhai,et al."Controllable synthesis of AlN nanostructures and their photoluminescence".ROYAL SOC CHEMISTRY 19.39(2017):5940-5945.
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