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学科主题: Materials Science ; Multidisciplinary
题名:
optical and electrical properties of aluminum-doped zinc oxide nanoparticles
作者: Zhang Yulong ; Yang Ye ; Zhao Junhua ; Tan Ruiqin ; Wang Weiyan ; Cui Ping ; Song Weijie
关键词: Annealing ; Diffraction ; Doping (additives) ; Electric properties ; Electromagnetic induction ; Inductively coupled plasma ; Nanoparticles ; Nanostructured materials ; Sol ; gel process ; Surface active agents ; Ultraviolet spectroscopy ; Vacuum ; X ray diffraction ; X ray photoelectron spectroscopy ; X ray spectroscopy ; X rays ; Zinc ; Zinc oxide ; Zinc sulfide
刊名: JOURNAL OF MATERIALS SCIENCE
发表日期: 2011
卷: 46, 期:3, 页:774-780
部门归属: Zhang, Yulong; Yang, Ye; Zhao, Junhua; Wang, Weiyan; Cui, Ping; Song, Weijie Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China. Tan, Ruiqin Ningbo Univ, Sch Informat Sci & Engn, Ningbo 315211, Zhejiang, Peoples R China.
英文摘要: Aluminum-doped zinc oxide nanopowders were prepared using a surfactant assisted complex sol-gel method, and were characterized using inductively coupled plasma, X-ray diffraction, scanning electron microscopy/energy dispersive X-ray spectroscopy, X-ray photoelectron spectroscopy, and UV-Vis spectroscopy. Al was effectively doped into the ZnO matrix with concentrations up to 6.00 atomic ratio percents (at.%). X-ray diffraction results revealed that all of the nanoparticles had a pure hexagonal wurtzite structure free of any impurities when annealing temperature was below 1273 K. The optical band gap of the nanopowders, which was affected by the Al-doping concentration, reached a maximum of 3.43 eV when ZnO was doped with 4.00 at.% Al. The effect of post-annealing temperature and vacuum conditions on the resistivities of the Al-doped ZnO nanoparticles was also investigated. And the lowest volume resistivity (1.2 Omega cm) was achieved by annealing the Al-doped ZnO nanoparticles in a vacuum at 1173 K for 2 h.
内容类型: 期刊论文
URI标识: http://ir.iscas.ac.cn/handle/311060/14015
Appears in Collections:互联网软件技术实验室 _期刊论文

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Recommended Citation:
Zhang Yulong,Yang Ye,Zhao Junhua,et al. optical and electrical properties of aluminum-doped zinc oxide nanoparticles[J]. JOURNAL OF MATERIALS SCIENCE,2011-01-01,46(3):774-780.
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