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Acta Phys. -Chim. Sin.  2005, Vol. 21 Issue (06): 668-672    DOI: 10.3866/PKU.WHXB20050618
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Synthesis and Characterization of ZnO Nanomaterials with Different Morphologies in Ionic Liquids
CAO Jie-ming; WANG Jun; FANG Bao-qing; ZHENG Ming-bo; LU Hong-xia; CHANG Xin; WANG Hai-yan
Nanomaterials Research Institute, College of Material Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016
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Abstract  ZnO nano/microstructures of different morphologies have been synthesized by using Zn(OH)42- and different ionic liquids with the aid of microwave irradiation. The as-prepared samples are characterized by X-ray diffraction (XRD), scanning electron microcopy (SEM), transmission electron microscopy (TEM), and photoluminescence(PL). The XRD pattern shows that the asprepared samples have hexagonal structures, SEM and TEM images demonstrate that sheet and rod aggregates of ZnO are formed. SAED(selected area electron diffraction) images of rods indicate the single crystal nature, and the PL spectrum of ZnO nanosheet aggregates exhibits a weak ultraviolet emission and a strong green emission at room temperature.

Key words： Ionic liquids      ZnO      Nanomaterials      Microwave heating     
Received: 14 October 2004      Published: 15 June 2005
Corresponding Authors: CAO Jie-ming     E-mail: jmcao@nuaa.edu.cn
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CAO Jie-ming; WANG Jun; FANG Bao-qing; ZHENG Ming-bo; LU Hong-xia; CHANG Xin; WANG Hai-yan. Synthesis and Characterization of ZnO Nanomaterials with Different Morphologies in Ionic Liquids. Acta Phys. -Chim. Sin., 2005, 21(06): 668-672.

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http://www.whxb.pku.edu.cn/10.3866/PKU.WHXB20050618     OR     http://www.whxb.pku.edu.cn/Y2005/V21/I06/668

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