Optoelectronic Properties of Thermally Evaporated ZnO Films with Nanowalls on Glass Substrates

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概要

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• Zinc oxide (ZnO) films with two-dimensional (2D) vertically aligned nanowalls, denoted by nanowalls-films, are successfully prepared on glass substrates at a low growth temperature of 450 °C without using metal catalysts. The morphology and optical properties of the nanowalls-film are characterized by scanning electron microscopy, X-ray diffraction analysis, transmission electron microscopy, energy dispersive X-ray spectroscopy, and photoluminescence measurement. The ZnO nanowalls-film show a strong UV emission and a preferred c-axis orientation with a hexagonal structure. The UV sensor measurement of the ZnO nanowalls-film shows a high sensitivity to UV light, rapid rise and decay times, and a good UV-to-visible rejection ratio.

• 2013-04-25

著者

• Hung Fei-yi

  Department Of Material Science And Engineering National Cheng Kung University

• Chang Shoou-jinn

  Institute Of Electro-optical Science And Engineering Center For Micro/nano Science And Technology Na

• Chen Tse-pu

  Institute Of Microelectronics National Cheng Kung University

• Hu Zhan-shuo

  Institute Of Electro-optical Science And Engineering Center For Micro/nano Science And Technology Na

• CHANG Sheng-Po

  Institute of Microelectronics & Department of Electrical Engineering National Cheng Kung University

• Hu Zhan-Shuo

  Institute of Microelectronics, Center for Micro/Nano Science and Technology, National Cheng Kung University, Tainan 701, Taiwan

• Chen Kuan-Jen

  The Instrument Center, National Cheng Kung University, Tainan 701, Taiwan

• Chen Tse-Pu

  Institute of Microelectronics and Department of Electrical Engineering, Center for Micro/Nano Science and Technology, Advanced Optoelectronic Technology Center, National Cheng Kung University, Tainan 701, Taiwan

• Hung Fei-Yi

  Department of Materials Science and Engineering, Institute of Nanotechnology and Microsystems Engineering, Center for Micro/Nano Science and Engineering, National Cheng Kung University, Tainan 701, Taiwan

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