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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/74836

    Title: Gigantic enhancement in response and reset time of ZnO UV nanosensor by utilizing Schottky contact and surface functionalization
    Authors: Zhou, Jun;Gu, Yudong;Hu, Youfan;Mai, Wenjie;Yeh, Ping-hung;Bao, Gang;Sood, Ashok K.;Polla, Dennis L.;Wan, Zhong-lin
    Contributors: 淡江大學物理學系
    Date: 2009-05-11
    Issue Date: 2012-02-09 14:19:58 (UTC+8)
    Publisher: College Park: American Institute of Physics
    Abstract: UV response of ZnO nanowire nanosensor has been studied under ambient condition. By utilizing Schottky contact instead of Ohmic contact in device fabrication, the UV sensitivity of the nanosensor has been improved by four orders of magnitude, and the reset time has been drastically reduced from ∼417 to ∼0.8 s. By further surface functionalization with function polymers, the reset time has been reduced to ∼20 ms even without correcting the electronic response of the measurement system. These results demonstrate an effective approach for building high response and fast reset UV detectors.
    Relation: Applied Physics Letters 94(19), pp.191103(3 pages)
    DOI: 10.1063/1.3133358
    Appears in Collections:[Graduate Institute & Department of Physics] Journal Article

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