淡江大學機構典藏:Item 987654321/105242
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    题名: 合成一維非晶氧化鋅奈米線結構及其多波段光源檢測應用
    其它题名: Intensify the application of ZnO-based nanodevices : gigantic enhance the photo-detection ability of nanosensor by using amorphous ZnO nanowires
    作者: 賴俊言;Lai, Chun-Yen
    贡献者: 淡江大學物理學系碩士班
    葉炳宏;Yeh, Ping-Hung
    关键词: 單晶氧化鋅奈米線;自發性再成長;奈米線;氧空缺;濕氣反應;非晶氧化鋅奈米線;C-ZnO;Spontaneous reaction;nanowire;Oxygen vacancy;Humidity reaction;a-ZnO
    日期: 2015
    上传时间: 2016-01-22 14:51:16 (UTC+8)
    摘要: 本研究利用單晶氧化鋅奈米線在特定濕度環境中所產生的自發性再成長現象製備非晶氧化鋅奈米線。利用電子顯微鏡如SEM、TEM、AFM等對自發性再成長效應進行分析與驗證,研究中發現利用非晶氧化鋅奈米線可以大幅提升紫外光感測能力提高反應、回復時間至20毫秒(單晶氧化鋅光感測元件反應及回復時間約為8.6、53秒),更可以利用此元件進行多波段光檢測(365nm、520nm、590nm、840nm、940nm)。本實驗不僅提供了非晶氧化鋅奈米線自發性再成長機制與方法,更進行了多波段光檢測實驗及感測能力。
    In this work, we have demonstrated amorphous ZnO nanowires (a-ZnO NWs) could be spontaneous grown from crystalline ZnO (c-ZnO) NWs at specific humid environment. The spontaneous reaction mechanism and result can be analyzed by humidity controlling and OM/SEM/TEM system. The a-ZnO NW can be used as a powerful material to enhance the detection ability of photo-sensor; for UV light detection, the response and the reset time can be improved to 20 ms (8.6 s and 53 s, c-ZnO NW photo-detector), the sensitivity also can be enhanced to 600% (9%, c-ZnO NW photo-detector). Furthermore, the broadband light can be detected by using a-ZnO NWs sensor, such as 365nm, 520nm, 590nm, 840nm and 940nm wavelengths light. This work provides the spontaneous growth mechanism and methods of the a-ZnO NWs; the gigantic enhancement of photo-detection ability and broadband light detection can be achieved by using a-ZnO NWs. This a-ZnO NWs fabrication and photo-detection investigation can intensify ZnO-based nanodevices application.
    显示于类别:[物理學系暨研究所] 學位論文

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