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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/79563

    Title: 低電壓驅動垂直有機電晶體之研究;Low Voltage driving Vertical Organic Transistors
    Authors: 陳宇翔;Chen, Yu-Xiang
    Contributors: 照明與顯示科技研究所
    Keywords: 垂直有機電晶體;開孔電極結構;高介電係數材料;Vertical organic transistors;High-k
    Date: 2019-01-24
    Issue Date: 2019-04-02 15:02:54 (UTC+8)
    Publisher: 國立中央大學
    Abstract: 本論文應用膠體微影技術製作低驅動電壓的有機垂直電晶體,於研究中使用N型小分子有機半導體材料碳六十(C60),製作出高電流開/關比與足夠驅動有機發光二極體的有機垂直電晶體,且示範於垂直電晶體上堆疊有機發光二極體製作出有機發光電晶體元件的可行性。首先於二氧化矽/矽基板製作上出光的垂直有機發光電晶體;接下來將閘極改為透明導電膜(ITO),使用高介電係數的三氧化二鋁(Al2O3)作為介電層和高功函數的金源極製作垂直電晶體元件;膠體微影技術能夠於開孔金源極上方直接堆疊絕緣的氧化鋁(AlOx),在不影響開電流密度下,進一步為壓抑關電流密度與提高電流開/關比至一個數量級。整體製作出能以閘極電壓5 V驅動,開電流密度接近102 mA/cm2及開孔電流開/關比104的垂直有機電晶體,並以此架構製作下出光式發光電晶體,此研究未來可應用於穿透式雙向出光的有機發光電晶體。;This thesis applies colloidal lithography to fabricate vertical organic transistors with low driving voltage. In the study, N-type small-molecule organic semiconductor material carbon sixty (C60) is used to produce high on/off ratio vertical organic transistors which is sufficient to drive the organic light-emitting diode. And demonstrate a vertical organic light emitting transistor achieved by stacking an organic light emitting diode on top of a vertical organic transistor. First, fabricate a top emitting vertical organic light-emitting transistor formed on the SiO2 / Si substrate. Then change the gate to transparent conductive film, ITO, and deposit a high dielectric constant aluminum oxide (Al2O3) as dielectric layer. The device using patterned gold electrode as the source. The colloidal lithography technology can directly stack insulating aluminum oxide (AlOx) above the patterned gold source, further decreasing the off current density and increasing the on/off ratio to an order of magnitude without affecting the open current density. Overall, fabricated a vertical organic transistor capable of driving at a gate voltage of 5 V, while the on-current density close to 102 mA/cm2 and on/off ratio reaches 104. And using this structure to fabricate a substrate side emitting light-emitting transistor. Promising for a transmissivity bidirectional emitting light-emitting transistor in the future.
    Appears in Collections:[照明與顯示科技研究所 ] 博碩士論文

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