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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/68125

    Title: 可撓性有機單晶場效電晶體電性與撓曲關係研究;Study of the eddect of bending on the electric characteristics of flexible organic single crystal based field-effect transistor
    Authors: 何曼慈;Ho,Man-Tzu
    Contributors: 化學學系
    Keywords: 電晶體;有機單晶
    Date: 2015-07-23
    Issue Date: 2015-09-23 10:46:43 (UTC+8)
    Publisher: 國立中央大學
    Abstract: 有機半導體內的電荷傳遞與分子結構以及分子堆疊之形貌有極大關聯。欲
    進而影響載子傳遞速率。且此晶體在經由彎曲前後,電性呈現可逆之變化。;The charge transport in organic semiconductor highly depends
    on the structure and the packing morphology of the molecules. The study
    of structure/property correlation will be constrained by the morphology
    in the film formation. Single crystals have a perfect and regular
    molecular packing and transistors based on single crystals are suitable
    for the study of intrinsic structure and the charge transport. On the
    other hand, in soft electronics, the devices will be bent repeatedly.
    The effect of bending on the device property is an interesting subject
    to study. In this work, the single crystals of a flexible organic
    molecule TCDAP were used to study the effect of bending on carrier
    transport in the device.
    It is found that bending may cause damages in the electrode
    or the contact between the organic semiconductor and the electrode so
    that the off-current increased upon bending. It is found that a
    double-sided tape between the semiconductor crystal and the substrate
    provided support for the crystal so that repeatable and reproducible
    electric characteristics can be obtained.
    With the new device configuration, it was found that bending
    results in consistent yet opposite trends in mobility depending on the
    bending direction as well as the bending curvature. It is suggested
    that the intermolecular π-π distance changed upon bending, thereby
    influenced the carrier transport ability . The crystal also exhibit
    reversible electric characteristics before and after bending.
    Appears in Collections:[化學研究所] 博碩士論文

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