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首页> 外文期刊>Japanese Journal of Applied Physics. Part 2, Letters & Express Letters >Electrical Properties of Reactive Liquid Crystal Semiconductors
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Electrical Properties of Reactive Liquid Crystal Semiconductors

机译：反应性液晶半导体的电学性质

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摘要

Fabrication of display products by low cost printing technologies such as ink jet, gravure offset lithography and flexography requires solution processable semiconductors for the backplane electronics. The products will typically be of lower performance than polysilicon transistors, but comparable to amorphous silicon. A range of prototypes are under development, including Tollable electrophoretic displays, active matrix liquid crystal displays (AMLCD's), and flexible organic light-emitting diode (OLED) displays. Organic semiconductors that offer both electrical performance and stability with respect to storage and operation under ambient conditions are required. This work describes the initial evaluation of reactive mesogen semiconductors, which can polymerise within mesophase temperatures, "freezing in" the order in crosslinked domains. These crosslinked domains offer mechanical stability and are inert to solvent exposure in further processing steps. Reactive mesogens containing conjugated aromatic cores, designed to facilitate charge transport and provide good oxidative stability, were prepared and their liquid crystalline properties evaluated. Both time-of-flight and field effect transistor devices were prepared and their electrical characterisation reported.
机译：通过低成本印刷技术（例如喷墨，凹版胶印光刻和柔版印刷）制造显示产品需要用于背板电子设备的可溶液加工的半导体。该产品的性能通常会比多晶硅晶体管低，但与非晶硅相当。一系列原型正在开发中，包括可充电的电泳显示器，有源矩阵液晶显示器（AMLCD）和柔性有机发光二极管（OLED）显示器。需要在环境条件下在存储和操作方面提供电性能和稳定性的有机半导体。这项工作描述了反应性液晶元半导体的初步评估，该半导体可以在中间相温度下聚合，并在交联域中依次“冻结”。这些交联的区域提供机械稳定性，并且在进一步的处理步骤中对溶剂暴露呈惰性。制备了包含共轭芳族核的反应型液晶元，旨在促进电荷传输并提供良好的氧化稳定性，并评估了其液晶性能。准备了飞行时间和场效应晶体管器件，并报告了其电气特性。

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