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今天几乎所有重要的半导体器件的工作原理都与异质结和肖特基结有关,比较完整地理解和运用异质结和肖特基结是通过了长达半个世纪的持续努力.近20年有机异质结构已经被广泛的应用到有机电子器件中,包括有机发光二极管、有机光伏电池和有机场效应晶体管.然而,目前却缺少对有机异质结效应的认识.因此,完整认识有机异质结并运用它来发展有机半导体材料与器件是我们面临的机遇和挑战.本文首先阐述了我们对结晶性有机半导体异质结效应的理解,然后给出了有机异质结在半导体器件中的应用,重点介绍了我们近年来在运用有机异质结发展高功能电子器件方面的探索工作和初步认识.有机异质结在高性能场效应晶体管、改善金属有机接触和叠层器件中连接单元等方面均有所应用.有机异质结具有丰富的类型,充分利用有机异质结的特征,将为发展适合有机半导体材料、新功能器件和高级功能器件提供了新的视角和途径.
Today, almost all important semiconductor devices work with heterojunctions and Schottky junctions. Having a complete understanding and use of heterojunctions and Schottky junctions has been a sustained effort of up to half a century. Nearly 20 Organic Heterostructure has been widely used in organic electronic devices, including organic light-emitting diodes, organic photovoltaic cells and organic field effect transistors.However, the current lack of understanding of the effect of organic heterojunction.Therefore, a complete understanding of the organic differences It is our chance and challenge to develop the organic semiconductors and devices using it.First, this paper expounds our understanding of the heterojunction effect of crystalline organic semiconductors, and then gives the research results of the organic heterojunction in semiconductor devices Applications, focusing on our recent exploration of the use of organic heterojunctions in the development of high-performance electronic devices to explore and preliminary understanding of organic heterojunction in high-performance field-effect transistors, metal-organic contact and improve the laminated device connection unit Have been applied.Organic heterojunction has a rich type, make full use of the characteristics of organic heterojunction, will be suitable for the development of a Semiconductor semiconductor materials, new features and advanced features of the device provides a new perspective and approach.