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首页> 外文期刊>Advanced Functional Materials >Phototuning Selectively Hole and Electron Transport in Optically Switchable Ambipolar Transistors
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Phototuning Selectively Hole and Electron Transport in Optically Switchable Ambipolar Transistors

机译：光可调双极晶体管中的光电子空穴和电子传输选择性调谐。

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One of the grand challenges in organic electronics is to develop multicomponent materials wherein each component imparts a different and independently addressable property to the hybrid system. In this way, the combination of the pristine properties of each component is not only preserved but also combined with unprecedented properties emerging from the mutual interaction between the components. Here for the first time, that tri-component materials comprised of an ambipolar diketopyrrolopyrrole-based semiconducting polymer combined with two different photochromic diarylethene molecules possessing ad hoc energy levels can be used to develop organic field-effect transistors, in which the transport of both, holes and electrons, can be photo-modulated. A fully reversible light-switching process is demonstrated, with a light-controlled 100-fold modulation of p-type charge transport and a tenfold modulation of n-type charge transport. These findings pave the way for photo-tunable inverters and ultimately for completely re-addressable high-performance circuits comprising optical storage units and ambipolar field-effect transistors.
机译：有机电子学中的重大挑战之一是开发多组分材料，其中每种组分都为混合系统赋予不同且可独立寻址的特性。以这种方式，不仅保留了每个组分的原始性质的组合，而且还结合了由于组分之间的相互作用而产生的空前的性质。在此首次将由双极性基于二酮吡咯并吡咯基的半导体聚合物与两个具有自发能级的不同光致变色二芳基乙烯分子组合而成的三组分材料用于开发有机场效应晶体管，其中两种电子的输运，空穴和电子可以被光调制。演示了一种完全可逆的光切换过程，其中对p型电荷传输进行光控100倍调制，对n型电荷传输进行十倍调制。这些发现为光可调逆变器铺平了道路，最终为包括光存储单元和双极性场效应晶体管的完全可重新寻址的高性能电路铺平了道路。

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