晶体管中具有侧链功能的噻吩异靛蓝有机半导体的合成与性能

IF 2.8 4区 化学 Q1 CHEMISTRY, ORGANIC Asian Journal of Organic Chemistry Pub Date : 2024-10-01 DOI:10.1002/ajoc.202400250
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引用次数: 0

摘要

异靛蓝及其衍生物作为广泛应用的缺电子分子,在有机场效应晶体管中得到了广泛的应用,并迅速引起了人们的关注。本研究通过四种不同侧链的异靛蓝分子作为受体和噻吩作为供体的 Stille 偶联反应,合成了四种不同的异靛蓝基有机半导体聚合物。此外,还对它们的光学、电化学、热稳定性和其他相关特性进行了全面评估。这些聚合物的 LUMO 能级较低,有利于半导体层与源极/漏极之间的有效电接触,同时确保了半导体聚合物在空气中的出色稳定性,因此表现出了出色的电化学和热稳定性。此外,利用这些聚合物制备的溶液栅场效应晶体管的空穴迁移率达到了 10-2 cm2V-1S-1,离子/间隙比为 8.39×103,显示出卓越的场效应性能。
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Synthesis and Performance of Bithiophene Isoindigo Organic Semiconductors with Side‐Chain Functionality in Transistors
The isoindigo and its derivatives have rapidly garnered attention as widely employed electron‐deficient moieties, finding extensive applications in organic field‐effect transistors. In this study, four different isoindigo‐based organic semiconductor polymers were synthesized via a Stille coupling reaction of four isoindigo molecules with varying side chains serving as acceptors and bithiophene as donors. Furthermore, their optical, electrochemical, thermal stability, and other relevant properties were comprehensively evaluated. These polymers exhibited remarkable electrochemical and thermal stability attributed to their low LUMO energy level, which facilitates effective electrical contact between the semiconductor layer and the source/drain while ensuring excellent air stability for the semiconductor polymers. Additionally, solution‐gate field‐effect transistors prepared using these polymers achieved hole mobilities of 10−2 cm2 V−1 S−1 along with an Ion/Ioff ratio of 8.39×103, demonstrating exceptional field‐effect performance.
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来源期刊
CiteScore
4.70
自引率
3.70%
发文量
372
期刊介绍: Organic chemistry is the fundamental science that stands at the heart of chemistry, biology, and materials science. Research in these areas is vigorous and truly international, with three major regions making almost equal contributions: America, Europe and Asia. Asia now has its own top international organic chemistry journal—the Asian Journal of Organic Chemistry (AsianJOC) The AsianJOC is designed to be a top-ranked international research journal and publishes primary research as well as critical secondary information from authors across the world. The journal covers organic chemistry in its entirety. Authors and readers come from academia, the chemical industry, and government laboratories.
期刊最新文献
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