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Toward Efficient Charge Transport of Polymer-Based Organic Field-Effect Transistors: Molecular Design, Processing, and Functional Utilization
Accounts of Materials Research ( IF 14.6 ) Pub Date : 2021-10-11 , DOI: 10.1021/accountsmr.1c00149
Yangjiang Wu 1 , Yan Zhao 1 , Yunqi Liu 1, 2
Affiliation  

Polymer-based organic field-effect transistors (OFETs) have attracted great attention owing to their significantly improved performance and the recently emerged prospects for broad applications. The charge carrier mobility of polymer-based OFETs has been improved from 10–5 to more than 10 cm2 V–1 s–1 over the past three decades. With the carrier mobility close to or higher than that of amorphous silicon, the application fields of polymer-based OFETs have been extended from sensing to logic or drive circuits. During OFET operation, the charge carriers are successively injected in and then transferred across the semiconducting channel under an external electric field. The behavior of the charge carriers is determined by both charge injection and charge transport. Well-matched frontier molecular orbital (FMO) energy levels and optimized hierarchical structures of semiconducting polymers are essential for the realization of high-performance polymer-based OFETs.

中文翻译:

聚合物基有机场效应晶体管的高效电荷传输:分子设计、加工和功能利用

基于聚合物的有机场效应晶体管 (OFET) 因其显着提高的性能和最近出现的广泛应用前景而备受关注。基于聚合物的 OFET 的电荷载流子迁移率已从 10 –5提高到超过 10 cm 2 V –1 s –1在过去的三个十年中。由于载流子迁移率接近或高于非晶硅,聚合物基OFET的应用领域已经从传感扩展到逻辑或驱动电路。在 OFET 操作期间,电荷载流子被连续注入,然后在外部电场下穿过半导体沟道转移。电荷载流子的行为由电荷注入和电荷传输决定。匹配良好的前沿分子轨道 (FMO) 能级和优化的半导体聚合物分级结构对于实现基于聚合物的高性能 OFET 至关重要。
更新日期:2021-11-26
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