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Roles of Interfaces on the Ideality of Organic Field-Effect Transistors

Abstract

Organic field-effect transistors (OFETs) are fundamental building blocks for flexible and large-area electronics due to their superior solution-processability, flexibility and stretchability. OFETs with high ideality are essential to their practical applications. In reality, however, many OFETs still suffer from non-ideal behaviors, such as gate-dependent mobility, which thus hinders the extraction of their intrinsic performance. It is much desired to gain a comprehensive understanding on the origins of these non-idealities. OFETs are primarily interface-related devices, hence their performance and ideality are highly dependent on the interface properties between each device component. This review will focus on the recent progress in investigating the non-ideal behaviors of OFETs. In particular, the roles of interfaces, including the organic semiconductor (OSC)/dielectric interface, OSC/electrode interface and OSC/atmosphere interface, in determining the ideality of OFETs are summarized. Viable approaches through interface optimization to improve device ideality are also reviewed. Finally, an overview of the outstanding challenges as well as the future development directions for the construction of ideal OFETs are prospected.

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Publication details

The article was received on 04 Nov 2019, accepted on 27 Nov 2019 and first published on 28 Nov 2019


Article type: Review Article
DOI: 10.1039/C9NH00694J
Nanoscale Horiz., 2019, Accepted Manuscript

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    Roles of Interfaces on the Ideality of Organic Field-Effect Transistors

    X. Wu, R. Jia, J. Pan, X. Zhang and J. Jie, Nanoscale Horiz., 2019, Accepted Manuscript , DOI: 10.1039/C9NH00694J

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