2D Conjugated Polymer Thin Films for Organic Electronics: Opportunities and Challenges

Author:

Fu Guang‐en1,Yang Haoyong1,Zhao Wenkai1,Samorì Paolo2,Zhang Tao1ORCID

Affiliation:

1. Key Laboratory of Marine Materials and Related Technologies Ningbo Institute of Materials Technology and Engineering Chinese Academy of Sciences Ningbo 315201 China

2. University of Strasbourg CNRS ISIS UMR 7006, 8 Allée Gaspard Monge Strasbourg 67000 France

Abstract

Abstract2D conjugated polymers (2DCPs) possess extended in‐plane π‐conjugated lattice and out‐of‐plane π–π stacking, which results in enhanced electronic performance and potentially unique band structures. These properties, along with predesignability, well‐defined channels, easy postmodification, and order structure attract extensive attention from material science to organic electronics. In this review, the recent advance in the interfacial synthesis and conductivity tuning strategies of 2DCP thin films, as well as their application in organic electronics is summarized. Furthermore, it is shown that, by combining topology structure design and targeted conductivity adjustment, researchers have fabricated 2DCP thin films with predesigned active groups, highly ordered structures, and enhanced conductivity. These films exhibit great potential for various thin‐film organic electronics, such as organic transistors, memristors, electrochromism, chemiresistors, and photodetectors. Finally, the future research directions and perspectives of 2DCPs are discussed in terms of the interfacial synthetic design and structure engineering for the fabrication of fully conjugated 2DCP thin films, as well as the functional manipulation of conductivity to advance their applications in future organic electronics.

Funder

National Natural Science Foundation of China

Publisher

Wiley

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