Issue 18, 2021

Insights into the device structure, processing and material design for an organic thin-film transistor towards functional circuit integration

Abstract

Due to tremendous efforts in materials chemistry and processing techniques of organic semiconductors (OSCs), organic thin-film transistors (OTFTs) with much higher mobilities than those of amorphous silicon (a-Si) TFTs have been reported. These progresses have motivated lots of engineering studies to build functional circuits and systems based on OTFTs. However, there is clearly a big gap between the exhibited performance of these circuits and systems and what can be expected based on the reported extraordinarily high mobility values of OSCs. From a different perspective, this review analyzes the performance specifications required for various circuit applications. Then, the choice of device structures and processes for circuit integration in a manufacturable way is discussed. On this basis, material design considerations for compatibility with manufacturing, device performance improvement and technology differentiation are revealed.

Graphical abstract: Insights into the device structure, processing and material design for an organic thin-film transistor towards functional circuit integration

Article information

Article type
Review Article
Submitted
02 Mar 2021
Accepted
28 Jun 2021
First published
12 Jul 2021

Mater. Chem. Front., 2021,5, 6760-6778

Insights into the device structure, processing and material design for an organic thin-film transistor towards functional circuit integration

X. Guo, L. Han and X. Hou, Mater. Chem. Front., 2021, 5, 6760 DOI: 10.1039/D1QM00334H

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