Acceptor–donor–acceptor molecule processed using polar non-halogenated solvents for organic field-effect transistors. Issue 19 (16th April 2020)

• Record Type: Journal Article
• Authors: Zhang, Guobing; Zhou, Wei; Kim, Minkyu; Sun, Mingxiang; Lu, Hongbo; Qiu, Longzhen; Cho, Kilwon; Ding, Yunsheng
• Is Part Of: Journal of materials chemistry. Volume 8:Issue 19(2020)
• Page Start: 6496
• Page End: 6502
• Publication Date: 2020-04-16
• Subjects: Materials -- Periodicals; Chemistry, Analytic -- Periodicals; Optical materials -- Research -- Periodicals; Electronics -- Materials -- Research -- Periodicals; 543.0284
• DOI: 10.1039/c9tc07117b
• Languages: English
• ISSNs: 2050-7526

Abstract

Abstract : The polar non-chlorinated solvents were used as processed solvents for fabricating small molecule-based high-performance OFETs. Abstract : Non-chlorinated solvents, especially polar non-chlorinated solvents, are highly desirable for the fabrication of organic field-effect transistors (OFETs) because they do not create environmental and health issues. In this paper, four polar non-chlorinated solvents, namely, tetrahydrofuran (THF), ethyl acetate (EtAc), acetone (AT), and 2-methyltetrahydrofuran (2-MTHF) were used to fabricate high-performance acceptor-donor–acceptor small molecules (IDTT–IDD-N ) for OFETs. The effects of polar non-chlorinated solvents regarding optical properties, device performances, and microstructures were investigated in detail. High-performance OFETs were demonstrated with the hole mobilities of up to 1.01, 1.49, 2.40, and 0.81 cm 2 V −1 s −1 for the THF, EtAc, AT, and 2-MTHF-processed devices, respectively. This work indicates that the IDTT–IDD-N -based OFETs fabricated from polar non-chlorinated solvents have potential applications in high-performance and environmentally friendly organic electronics.