Issue 18, 2020

Asymmetric organic semiconductors for high performance single crystalline field-effect transistors with low activation energy

Abstract

Three anthracene derivatives with asymmetric structures, namely 2-phvA, 2-pheA and 2-phA, were synthesised and characterized. Single crystal OFETs of the three compounds were fabricated. 2-pheA and 2-phA showed a mobility of 0.79 cm2 V−1 s−1 and 0.66 cm2 V−1 s−1, while 2-phvA exhibited a high mobility of 10 cm2 V−1 s−1, which was one of the highest mobilities for asymmetric anthracene derivatives. Band-like charge transport with low activation energy was observed in 2-phvA single crystal FET devices at low temperature. These results demonstrated that asymmetry can serve as an alternative strategy to design high-performance organic semiconductors.

Graphical abstract: Asymmetric organic semiconductors for high performance single crystalline field-effect transistors with low activation energy

Supplementary files

Article information

Article type
Communication
Submitted
04 Mar 2020
Accepted
21 Apr 2020
First published
22 Apr 2020

J. Mater. Chem. C, 2020,8, 6006-6012

Asymmetric organic semiconductors for high performance single crystalline field-effect transistors with low activation energy

F. Qiu, Y. Dong, J. Liu, Y. Sun, H. Geng, H. Zhang, D. Zhu, X. Shi, J. Liu, J. Zhang, S. Ai and L. Jiang, J. Mater. Chem. C, 2020, 8, 6006 DOI: 10.1039/D0TC01122C

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