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Substitution site effect of naphthyl substituted anthracene derivatives and their applications in organic optoelectronics

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Abstract

By introducing the naphthyl group into the 2,6-positions of anthracene, two different anthracene derivatives, 2,6-di(2-naphthyl)anthracene (2,6-di(2-Na)Ant) and 2,6-di(1-naphthyl)anthracene (2,6-di(1-Na)Ant) were synthesized. The tiny change in the substitution site of the naphthyl group leads to a significant difference in the molecular packing and further exerts a great impact on their optoelectronic properties. Thin film field-effect transistors for 2,6-di(2-Na)Ant show charge transport mobility up to 2.1 cm2 V−1 s−1, while 2,6-di(1-Na)Ant demonstrates no mobility. Moreover, thin film phototransistors of 2,6-di(2-Na)Ant show a photoresponsivity of 6.9 × 103 A W−1, a high photosensitivity of 2.6 × 106 and an excellent detectivity of 3.4 × 1016 Jones, which is one of the highest performances of thin film organic phototransistors reported to date.

Graphical abstract: Substitution site effect of naphthyl substituted anthracene derivatives and their applications in organic optoelectronics

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Article information


Submitted
20 Jul 2020
Accepted
31 Aug 2020
First published
02 Sep 2020

J. Mater. Chem. C, 2020, Advance Article
Article type
Communication

Substitution site effect of naphthyl substituted anthracene derivatives and their applications in organic optoelectronics

J. Li, D. Ji, Y. Hu, M. Chen, J. Liu, Z. Qin, Y. Sun, Y. Dang, Y. Zhen, H. Dong, L. Li and W. Hu, J. Mater. Chem. C, 2020, Advance Article , DOI: 10.1039/D0TC03426F

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