Issue 44, 2020

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

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

Supplementary files

Article information

Article type
Communication
Submitted
20 jul 2020
Accepted
31 ago 2020
First published
02 set 2020

J. Mater. Chem. C, 2020,8, 15597-15602

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, 8, 15597 DOI: 10.1039/D0TC03426F

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