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TCNQ-based organic cocrystal integrated red emission and n-type charge transport.

ABSTRACT: Simultaneously realizing the optical and electrical properties of organic materials is always challenging. Herein, a convenient and promising strategy for designing organic materials with integrated optoelectronic properties based on cocrystal engineering has been put forward. By selecting the fluorene (Flu) and the 7,7',8,8'-tetracyanoquinodimethane (TCNQ) as functional constituents, the Flu-TCNQ cocrystal prepared shows deep red emission at 702 nm, which is comparable to the commercialized red quantum dot. The highest electron mobility of organic field-effect transistor (OFET) based on Flu-TCNQ is 0.32 cm² V^-1 s^-1. Spectroscopic analysis indicates that the intermolecular driving force contributing to the co-assembly of Flu-TCNQ is mainly charge transfer (CT) interaction, which leads to its different optoelectronic properties from constituents.

SUBMITTER: Jiang M

PROVIDER: S-EPMC9756251 | biostudies-literature | 2022 May

REPOSITORIES: biostudies-literature

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TCNQ-based organic cocrystal integrated red emission and n-type charge transport.

Jiang Mengjia M Li Shuyu S Zhen Chun C Wang Lingsong L Li Fei F Zhang Yihan Y Dong Weibing W Zhang Xiaotao X Hu Wenping W

Frontiers of optoelectronics 20220509 1

Simultaneously realizing the optical and electrical properties of organic materials is always challenging. Herein, a convenient and promising strategy for designing organic materials with integrated optoelectronic properties based on cocrystal engineering has been put forward. By selecting the fluorene (Flu) and the 7,7',8,8'-tetracyanoquinodimethane (TCNQ) as functional constituents, the Flu-TCNQ cocrystal prepared shows deep red emission at 702 nm, which is comparable to the commercialized red ...[more]

PMID: 36637548

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