Optoelectronic characteristics of furan substituted thiophene/phenylene co-oligomer single crystals for organic lasing

Periyasamy Angamuthu Praveen; Thangavel Kanagasekaran; Chaoyan Ma; Masahiro Terada; Tienan Jin; Yusuke Wakabayashi; Hidekazu Shimotani

doi:10.1039/D4TC03149K

Optoelectronic characteristics of furan substituted thiophene/phenylene co-oligomer single crystals for organic lasing†

Periyasamy Angamuthu Praveen,

*^a Thangavel Kanagasekaran,*^b Chaoyan Ma,^c Masahiro Terada,

^c Tienan Jin,

^d Yusuke Wakabayashi

^a and Hidekazu Shimotani

*^a

Author affiliations

* Corresponding authors

^a Department of Physics, Graduate School of Science, Tohoku University, Sendai, Japan
E-mail: praveen@tohoku.ac.jp, shimotani@tohoku.ac.jp

^b Organic Optoelectronics Laboratory, Department of Physics, Indian Institute of Science Education and Research – Tirupati, Tirupati, India
E-mail: kanagasekaran@iisertirupati.ac.in

^c Department of Chemistry, Graduate School of Science, Tohoku University, Sendai, Japan

^d Research and Analytical Center for Giant Molecules, Graduate School of Science, Tohoku University, Sendai, Japan

Abstract

We design and synthesise an organic lasing system, 2,5-bis(5-[1,1′-biphenyl]-4-ylthiophen-2-yl)furan, which has advanced optoelectronic properties. Grown as a single crystal, this monoclinic system exhibits typical H-aggregation and has a photoluminescence quantum yield of 29% and ambipolar field effect mobilities of approximately 0.7 (hole) and 0.1 (electron) cm² V⁻¹ s⁻¹. The system is validated for its suitability towards laser development, and it exhibits excellent gain along with dual gain-narrowing emission in the yellow region. It has superior optical and electrical properties compared to its structural counterpart and similar systems. The system can be further developed by incorporating a planar resonator structure and using contact engineering techniques to realise electrically driven semiconductor lasers.

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DOI: https://doi.org/10.1039/D4TC03149K
Article type: Paper
Submitted: 24 Jul 2024
Accepted: 29 Aug 2024
First published: 30 Aug 2024

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J. Mater. Chem. C, 2024, Advance Article

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Optoelectronic characteristics of furan substituted thiophene/phenylene co-oligomer single crystals for organic lasing

P. A. Praveen, T. Kanagasekaran, C. Ma, M. Terada, T. Jin, Y. Wakabayashi and H. Shimotani, J. Mater. Chem. C, 2024, Advance Article , DOI: 10.1039/D4TC03149K

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Journal of Materials Chemistry C

Optoelectronic characteristics of furan substituted thiophene/phenylene co-oligomer single crystals for organic lasing†

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Optoelectronic characteristics of furan substituted thiophene/phenylene co-oligomer single crystals for organic lasing

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