Hybridized Local and Charge-Transfer Excited-State Emitter for a Blue Organic Solid-State Laser

Ho Jin Jang; Gyudam Jeon; Khushbu Patel; Hakjun Lee; Taekyung Kim; Jun Yeob Lee; Na Young Ha

doi:10.1021/acsami.3c05433

journal article·2023-08-02

Hybridized Local and Charge-Transfer Excited-State Emitter for a Blue Organic Solid-State Laser

Ho Jin Jang, Gyudam Jeon, Khushbu Patel, Hakjun Lee, Taekyung Kim, Jun Yeob Lee, Na Young Ha

ACS Applied Materials & Interfaces· Volume 15· Issue 30

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Abstract

The use of triplet excitons harvesting and short exciton lifetime organic emitters is important to improve the exciton utilization in organic semiconductor laser diodes. In this study, a hybridized local and charge-transfer (HLCT)-type molecule, 11-(3-(10-(4-(1-phenyl-1 H -phenanthro[9,10- d ]imidazol-2-yl)phenyl)anthracen-9-yl)phenyl)-11 H -benzofuro[3,2- b ]carbazole (PhAnMBf), is used as an emitter for blue-emitting organic solid-state lasers (OSSLs). The short exciton lifetime and high photoluminescence quantum yield of the PhAnMBf emitter allowed the fabrication of an organic laser with an emission wavelength of 453 nm, a small full width at half-maximum of 1.2 nm, and a threshold of 105 nJ/pulse, corresponding to 44 μJ/cm 2, on the distributed feedback substrate. The anthracene-based PhAnMBf material showed the potential of the HLCT emitter as an OSSL.

Source: openalex_inverted_index · Quality: baseline

Research context

Electronic materials

OpenAlex topics: Organic Light-Emitting Diodes Research · Luminescence and Fluorescent Materials · Organic Electronics and Photovoltaics

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Chemical Engineering, Sungkyunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon, Gyeonggi 16419, Korea

Department of Physics and Department of Energy Systems Research, Ajou University, Suwon 16499, Korea

Department of Information Display Engineering, Hongik University, 94, Wausan-ro, Mapo-gu, Seoul 04066, Korea

Department of Materials Science and Engineering, Hongik University, 2639 Sejong-ro, Jochiwon-eup, Sejong 30016, Korea

SKKU Advanced Institute of Nano Technology, Sungkyunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon, Gyeonggi 16419, Korea

SKKU Institute of Energy Science and Technology, Sungkyunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon, Gyeonggi 16419, Korea

Funding

National Research Foundation of Korea

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