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Hybridized Local and Charge-Transfer Excited-State Emitter for a Blue Organic Solid-State Laser
- Authors
- Jang, Ho Jin; Jeon, Gyudam; Patel, Khushbu; Lee, Hakjun; Kim, Taekyung; Lee, Jun Yeob; Ha, Na Young
- Issue Date
- 23-Jul-2023
- Publisher
- AMER CHEMICAL SOC
- Keywords
- organic solid-state laser; hybridized localand chargetransfer; distributed feedback; optical pumping; blue emission
- Citation
- ACS APPLIED MATERIALS & INTERFACES, v.15, no.30, pp 36628 - 36635
- Pages
- 8
- Journal Title
- ACS APPLIED MATERIALS & INTERFACES
- Volume
- 15
- Number
- 30
- Start Page
- 36628
- End Page
- 36635
- ISSN
- 1944-8244
1944-8252
- Abstract
- The use of triplet excitons harvestingand short exciton lifetimeorganic emitters is important to improve the exciton utilization inorganic semiconductor laser diodes. In this study, a hybridized localand charge-transfer (HLCT)-type molecule, 11-(3-(10-(4-(1-phenyl-1H-phenanthro[9,10-d]imidazol-2-yl)phenyl)anthracen-9-yl)phenyl)-11H-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 quantumyield of the PhAnMBf emitter allowed the fabrication of an organiclaser with an emission wavelength of 453 nm, a small full width athalf-maximum of 1.2 nm, and a threshold of 105 nJ/pulse, correspondingto 44 & mu;J/cm(2), on the distributed feedback substrate.The anthracene-based PhAnMBf material showed the potential of theHLCT emitter as an OSSL.
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Related Researcher
- Kim, Taekyung
- Science & Technology (Department of Nanomaterials Engineering)