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Jang HJ, Jeon G, Patel K, Lee H, Kim T, Lee JY, Ha NY. Hybridized Local and Charge-Transfer Excited-State Emitter for a Blue Organic Solid-State Laser. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37481771 DOI: 10.1021/acsami.3c05433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/25/2023]
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-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 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/cm2, on the distributed feedback substrate. The anthracene-based PhAnMBf material showed the potential of the HLCT emitter as an OSSL.
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Affiliation(s)
- Ho Jin Jang
- School of Chemical Engineering, Sungkyunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon, Gyeonggi 16419, Korea
| | - Gyudam Jeon
- Department of Physics and Department of Energy Systems Research, Ajou University, Suwon 16499, Korea
| | - Khushbu Patel
- School of Chemical Engineering, Sungkyunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon, Gyeonggi 16419, Korea
| | - Hakjun Lee
- Department of Information Display Engineering, Hongik University, 94, Wausan-ro, Mapo-gu, Seoul 04066, Korea
| | - Taekyung Kim
- 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
| | - Jun Yeob Lee
- School of Chemical Engineering, Sungkyunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon, Gyeonggi 16419, 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
| | - Na Young Ha
- Department of Physics and Department of Energy Systems Research, Ajou University, Suwon 16499, Korea
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Ivanov I, Skryshevsky V, Belarouci A. Engineering Porous Silicon-Based Microcavity for Chemical Sensing. ACS OMEGA 2023; 8:21265-21276. [PMID: 37332808 PMCID: PMC10268620 DOI: 10.1021/acsomega.3c02526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 05/19/2023] [Indexed: 06/20/2023]
Abstract
In this article, the authors theoretically and experimentally investigated ways to improve the efficiency of porous silicon (PS)-based optical microcavity sensors as a 1D/2D host matrix for electronic tongue/nose systems. The transfer matrix method was used to compute reflectance spectra of structures with different [nLnH] sets of low nL and high nH bilayer refractive indexes, the cavity position λc, and the number of bilayers Nbi. Sensor structures were prepared by electrochemically etching a silicon wafer. The kinetics of adsorption/desorption processes of ethanol-water-based solution was monitored in real time with a reflectivity probe-based setup. It was theoretically and experimentally demonstrated that the sensitivity of the microcavity sensor is higher for structures with refractive indexes in the lower range (and the corresponding porosity values in the upper range). The sensitivity is also improved for structures with the optical cavity mode (λc) adjusted toward longer wavelengths. The sensitivity of a distributed Bragg reflector (DBR) with cavity increases for a structure with cavity position λc in the long wavelength region. The full width at half maximum (fwhmc) of the microcavity is smaller and the quality factor of microcavity (Qc) is higher for the DBR with a larger number of structure layers Nbi. The experimental results are in good agreement with the simulated data. We believe that our results can help in developing rapid, sensitive, and reversible electronic tongue/nose sensing devices based on a PS host matrix.
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Affiliation(s)
- Ivan Ivanov
- Taras
Shevchenko National University of Kyiv, 64 Volodymyrska, Kyiv 01033, Ukraine
| | - Valeriy Skryshevsky
- Taras
Shevchenko National University of Kyiv, 64 Volodymyrska, Kyiv 01033, Ukraine
| | - Ali Belarouci
- Univ
Lyon, ECL, INSA Lyon, CNRS, UCBL, CPE Lyon, INL, UMR5270, Ecully 69130, France
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Shen H, Wang Z, Wu Y, Yang B. One-dimensional photonic crystals: fabrication, responsiveness and emerging applications in 3D construction. RSC Adv 2016. [DOI: 10.1039/c5ra21373h] [Citation(s) in RCA: 73] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Classical usages of one-dimensional photonic crystals and emerging applications in 3D construction.
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Affiliation(s)
- Huaizhong Shen
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun
- P. R. China
| | - Zhanhua Wang
- Laboratory of Organic Chemistry
- Wageningen University and Research Center
- The Netherlands
| | - Yuxin Wu
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun
- P. R. China
| | - Bai Yang
- State Key Laboratory of Supramolecular Structure and Materials
- College of Chemistry
- Jilin University
- Changchun
- P. R. China
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