Výsledky vyhledávání

Asymmetric Host Molecule Bearing Pyridine Core for Highly Efficient Blue Thermally Activated Delayed Fluorescence OLEDs

Autor: Min Ju Cho, Dong Hoon Choi, Chang Wook Han, Ji Won Yoon, Weon Sik Chae, Hyung Jong Kim, Seong Keun Kim, Suna Choi, Sang Won Jung, Hyuna Lee, Jun Yun Kim, Dae Wi Yoon, Jang Hyuk Kwon

Publikováno v: Chemistry (Weinheim an der Bergstrasse, Germany). 26(69)

In this study, two host materials, pCzBzbCz and pCzPybCz, are synthesized to achieve a high efficiency and long lifetime of blue thermally activated delayed fluorescence organic light-emitting diodes (TADF-OLEDs). The molecular design strategy involv

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::618103913b86ee0d3c2e351acfa58a00
https://pubmed.ncbi.nlm.nih.gov/32686232

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Optimized structure of silane-core containing host materials for highly efficient blue TADF OLEDs

Autor: Joong Hwan Yang, Jinook Kim, Ji Su Moon, Ji Hyung Lee, Mallesham Godumala, Donghoon Choi, Dae Wi Yoon, Min Ju Cho, Gyeong Heon Kim, Jang Hyuk Kwon, Jun Yun Kim, Suna Choi

Publikováno v: Journal of Materials Chemistry C. 5:6570-6577

Three new derivatives containing silane cores, viz. 9,9′,9′′-(((4-(pyridin-3-yl)phenyl)silanetriyl)tris(benzene-4,1-diyl))tris(9H-carbazole) (SiCz3Py1), bis(4-(9H-carbazol-9-yl)phenyl)bis(4-(pyridin-3-yl)phenyl)silane (SiCz2Py2), and 9-(4-(tris

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1c68f30498488d09a25cce258eb71da5
https://doi.org/10.1039/c7tc01357d

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Structural isomers of 9-(pyridin-2-yl)-9H-carbazole in combination with 9′H-9,3':6′,9″-tercarbazole and their application to high efficiency solution processed green TADF OLEDs

Autor: Dae Wi Yoon, Chae Yeong Kim, Chang Wook Han, Ji Won Yoon, Hyunchul Kang, Suna Choi, Donghoon Choi, Sungnam Park, Jinhyo Hwang, Jun Yun Kim, Min Ju Cho

Publikováno v: Dyes and Pigments. 179:108403

Two host materials, CzPy2TCz and CzPy3TCz, were designed as structural isomers and synthesized to achieve high efficiency thermally activated delayed fluorescence-organic light emitting diodes (TADF-OLEDs). The design strategy involved introducing a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f7ceb26d138468f8c5cfe4eda70c6d7a
https://doi.org/10.1016/j.dyepig.2020.108403

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Effective thermally activated delayed fluorescence emitter and its performance in OLED device

Autor: Jun Yun Kim, Sangdeok Shim, Suk Joong Lee, Dae Wi Yoon, Gahyeon Lee, Seung Hyun Chae, Yosup Lee, Hyojeong Kim, Joong Hwan Yang, Woo Jae Park, Jinook Kim

Publikováno v: Synthetic Metals. 209:99-104

Dicyanophenyl derivatives, DCN1 – 3 , were rationally synthesized and their thermally activated delayed fluorescence properties were investigated. OLED devices were further fabricated using DCN1 – 3 . Particularly DCN3 (5-{3,6-di(9 H -carbazole-9

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1d8c3feb773b5ab73fdb14fe465b3670
https://doi.org/10.1016/j.synthmet.2015.07.008

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On the Mechanism of Dimethylarginine Dimethylaminohydrolase Inactivation by 4-Halopyridines

Autor: Corey M. Johnson, Zhihong Ke, Arthur F. Monzingo, Walter Fast, Hua Guo, Jon D. Robertus, Thomas W. Linsky, Dae Wi Yoon

Publikováno v: Journal of the American Chemical Society. 133:10951-10959

Small molecules capable of selective covalent protein modification are of significant interest for the development of biological probes and therapeutics. We recently reported that 2-methyl-4-bromopyridine is a quiescent affinity label for the nitric

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aa33c1bd46a400c327abd054d4abab15
https://doi.org/10.1021/ja2033684

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Electron-Transfer and Acid−Base Properties of a Two-Electron Oxidized Form of Quaterpyrrole that Acts as Both an Electron Donor and an Acceptor

Autor: E. Wenbo, Jonathan L. Sessler, Karl M. Kadish, Dae-Wi Yoon, Min Zhang, David Sánchez-García, Shunichi Fukuzumi, Kei Ohkubo

Publikováno v: The Journal of Physical Chemistry A. 112:1633-1642

Electron-transfer interconversion between the four-electron oxidized form of a quaterpyrrole (abbreviated as P4 for four pyrroles) and the two-electron oxidized form (P4H2) as well as between P4H2 and its fully reduced form (P4H4) bearing analogous s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ca1a6175a448de1e4958fcb3ba7985b
https://doi.org/10.1021/jp0766306

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Strapped and other topographically nonplanar calixpyrrole analogues. Improved anion receptors

Autor: Dae Wi Yoon, Chang-Hee Lee, Hidekazu Miyaji, Jonathan L. Sessler

Publikováno v: Chem. Commun.. :24-34

Calixpyrroles and related macrocycles are non-aromatic synthetic anion receptors that have attracted considerable attention in recent years. The unfunctionalized, parent calix[4]pyrrole system, also known as octamethylporphyrinogen, may be prepared i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4257198a5ab8773d2d2e08d2ea81b2ad
https://doi.org/10.1039/b713183f

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Calix[6]pyrroles Capped with 1,3,5-Trisubstituted Benzene

Autor: Seong-Doo Jeong, Dae-Wi Yoon, Mee-Young Song, Chang-Hee Lee

Publikováno v: Supramolecular Chemistry. 19:265-270

One side of the calix[6]pyrrole, capped with 1,3,5-trisubstituted benzene, have been synthesized for the first time and fully characterized. The synthesis of the target systems were accomplished by acid-catalyzed cyclization of ester/ether-functional

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::85d037bf5cfd8cf6101bf64f62c091b1
https://doi.org/10.1080/10610270701358509

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