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Journal Article Solvent-assisted Strongly Enhanced Light-emitting Electrochemiluminescent Devices for Lighting Applications
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Authors
Joo Yeon Kim, Sanghoon Cheon, Dae Kyom Kim, Sooji Nam, Jisu Han, Chi-Sun Hwang, Yuanzhe Piao, Jeong-Ik Lee
Issue Date
2021-01
Citation
RSC Advances, v.11, no.8, pp.4682-4687
ISSN
2046-2069
Publisher
Royal Society of Chemistry (RSC)
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1039/d0ra10525b
Abstract
Rubrene-based electrochemiluminescence (r-ECL) cells with two different solvent systems is prepared, one in a co-solvent system with a mixture of 1,2-dichlorobenzene and propylene carbonate (DCB??:?덽C, v/v 3??:??1) and another in a single solvent system of tetrahydrofuran (THF), as the medium to form a liquid-electrolyte (L-El). By simply changing the solvent systems, from the co-solvent DCB??:?덽C (v/v 3??:??1) to the single solvent THF, with the same amount of electrochemiluminescent rubrene (5 mM) and Li-based salt, a dramatically enhanced brightness of over 30 cd m-2 is observed for the r-ECL cell in L-ElTHF which is approximately 7-times higher than the brightness of 5 cd m-2 observed for the r-ECL in L-ElDCB:PC(v/v 3:1). This journal is
KSP Keywords
2-Dichlorobenzene, Co-solvent system, Propylene Carbonate, Solvent-assisted, light-emitting, lighting applications
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(CC BY NC)
CC BY NC