Record efficiency of 1000 nm electroluminescence from a solution-processable host-free OLED
Тип публикации: Journal Article
Дата публикации: 2022-02-07
scimago Q2
wos Q1
БС1
SJR: 0.653
CiteScore: 6.0
Impact factor: 3.3
ISSN: 14779226, 14779234
PubMed ID:
35195116
Inorganic Chemistry
Краткое описание
New ytterbium complexes K(Solv)x[Yb(Ln)2] (Solv = ethanol and/or water) with 2-tosylaminobenzylidene-aryloylhydrazones (H2L1, aryloyl = benzoyl; H2L2, aryloyl = 2-naphthoyl) demonstrated high solubility and hole mobility (ca. 2.6 × 10-6 cm2 V-1 s-1), while their electron mobility and PLQY were different. The substitution of a benzoyl substituent with naphthoyl resulted in a significant increase of the electron mobility (6.9 × 10-7vs. 1.7 × 10-6 cm2 V-1 s-1) and a decrease of the quantum yield (1.2% vs. 0.6%). As a result, the optimized OLEDs based on the K[Yb(Ln)2] layer demonstrated efficiencies up to 385 μW W-1 and 441 μW W-1, indicating the superior importance of charge mobility over the quantum yield. These are the highest efficiencies of the Yb electroluminescence.
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Kovalenko A. et al. Record efficiency of 1000 nm electroluminescence from a solution-processable host-free OLED // Dalton Transactions. 2022. Vol. 51. No. 10. pp. 3833-3838.
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Kovalenko A., Tcelykh L., Koshelev D., Vashchenko A. A., Tsymbarenko D., Goloveshkin A. S., Aleksandrov A., Burlov A., Utochnikova V. Record efficiency of 1000 nm electroluminescence from a solution-processable host-free OLED // Dalton Transactions. 2022. Vol. 51. No. 10. pp. 3833-3838.
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TY - JOUR
DO - 10.1039/d1dt04033b
UR - https://xlink.rsc.org/?DOI=D1DT04033B
TI - Record efficiency of 1000 nm electroluminescence from a solution-processable host-free OLED
T2 - Dalton Transactions
AU - Kovalenko, Anton
AU - Tcelykh, L
AU - Koshelev, Daniil
AU - Vashchenko, Andrey A
AU - Tsymbarenko, Dmitry
AU - Goloveshkin, Alexander S.
AU - Aleksandrov, Alexey
AU - Burlov, Anatolii
AU - Utochnikova, Valentina
PY - 2022
DA - 2022/02/07
PB - Royal Society of Chemistry (RSC)
SP - 3833-3838
IS - 10
VL - 51
PMID - 35195116
SN - 1477-9226
SN - 1477-9234
ER -
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@article{2022_Kovalenko,
author = {Anton Kovalenko and L Tcelykh and Daniil Koshelev and Andrey A Vashchenko and Dmitry Tsymbarenko and Alexander S. Goloveshkin and Alexey Aleksandrov and Anatolii Burlov and Valentina Utochnikova},
title = {Record efficiency of 1000 nm electroluminescence from a solution-processable host-free OLED},
journal = {Dalton Transactions},
year = {2022},
volume = {51},
publisher = {Royal Society of Chemistry (RSC)},
month = {feb},
url = {https://xlink.rsc.org/?DOI=D1DT04033B},
number = {10},
pages = {3833--3838},
doi = {10.1039/d1dt04033b}
}
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MLA
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Kovalenko, Anton, et al. “Record efficiency of 1000 nm electroluminescence from a solution-processable host-free OLED.” Dalton Transactions, vol. 51, no. 10, Feb. 2022, pp. 3833-3838. https://xlink.rsc.org/?DOI=D1DT04033B.