Journal of Luminescence, volume 244, pages 118702
Ytterbium complexes with 2-tosylamino-4-bromobenzylidene-halogenbenzoyhydrazones for highly NIR emitting solution-processed OLEDs
Vashchenko A A
2
,
Medved'ko Aleksei V.
3
,
Utochnikova Valentina V
,
Latipov Egor V
1
,
Burlov Anatolii S.
,
Tcelykh Liubov O
,
Koshelev Daniil
1
,
Tcelykh L
4
,
Burlov A.S
6
,
Publication type: Journal Article
Publication date: 2022-04-01
Journal:
Journal of Luminescence
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor: 3.6
ISSN: 00222313
General Chemistry
Biochemistry
Biophysics
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Abstract
Ytterbium complexes Yb(L X )(HL X ) with 2-tosylamino-4-bromobenzylidene- X -benzoylhydrazones (H 2 LH, X = H; H 2 LF, X = F; H 2 LI, X = I) were obtained, their luminescent properties characterized. Halogenation resulted in the increase of solubility (up to 24 g/L in THF) and quantum yield (up to 1.9%). High solubility and high quantum yields resulted in successfully testing these complexes as purely NIR-emitting host-free emitting layers in OLEDs. Surprisingly, among the tested materials the highest efficiency (110 μW/W) was demonstrated by the Yb(LH)(HLH) complex with the lowest quantum yield (0.5%). This efficiency is the highest for the Yb electroluminescence by far, and it was obtained for the solution-processed OLED. • Ytterbium complexes with halogenated 2-tosylamino-brombenzylidene-benzoilhydrazones were obtained. • Halogenation resulted in the significant increase of solubility (up to 24 g/L in THF). • QY increase up to 1,9%, which is fourth highest for the powders of ytterbium complexes. • Yb-based OLED with record efficiency – 110 μW/W – was obtained.
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- We do not take into account publications that without a DOI.
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- Statistics recalculated weekly.
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Fedichkina A. D. et al. Ytterbium complexes with 2-tosylamino-4-bromobenzylidene-halogenbenzoyhydrazones for highly NIR emitting solution-processed OLEDs // Journal of Luminescence. 2022. Vol. 244. p. 118702.
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Fedichkina A. D., Vashchenko A. A., Gontcharenko V. E., Latipov E. V., Burlov A. S., Utochnikova V. V., Koshelev D., Tcelykh L. O., Medved'ko A. V., Tcelykh L., Goloveshkin A. S., Vatsadze S. Z., Burlov A., Utochnikova V. Ytterbium complexes with 2-tosylamino-4-bromobenzylidene-halogenbenzoyhydrazones for highly NIR emitting solution-processed OLEDs // Journal of Luminescence. 2022. Vol. 244. p. 118702.
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TY - JOUR
DO - 10.1016/j.jlumin.2021.118702
UR - https://doi.org/10.1016%2Fj.jlumin.2021.118702
TI - Ytterbium complexes with 2-tosylamino-4-bromobenzylidene-halogenbenzoyhydrazones for highly NIR emitting solution-processed OLEDs
T2 - Journal of Luminescence
AU - Fedichkina, Anna D
AU - Vashchenko, A A
AU - Gontcharenko, Victoria E
AU - Latipov, Egor V
AU - Burlov, Anatolii S.
AU - Utochnikova, Valentina V
AU - Koshelev, Daniil
AU - Tcelykh, Liubov O
AU - Medved'ko, Aleksei V.
AU - Tcelykh, L
AU - Goloveshkin, Alexander S.
AU - Vatsadze, Sergey Z.
AU - Burlov, A.S
AU - Utochnikova, Valentina
PY - 2022
DA - 2022/04/01 00:00:00
PB - Elsevier
SP - 118702
VL - 244
SN - 0022-2313
ER -
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@article{2022_Fedichkina,
author = {Anna D Fedichkina and A A Vashchenko and Victoria E Gontcharenko and Egor V Latipov and Anatolii S. Burlov and Valentina V Utochnikova and Daniil Koshelev and Liubov O Tcelykh and Aleksei V. Medved'ko and L Tcelykh and Alexander S. Goloveshkin and Sergey Z. Vatsadze and A.S Burlov and Valentina Utochnikova},
title = {Ytterbium complexes with 2-tosylamino-4-bromobenzylidene-halogenbenzoyhydrazones for highly NIR emitting solution-processed OLEDs},
journal = {Journal of Luminescence},
year = {2022},
volume = {244},
publisher = {Elsevier},
month = {apr},
url = {https://doi.org/10.1016%2Fj.jlumin.2021.118702},
pages = {118702},
doi = {10.1016/j.jlumin.2021.118702}
}