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Schiff Base Zinc(II...
Schiff Base Zinc(II) Complexes as Promising Emitters for Blue Organic Light-Emitting Diodes
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- Gusev, Alexey N. (author)
- Russian Acad Sci, Russia
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- Kiskin, Mikhail A. (author)
- Russian Acad Sci, Russia
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- Braga, Elena V (author)
- Russian Acad Sci, Russia
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- Kryukova, Mariya A. (author)
- St Petersburg State Univ, Russia
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- Baryshnikov, Glib (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten,Bohdan Khmelnytsky Natl Univ, Ukraine
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- Karaush-Karmazin, Nataliya N. (author)
- Bohdan Khmelnytsky Natl Univ, Ukraine
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- Minaeva, Valentina A. (author)
- Bohdan Khmelnytsky Natl Univ, Ukraine
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- Minaev, Boris F. (author)
- Bohdan Khmelnytsky Natl Univ, Ukraine
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- Ivaniuk, Khrystyna (author)
- Lviv Polytech Natl Univ, Ukraine
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- Stakhira, Pavlo (author)
- Lviv Polytech Natl Univ, Ukraine
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- Ågren, Hans (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten,Henan Univ, Peoples R China
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- Linert, Wolfgang (author)
- Vienna Univ Technol, Austria
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(creator_code:org_t)
- 2021-08-11
- 2021
- English.
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In: ACS Applied Electronic Materials. - : American Chemical Society (ACS). - 2637-6113. ; 3:8, s. 3436-3444
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https://pubs.acs.org...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Organometallic blue fluorescent Zn(II) Schiff base complexes are synthesized and explored computationally in order to use them in organic electroluminescent heterostructures. Characterization of these pyrazolone-based azomethine-zinc complexes was accomplished by various physicochemical techniques to get insight into their applicability as an active layer in light-emitting diodes. All the complexes demonstrate high thermal stability and remarkable photoluminescence both in solution and in the solid state with maximum in the blue region. Quantum chemical calculations of the first exited electronic state and vertical singlet-singlet electronic transitions by means of time-dependent density functional theory calculations and results show that the origin of the luminescence for the target complexes refers to the intraligand charge transfer within the Schiff bases. The constructed light-emitting diodes demonstrate low input voltage (3.2-4.0 V), brightness at a level of 4300-11,600 Cd m(-2), and external quantum efficiency of up to 3.2%, which is a good value for purely fluorescent organic light-emitting diodes.
Subject headings
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
Keyword
- zinc complexes; Schiff base; luminescence; OLEDs; DFT calculations
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Gusev, Alexey N.
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Kiskin, Mikhail ...
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Braga, Elena V
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Kryukova, Mariya ...
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Baryshnikov, Gli ...
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Karaush-Karmazin ...
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show more...
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Minaeva, Valenti ...
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Minaev, Boris F.
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Ivaniuk, Khrysty ...
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Stakhira, Pavlo
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Ågren, Hans
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Linert, Wolfgang
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Other Physics To ...
- Articles in the publication
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ACS Applied Elec ...
- By the university
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Linköping University