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Mononuclear copper(...
Mononuclear copper(i) complexes bearing a 3-phenyl-5-(pyridin-4-yl)-1,2,4-triazole ligand: synthesis, crystal structure, TADF-luminescence, and mechanochromic effects
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- Gusev, Alexey (författare)
- Crimean Fed Univ, Russia
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- Braga, Elena (författare)
- Crimean Fed Univ, Russia
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- Zamnius, Ekaterina (författare)
- Crimean Fed Univ, Russia
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- Kiskin, Mikhail (författare)
- Russian Acad Sci, Russia
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- Ali, Amjad (författare)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Baryshnikov, Glib (författare)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- Linert, Wolfgang (författare)
- Vienna Univ Technol, Austria
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(creator_code:org_t)
- ROYAL SOC CHEMISTRY, 2023
- 2023
- Engelska.
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Ingår i: Dalton Transactions. - : ROYAL SOC CHEMISTRY. - 1477-9226 .- 1477-9234. ; 52:41, s. 14995-15008
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Three new mononuclear heteroleptic copper(i) halide complexes, [CuL(PPh3)(2)X] (X = Cl, Br, I), based on 3-phenyl-5-(pyridin-4-yl)-1,2,4-triazole (L) and triphenylphosphine (PPh3) ligands, have been prepared by reaction of CuX (X = Cl, Br, I), L and PPh3 in a molar ratio of 1 : 1 : 2 in MeCN solutions. The synthesized complexes exhibit blue light emission in solutions and bright green emission in the crystal state with quantum yields of up to 100%. The luminescence decay analysis and density functional theory calculations revealed that the emission of solid samples at room temperature corresponds to the thermally activated delayed fluorescence, while that at 77 K is assigned to phosphorescence. Utilizing the studied complexes in OLED heterostructures resulted in high-performing green-emitting devices with an external quantum efficiency of up to 13.4%.
Ämnesord
- NATURVETENSKAP -- Kemi -- Oorganisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Inorganic Chemistry (hsv//eng)
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