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1 article(s) from Lapcinska, Sindija

Aromatic systems with two and three pyridine-2,6-dicarbazolyl-3,5-dicarbonitrile fragments as electron-transporting organic semiconductors exhibiting long-lived emissions

Karolis Leitonas,
Brigita Vigante,
Dmytro Volyniuk,
Audrius Bucinskas,
Pavels Dimitrijevs,
Sindija Lapcinska,
Pavel Arsenyan and
Juozas Vidas Grazulevicius

Beilstein J. Org. Chem. 2023, 19, 1867–1880, doi:10.3762/bjoc.19.139

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Figure 1: Chemical structures of pyridine-3,5-dicarbonitrile-based TADF emitters.

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Scheme 1: Synthesis of dicyanocarbazole 6. Reaction conditions: a) cyanoacetamide, piperidine, methanol, 40 °...

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Scheme 2: Synthesis of dicyanocarbazoles 7–9. Reaction conditions: a) corresponding ethynyl arene, Pd(Ph₃P)₄ ...

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Figure 2: Absorption (a, b) and PL (c, d) spectra of dilute toluene, THF, and chloroform solutions (10⁻⁵ M) a...

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Figure 3: PL spectra (a) and PL decay curves (b) of air-equilibrated (as prepared) and deoxygenated toluene s...

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Figure 4: Non-normalized (a) and normalized (b) PL spectra and PL decay curves (c) of the film of a 10 wt % m...

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Figure 5: TGA (a) and DSC 2nd heating (b) curves of compounds 6–9.

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Figure 6: CV curves of compounds 6–9.

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Figure 7: Photoelectron emission spectra of the vacuum-deposited films of compounds 6–9 on glass substrates c...

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Figure 8: The current transients (a) for electrons recorded at the different voltages for the vacuum-deposite...

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Published 12 Dec 2023

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