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2 article(s) from Ozturk, Turan

Thienothiophene-based organic light-emitting diode: synthesis, photophysical properties and application

Recep Isci and
Turan Ozturk

Beilstein J. Org. Chem. 2023, 19, 1849–1857, doi:10.3762/bjoc.19.137

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Graphical Abstract

Scheme 1: Synthesis of DMB-TT-TPA (8).

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Figure 1: Absorption and emission of DMB-TT-TPA (8) in THF. Figure 1 was adapted with permission of Institution of Ch...

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Figure 2: (a) Current efficiency–luminance, (b) current efficiency–voltage, (c) luminance–voltage, and (d) cu...

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Figure 3: (a) Power efficiency–luminance, (b) external quantum efficiency–luminescence, (c) electroluminescen...

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Figure 4: Thermal gravimetric analyses (TGA) of DMB-TT-TPA (8).

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Figure 5: HOMO and LUMO diagrams calculated at the B3LYP/6-31G (d,p) level of theory.

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Supp Info

Full Research Paper

Published 07 Dec 2023

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Bis(vinylenedithio)tetrathiafulvalene analogues of BEDT-TTF

Erdal Ertas,
İlknur Demirtas and
Turan Ozturk

Beilstein J. Org. Chem. 2015, 11, 403–415, doi:10.3762/bjoc.11.46

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Figure 1: Chemical structure of the TTF analogues and TCNQ.

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Figure 2: Oxidation states of TTF.

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Figure 3: 1,4-Dithiin and thiophene fused TTF analogues from 1,8-diketone.

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Scheme 1: Reaction mechanism of fused 1,4-dithiin and thiophene ring systems.

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Scheme 2: Reaction conditions (i) LR, toluene, reflux, overnight; (ii) P₄S₁₀, toluene, reflux, 3 h.

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Scheme 3: Proposed mechanism for side products.

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Scheme 4: Reaction conditions (i) Hg(OAc)₂, AcOH/CHCl₃, rt, 1h; (ii) (EtO)₃P, N₂, 3 h, 110 °C.

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Scheme 5: Reaction conditions (i) iPr₂NEt, MEMCl, THF, rt, 12 h; (ii) LiAlH_4, dry ether, rt, 24 h; (iii) tosy...

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Scheme 6: Reagents and conditions (i) P₄S₁₀, toluene, reflux, dark, 3 h; (ii) P₄S₁₀, toluene, reflux, 3 h; (i...

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Scheme 7: Reagents and conditions (i) Hg(OAc)₂–AcOH, CHCl₃, 3 h, rt; (ii) (EtO)₃P, 110 °C, N₂, 2 h.

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Scheme 8: Charge transfer complex of 5,5',6,6'-tetraphenyl-2,2'-bi([1,3]dithiolo[4,5-b][1,4]dithiinylidene) 52...

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Scheme 9: Reaction conditions (i) (EtO)₃P, 110 °C, N₂, 2 h.

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Scheme 10: Reaction conditions (i) EtOH, reflux, overnight; (ii) diisopropylethylamine in CH₂Cl₂, room tempera...

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Scheme 11: Reaction and conditions (i) P₄S₁₀, NaHCO₃, toluene, reflux, 3 h; (ii) P₄S₁₀, p-TSA, toluene, reflux...

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Review

Published 27 Mar 2015

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