Tetraphenylethylene substituted thienothiophene and dithienothiophene derivatives: Synthesis, optical properties and OLED applications

Recep Isci; Emine Tekin; Kerem Kaya; Selin Piravadili Mucur; Sultan Funda Gorkem; Turan Ozturk

doi:10.1039/d0tc01715a

Tetraphenylethylene substituted thienothiophene and dithienothiophene derivatives: Synthesis, optical properties and OLED applications

Recep Isci, Emine Tekin, Kerem Kaya, Selin Piravadili Mucur, Sultan Funda Gorkem, Turan Ozturk^*

^*Corresponding author for this work

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

57 Citations (Scopus)

Abstract

Thieno[3,2-b]thiophene (TT) and dithieno[3,2-b;3,2-d]thiophene (DTT) have drawn immense attention in the field of electronics and optoelectronics. In this work, the first examples of TTs (TPE2-TT and TPE3-TT) and a DTT (TPE2-DTT), having tetraphenylethylene (TPE) at the periphery exhibiting aggregation induced emission (AIE) in OLEDs, were designed and synthesized by the Suzuki coupling reaction. Their properties were investigated through experimental and computational studies, as well as X-ray diffraction and DFT optimization. TPE2-TT showed excellent device performance with a maximum luminance of 11620 cd m-2, a maximum current efficiency of 6.17 cd A-1 and a maximum external quantum efficiency of 2.43%. Moreover, these synthetically easily accessible molecules have high thermal stability, which makes them perfectly suitable for optical applications. This journal is.

Original language	English
Pages (from-to)	7908-7915
Number of pages	8
Journal	Journal of Materials Chemistry C
Volume	8
Issue number	23
DOIs	https://doi.org/10.1039/d0tc01715a
Publication status	Published - 21 Jun 2020

Bibliographical note

Publisher Copyright:
© The Royal Society of Chemistry.

Funding

We thank Dr Cansu Aydogan of ITU Chemistry Department for kind help with some measurements. We thank Higher Education Council of Turkey (YOK) and TUBITAK grants to Recep Isci (PhD, 100/2000 YOK and 2211A BIDEP/TUBITAK) and Unsped Global Lojistik, Turkey for financial support.

Funders	Funder number
Higher Education Council of Turkey
YOK	2211A BIDEP/TUBITAK

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abstract = "Thieno[3,2-b]thiophene (TT) and dithieno[3,2-b;3,2-d]thiophene (DTT) have drawn immense attention in the field of electronics and optoelectronics. In this work, the first examples of TTs (TPE2-TT and TPE3-TT) and a DTT (TPE2-DTT), having tetraphenylethylene (TPE) at the periphery exhibiting aggregation induced emission (AIE) in OLEDs, were designed and synthesized by the Suzuki coupling reaction. Their properties were investigated through experimental and computational studies, as well as X-ray diffraction and DFT optimization. TPE2-TT showed excellent device performance with a maximum luminance of 11620 cd m-2, a maximum current efficiency of 6.17 cd A-1 and a maximum external quantum efficiency of 2.43%. Moreover, these synthetically easily accessible molecules have high thermal stability, which makes them perfectly suitable for optical applications. This journal is.",

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AU - Isci, Recep

AU - Tekin, Emine

AU - Kaya, Kerem

AU - Piravadili Mucur, Selin

AU - Gorkem, Sultan Funda

AU - Ozturk, Turan

PY - 2020/6/21

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Tetraphenylethylene substituted thienothiophene and dithienothiophene derivatives: Synthesis, optical properties and OLED applications

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