Covalently linked thieno[2,3-b]thiophene-fullerene dimers: synthesis and physical characterization

Abdulrahman M. Alazemi; Mohammad H. BinSabt; Hamad M. Al-Matar; Alan L. Balch; Mona A. Shalaby

doi:10.1039/D4OB00027G

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Covalently linked thieno[2,3-b]thiophene-fullerene dimers: synthesis and physical characterization†

Abdulrahman M. Alazemi,

*^a Mohammad H. BinSabt,

^a Hamad M. Al-Matar,

^a Alan L. Balch

^b and Mona A. Shalaby

Author affiliations

* Corresponding authors

^a Chemistry Department, Faculty of Science, University of Kuwait, P.O. Box 5969, Safat 13060, Kuwait
E-mail: a.alazmi@ku.edu.kw

^b Department of Chemistry, University of California at Davis, One Shields Avenue, Davis, California 95616, USA

Abstract

Thienothiophene (TT) has received great attention in the fields of electronics and optoelectronics. Here we report a synthesis and characterization of fullerene-donor-fullerene triads linked to thieno[2,3-b]thiophene as a donor. The photophysical and electrochemical properties of the new dumbbells were investigated using UV-vis spectroscopy, fluorescence spectroscopy, cyclic voltammetry, and square wave voltammetry. The results showed that both compounds have higher LUMO energy levels than PC₆₁BM, indicating that they can be used in photovoltaic applications. Furthermore, the powder was structurally and morphologically characterized via X-ray diffraction (XRD) and scanning electron microscopy (SEM). The SEM revealed the morphological characterization of the two derivatives as globular and urchin-like supramolecular assemblies.

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Article information

DOI: https://doi.org/10.1039/D4OB00027G
Article type: Paper
Submitted: 07 Jan 2024
Accepted: 19 Feb 2024
First published: 28 Feb 2024

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Org. Biomol. Chem., 2024,22, 2978-2984

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Covalently linked thieno[2,3-b]thiophene-fullerene dimers: synthesis and physical characterization

A. M. Alazemi, M. H. BinSabt, H. M. Al-Matar, A. L. Balch and M. A. Shalaby, Org. Biomol. Chem., 2024, 22, 2978 DOI: 10.1039/D4OB00027G

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Organic & Biomolecular Chemistry

Covalently linked thieno[2,3-b]thiophene-fullerene dimers: synthesis and physical characterization†

Abstract

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Covalently linked thieno[2,3-b]thiophene-fullerene dimers: synthesis and physical characterization

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