Subtle structural modification of thiophene-fused benzotriazole unit to simultaneously improve the JSC and VOC of OSCs

Zhang, Yajing; Zhong, Cheng; Cai, Guilong; Li, Yawen; Wang, Jiayu; Lu, Heng; Jia, Boyu; Lu, Xinhui; Lin, Yuze; Zhan, Xiaowei; Chen, Xingguo

doi:10.1039/d3tc03890d

J. Mater. Chem. C

2024

DOI: 10.1039/d3tc03890d

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Subtle structural modification of thiophene-fused benzotriazole unit to simultaneously improve the J_SC and V_OC of OSCs

Yajing Zhang,

Cheng Zhong,

Guilong Cai

et al.

Abstract: In this work, a new electron-accepting unit has been designed through introducing two F atoms simultaneously at alpha,beta-positions of thiophene fused benzotriazole unit (ffBTAZT) to build a new D-A conjugated...

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Cited by 2 publications

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Benzobisthiazole unit in 4,8-connection mode to build D–A polymer donors achieving high short-circuit current density for organic solar cells

Wang,

Zhang,

Liu

et al. 2024

J. Mater. Chem. C

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Benzobisthiazole unit in 4,8-connection mode to build D–A polymer donors achieving high short-circuit current density for organic solar cells

Wang,

Zhang,

Liu

et al. 2024

J. Mater. Chem. C

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The Double-Cross of Benzotriazole-Based Polymers as Donors and Acceptors in Non-Fullerene Organic Solar Cells

Crociani

2024

Molecules

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Organic solar cells (OSCs) are considered a very promising technology to convert solar energy to electricity and a feasible option for the energy market because of the advantages of light weight, flexibility, and roll-to-roll manufacturing. They are mainly characterized by a bulk heterojunction structure where a polymer donor is blended with an electron acceptor. Their performance is highly affected by the design of donor–acceptor conjugated polymers and the choice of suitable acceptor. In particular, benzotriazole, a typical electron-deficient penta-heterocycle, has been combined with various donors to provide wide bandgap donor polymers, which have received a great deal of attention with the development of non-fullerene acceptors (NFAs) because of their suitable matching to provide devices with relevant power conversion efficiency (PCE). Moreover, different benzotriazole-based polymers are gaining more and more interest because they are considered promising acceptors in OSCs. Since the development of a suitable method to choose generally a donor/acceptor material is a challenging issue, this review is meant to be useful especially for organic chemical scientists to understand all the progress achieved with benzotriazole-based polymers used as donors with NFAs and as acceptors with different donors in OSCs, in particular referring to the PCE.

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Subtle structural modification of thiophene-fused benzotriazole unit to simultaneously improve the J_SC and V_OC of OSCs

Abstract: In this work, a new electron-accepting unit has been designed through introducing two F atoms simultaneously at alpha,beta-positions of thiophene fused benzotriazole unit (ffBTAZT) to build a new D-A conjugated...

Cited by 2 publications

References 59 publications

Benzobisthiazole unit in 4,8-connection mode to build D–A polymer donors achieving high short-circuit current density for organic solar cells

Benzobisthiazole unit in 4,8-connection mode to build D–A polymer donors achieving high short-circuit current density for organic solar cells

The Double-Cross of Benzotriazole-Based Polymers as Donors and Acceptors in Non-Fullerene Organic Solar Cells

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