Conjugated polymers and small molecules containing the thiophene–vinylene–thiophene (TVT) unit for organic photovoltaic applications

Wang, Zongtao; Lei, Peng; Dong, Chuanqi; Cong, Peiqing; Geng, Yanfang; Chen, You; Zeng, Qingdao; Tang, Ailing; Zhou, Erjun

doi:10.1039/d3ta01651j

Cited by 2 publications

(1 citation statement)

References 125 publications

(178 reference statements)

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“…Firstly, the 2D-extended rigid conjugated structure of AQI could change molecular dipole moment and intermolecular interaction, which could finetune the molecular packing behaviors of the target molecules. 39 As mentioned above, the shamrock-shaped backbone may also form a different molecular stacking pattern in the crystal than the banana-shaped backbone. Secondly, combining the electron-withdrawing imides with Qx could adjust the ICT effect and thus change molecular energy levels and light absorption.…”

Section: Introductionmentioning

confidence: 98%

Shamrock-shaped non-fullerene acceptors enable high-efficiency and high-voltage organic photovoltaics

Wang,

Ji,

Tang

et al. 2024

Energy Environ. Sci.

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Section: Introductionmentioning

confidence: 98%

Shamrock-shaped non-fullerene acceptors enable high-efficiency and high-voltage organic photovoltaics

Wang,

Ji,

Tang

et al. 2024

Energy Environ. Sci.

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Molecular Design and Organic Photovoltaic Applications of Carboxylate‐Functionalized P‐type Polymers

Du,

Li,

et al. 2024

Adv Funct Materials

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The significant progress of p‐type and n‐type active layer materials in the past several years has pushed the power conversion efficiency (PCE) of organic solar cells (OSCs) toward 19%. Due to the relatively low synthesis cost and simple synthesis method of carboxylate‐containing building blocks, including thiophene, thieno[3,2‐b]thiophene, thieno[3,4‐b]thiophene, furan, pyrazine, benzodithiophene, benzothiazole, quinoxaline, etc., are widely used to construct p‐type photovoltaic polymers. These resulting carboxylate‐bearing polymers present downward energy levels, high absorption coefficient, narrow bandgap, high hole mobility, and strong aggregation behavior, which have dabbled in the fabrication of mechanically stretchable, semitransparent, indoor, and tandem OSCs, etc., and produce excellent photovoltaic performance. The low‐cost carboxylate‐containing copolymers exhibit a satisfying PCE approaching 17%, and the random terpolymer systems achieve a high PCE over 19%. This review focuses on the progress of carboxylate‐containing photovoltaic polymers, summarizes the molecular characteristics, discusses their structure‐performance relationship, and offers a summary and outlook on the challenges for future molecular development.

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Conjugated polymers and small molecules containing the thiophene–vinylene–thiophene (TVT) unit for organic photovoltaic applications

Abstract: Thiophene-vinylene-thiophene (TVT) is a well-known building block of organic photovoltaic materials, in which TVT can serve as either an electron-donating (D) unit or an electron-accepting (A) unit according to its...

Cited by 2 publications

References 125 publications

Shamrock-shaped non-fullerene acceptors enable high-efficiency and high-voltage organic photovoltaics

Shamrock-shaped non-fullerene acceptors enable high-efficiency and high-voltage organic photovoltaics

Molecular Design and Organic Photovoltaic Applications of Carboxylate‐Functionalized P‐type Polymers

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