Direct (hetero)arylation polymerization, electrochemical and optical properties of regioregular 3-substituted polythiophenes with alkylsulphanyl and alkylsulfonyl groups

Zhang, Qiang; Chang, MengHan; Fan, Zhanhui; Deng, Ludi; Lu, Yan

doi:10.1016/j.eurpolymj.2022.111032

Cited by 3 publications

(2 citation statements)

References 42 publications

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“…By the onset absorption wavelength in thin film, the

can be indeed estimated: the results display a vivid bandgap decrease from 1.95–2.00 to 1.80–1.85 eV for P2a-b and P1a-b , respectively ( Table 3 ). The trend of

and

among P1a-b and P2a-b , is roughly the same: the energy difference between optical and electrochemical band gaps, varying from 0.14 to 0.35 eV, can be ascribed to the exciton binding energy [ 51 ], which lies in the range of 0.2–0.3 eV for common polyalkylthiophenes [ 52 ].…”

Section: Resultsmentioning

confidence: 99%

Ionic Push–Pull Polythiophenes: A Further Step towards Eco-Friendly BHJ Organic Solar Cells

et al. 2022

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Four new conjugated polymers alternating benzothiadiazole units and thiophene moieties functionalized with ionic phosphonium or sulfonic acid salts in the side chains were synthesized by a postfunctionalization approach of polymeric precursors. The introduction of ionic groups makes the conjugated polymers soluble in water and/or polar solvents, allowing for the fabrication of bulk heterojunction (BHJ) solar cells using environmentally friendly conditions. All polymers were fully characterized by spectroscopic, thermal, electrochemical, X-ray diffraction, scanning electron, and atomic force techniques. BHJ solar cells were obtained from halogen-free solvents (i.e., ethanol and/or anisole) by blending the synthesized ionic push–pull polymers with a serinol-fullerene derivative or an ionic homopolymer acting as electron-acceptor (EA) or electron-donor (ED) counterparts, respectively. The device with the highest optical density and the smoothest surface of the active layer was the best-performing, showing a 4.76% photoconversion efficiency.

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“…By the onset absorption wavelength in thin film, the

can be indeed estimated: the results display a vivid bandgap decrease from 1.95–2.00 to 1.80–1.85 eV for P2a-b and P1a-b , respectively ( Table 3 ). The trend of

and

Section: Resultsmentioning

confidence: 99%

Ionic Push–Pull Polythiophenes: A Further Step towards Eco-Friendly BHJ Organic Solar Cells

et al. 2022

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“…The popularity of PTh serves as a leading example used to understand the importance of material synthesis [199]. A significant breakthrough has been achieved in the modulation of the formation of beta-substituted thiophene monomers and their sequential polymerization, resulting in solution-processable PTh derivatives [200]. Interesting results have been obtained in terms of improved conductivity after p-doping, and these results serve as the basis for exploring diverse potential applications for PTh-based materials.…”

Section: Effect Of Pani Structure and Morphology On Transducer Fabric...mentioning

confidence: 99%

Advances in the Use of Conducting Polymers for Healthcare Monitoring

Le,

Yoon

2024

IJMS

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Conducting polymers (CPs) are an innovative class of materials recognized for their high flexibility and biocompatibility, making them an ideal choice for health monitoring applications that require flexibility. They are active in their design. Advances in fabrication technology allow the incorporation of CPs at various levels, by combining diverse CPs monomers with metal particles, 2D materials, carbon nanomaterials, and copolymers through the process of polymerization and mixing. This method produces materials with unique physicochemical properties and is highly customizable. In particular, the development of CPs with expanded surface area and high conductivity has significantly improved the performance of the sensors, providing high sensitivity and flexibility and expanding the range of available options. However, due to the morphological diversity of new materials and thus the variety of characteristics that can be synthesized by combining CPs and other types of functionalities, choosing the right combination for a sensor application is difficult but becomes important. This review focuses on classifying the role of CP and highlights recent advances in sensor design, especially in the field of healthcare monitoring. It also synthesizes the sensing mechanisms and evaluates the performance of CPs on electrochemical surfaces and in the sensor design. Furthermore, the applications that can be revolutionized by CPs will be discussed in detail.

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