Polythiophene and its derivatives for all-polymer solar cells

Bai, Qingqing; Cheng, Yanxiang; Wang, Wei; Chen, Junwu; Sun, Huiliang

doi:10.1039/d4ta02245a

J. Mater. Chem. A

2024

DOI: 10.1039/d4ta02245a

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Polythiophene and its derivatives for all-polymer solar cells

Qingqing Bai,

Yanxiang Cheng,

Wei Wang

et al.

Abstract: All-polymer solar cells (all-PSCs), employing conjugated polymers for both polymer donors and acceptors within the active layer, offer numerous benefits, such as outstanding mechanical flexibility, device longevity, and suitability for...

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Cited by 3 publications

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Simultaneously Optimizing Molecular Stacking and Phase Separation via Solvent‐Solid Hybrid Additives Enables Organic Solar Cells with over 19% Efficiency^†

Liu,

Shi,

Lai

et al. 2024

Chin. J. Chem.

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Comprehensive SummaryGiven the crucial role of film morphology in determining the photovoltaic parameters of organic solar cells (OSCs), solvent or solid additives have been widely used to realize fine‐tuned film morphological features to further improve the performance of OSCs. However, most high‐performance OSCs are processed only using single component additive, either solvent additive or solid additive. Herein, a simple molecular building block, namely thieno[3,4‐b]thiophene (TT), was utilized as the solid additive to coordinate with the widely used solvent additive, 1‐chloronaphthalene (CN), to modulate the film morphology. Systematical investigations revealed that the addition of TT could prevent the excessive aggregation to form a delicate nanoscale phase separation, leading to enhanced charge transport and suppressed charge recombination, as well as superior photovoltaic performance. Consequently, the PM6:Y6 based OSCs with the addition of hybrid additive of CN + TT demonstrated the optimal PCE of 18.52%, with a notable FF of 79.6%. More impressively, the PM6:Y6:PC71BM based ternary OSCs treated with the hybrid additives delivered a remarkable efficiency of 19.05%, which ranks among the best values of Y6‐based OSCs reported so far. This work highlights the importance of the hybrid additive strategy in regulating the active layer morphology towards significantly improved performance.

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Simultaneously Optimizing Molecular Stacking and Phase Separation via Solvent‐Solid Hybrid Additives Enables Organic Solar Cells with over 19% Efficiency^†

Liu,

Shi,

Lai

et al. 2024

Chin. J. Chem.

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Synergistic interaction and hybrid association of conducting polymer photocatalysts/photoelectrodes for emerging visible light active photocatalytic applications

Hasnan,

Nordin,

Mohamed

2024

J. Mater. Chem. A

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Polymer Materials for Optoelectronics and Energy Applications

Lim

2024

Materials

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This review comprehensively addresses the developments and applications of polymer materials in optoelectronics. Especially, this review introduces how the materials absorb, emit, and transfer charges, including the exciton–vibrational coupling, nonradiative and radiative processes, Förster Resonance Energy Transfer (FRET), and energy dynamics. Furthermore, it outlines charge trapping and recombination in the materials and draws the corresponding practical implications. The following section focuses on the practical application of organic materials in optoelectronics devices and highlights the detailed structure, operational principle, and performance metrics of organic photovoltaic cells (OPVs), organic light-emitting diodes (OLEDs), organic photodetectors, and organic transistors in detail. Finally, this study underscores the transformative impact of organic materials on the evolution of optoelectronics, providing a comprehensive understanding of their properties, mechanisms, and diverse applications that contribute to advancing innovative technologies in the field.

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Polythiophene and its derivatives for all-polymer solar cells

Abstract: All-polymer solar cells (all-PSCs), employing conjugated polymers for both polymer donors and acceptors within the active layer, offer numerous benefits, such as outstanding mechanical flexibility, device longevity, and suitability for...

Cited by 3 publications

References 133 publications

Simultaneously Optimizing Molecular Stacking and Phase Separation via Solvent‐Solid Hybrid Additives Enables Organic Solar Cells with over 19% Efficiency^†

Simultaneously Optimizing Molecular Stacking and Phase Separation via Solvent‐Solid Hybrid Additives Enables Organic Solar Cells with over 19% Efficiency^†

Synergistic interaction and hybrid association of conducting polymer photocatalysts/photoelectrodes for emerging visible light active photocatalytic applications

Polymer Materials for Optoelectronics and Energy Applications

Contact Info

Product

Resources

About

Polythiophene and its derivatives for all-polymer solar cells

Abstract: All-polymer solar cells (all-PSCs), employing conjugated polymers for both polymer donors and acceptors within the active layer, offer numerous benefits, such as outstanding mechanical flexibility, device longevity, and suitability for...

Cited by 3 publications

References 133 publications

Simultaneously Optimizing Molecular Stacking and Phase Separation via Solvent‐Solid Hybrid Additives Enables Organic Solar Cells with over 19% Efficiency†

Simultaneously Optimizing Molecular Stacking and Phase Separation via Solvent‐Solid Hybrid Additives Enables Organic Solar Cells with over 19% Efficiency†

Synergistic interaction and hybrid association of conducting polymer photocatalysts/photoelectrodes for emerging visible light active photocatalytic applications

Polymer Materials for Optoelectronics and Energy Applications

Contact Info

Product

Resources

About

Simultaneously Optimizing Molecular Stacking and Phase Separation via Solvent‐Solid Hybrid Additives Enables Organic Solar Cells with over 19% Efficiency^†

Simultaneously Optimizing Molecular Stacking and Phase Separation via Solvent‐Solid Hybrid Additives Enables Organic Solar Cells with over 19% Efficiency^†