Processing polymer photocatalysts for photocatalytic hydrogen evolution

Lyons, Richard Jack; Sprick, Reiner Sebastian

doi:10.1039/d4mh00482e

Mater. Horiz.

2024

DOI: 10.1039/d4mh00482e

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Processing polymer photocatalysts for photocatalytic hydrogen evolution

Richard Jack Lyons,

Reiner Sebastian Sprick

Abstract: The processing of conjugated organic materials into films, nanoparticles, and nanofibers, presents significant opportunities to increase their activity for photocatalytic hydrogen evolution and for scaled-up systems for real world applications.

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Cited by 4 publications

References 205 publications

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CeO2-based functional materials: Advancing photo and electro-driven catalysis for environmental remediation and energy conversion

Zhang,

Zhou,

Sun

et al. 2025

Coordination Chemistry Reviews

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CeO2-based functional materials: Advancing photo and electro-driven catalysis for environmental remediation and energy conversion

Zhang,

Zhou,

Sun

et al. 2025

Coordination Chemistry Reviews

View full text Add to dashboard Cite

Enhanced photocatalytic performance in seawater of donor-acceptor type conjugated polymers through introduction of alkoxy groups in the side chain

Zhang,

Chang,

Wang

et al. 2025

Journal of Colloid and Interface Science

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Preparation-Dependent Photocatalytic Hydrogen Evolution by Organic Semiconducting Nanoparticles

Goh,

Dolan,

de la Perrelle

et al. 2024

ACS Appl. Nano Mater.

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The molecular packing, intermixing, and crystallinity of organic semiconductors are crucial in determining the performance of photovoltaic and photocatalytic systems. The effects of these factors on performance have been thoroughly investigated for organic thin-film photovoltaic systems, but not for nanoparticulate organic photocatalytic systems, as the control of molecular packing has been limited and is challenging for nanoparticulate systems. Here, we investigate how the miniemulsion (ME), reprecipitation (RP), and a cold RP method affect molecular packing and, in turn, the photocatalytic performance of nanoparticles (NPs), using the nonfullerene acceptor Y6 alongside conjugated polymer donors P3HT and PIDT-T8BT. RP and cold RP-based neat Y6 NPs exhibit increased performance relative to the ME-based neat Y6 NPs due to greater exciton dissociation. The cold RP-based neat Y6 NPs produce hydrogen at a rate of 8 mmol g −1 h −1 , which is similar to other previously studied high-performing catalysts, but without the need for a donor material. P3HT:Y6 NPs exhibit low photocatalytic performance, which is likely due to the high miscibility of P3HT and Y6 as well as the low mobility of holes in P3HT domains. In contrast, the PIDT-T8BT:Y6 NPs exhibit significant rates of hydrogen evolution. The RPbased PIDT-T8BT:Y6 NPs outperform the ME and cold RP-based NPs due to a higher degree of intermixing. This work highlights the need to carefully consider the NP preparation method when preparing photocatalytic systems due to its extensive and significant effect on material morphology and, in turn, performance.

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Processing polymer photocatalysts for photocatalytic hydrogen evolution

Abstract: The processing of conjugated organic materials into films, nanoparticles, and nanofibers, presents significant opportunities to increase their activity for photocatalytic hydrogen evolution and for scaled-up systems for real world applications.

Cited by 4 publications

References 205 publications

CeO2-based functional materials: Advancing photo and electro-driven catalysis for environmental remediation and energy conversion

CeO2-based functional materials: Advancing photo and electro-driven catalysis for environmental remediation and energy conversion

Enhanced photocatalytic performance in seawater of donor-acceptor type conjugated polymers through introduction of alkoxy groups in the side chain

Preparation-Dependent Photocatalytic Hydrogen Evolution by Organic Semiconducting Nanoparticles

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