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Acetylene-linked conjugated polymers for sacrificial photocatalytic hydrogen evolution from water

Liu, L; Kochman, MA; Xu, Y; Zwijnenburg, MA; Cooper, AI; Sprick, RS; (2021) Acetylene-linked conjugated polymers for sacrificial photocatalytic hydrogen evolution from water. Journal of Materials Chemistry A 10.1039/d1ta04288b. (In press). Green open access

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Abstract

Conjugated organic polymers have shown potential as photocatalysts for hydrogen production by water splitting. Taking advantage of a high throughput screening workflow, two series of acetylene-linked co-polymers were prepared and studied for their potential as photocatalysts for sacrificial hydrogen production from water. It was found that a triethynylbenzene-based polymer with a dibenzo[b,d]thiophene sulfone linker (TE11) had the highest performance in terms of hydrogen evolution rate under visible illumination in the presence of a sacrificial hole-scavenger. Synthetically elaborating the triethynylbenzene linker in TE11 by changing the core and by introducing nitrogen, the resulting hydrogen evolution rate was further increased by a factor of nearly two.

Type: Article
Title: Acetylene-linked conjugated polymers for sacrificial photocatalytic hydrogen evolution from water
Open access status: An open access version is available from UCL Discovery
DOI: 10.1039/d1ta04288b
Publisher version: https://doi.org/10.1039/D1TA04288B
Language: English
Additional information: This Open Access Article is licensed under a Creative Commons Attribution 3.0 Unported Licence
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Chemistry
URI: https://discovery.ucl.ac.uk/id/eprint/10131866
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