Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 9, Issue 32, Pages 17242-17248Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ta04288b
Keywords
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Funding
- Engineering and Physical Sciences Research Council (EPSRC) [EP/N004884/1]
- China Scholarship Council
- University of Strathclyde
- EPSRC [EP/N004884/1] Funding Source: UKRI
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It was found that a polymer based on a triethynylbenzene dibenzo[b,d]thiophene sulfone linker had the highest hydrogen evolution rate under visible illumination, and by further synthetic elaboration of the triethynylbenzene linker, the hydrogen evolution rate was significantly increased.
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.
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