Sprick, RS;
Bonillo, B;
Clowes, R;
Guiglion, P;
Brownbill, NJ;
Slater, BJ;
Blanc, F;
... Cooper, AI; + view all
(2016)
Visible-light-driven hydrogen evolution using planarized conjugated polymer photocatalysts.
Angewandte Chemie International Edition
, 55
(5)
pp. 1792-1796.
10.1002/anie.201510542.
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Abstract
Linear poly(p-phenylene)s are modestly active UV photocatalysts for hydrogen production in the presence of a sacrificial electron donor. Introduction of planarized fluorene, carbazole, dibenzo[b,d]thiophene or dibenzo[b,d]thiophene sulfone units greatly enhances the H2 evolution rate. The most active dibenzo[b,d]thiophene sulfone co-polymer has a UV photocatalytic activity that rivals TiO2 , but is much more active under visible light. The dibenzo[b,d]thiophene sulfone co-polymer has an apparent quantum yield of 2.3 % at 420 nm, as compared to 0.1 % for platinized commercial pristine carbon nitride.
Type: | Article |
---|---|
Title: | Visible-light-driven hydrogen evolution using planarized conjugated polymer photocatalysts |
Location: | Germany |
Open access status: | An open access version is available from UCL Discovery |
DOI: | 10.1002/anie.201510542 |
Publisher version: | http://dx.doi.org/10.1002/anie.201510542 |
Language: | English |
Additional information: | With correction first published on 27 February 2018. - Copyright © 2016 The Authors. This is an open access article under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits use, distribution and reproduction in any medium, provided the original work is properly cited. |
Keywords: | conjugated polymer, extended conjugation, photocatalysis, planarization, water splitting |
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/1476625 |
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