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Visible-Light-Driven Hydrogen Evolution Using Planarized Conjugated Polymer Photocatalysts.

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.

SUBMITTER: Sprick RS

PROVIDER: S-EPMC4950146 | biostudies-literature | 2016 Jan

REPOSITORIES: biostudies-literature

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Visible-Light-Driven Hydrogen Evolution Using Planarized Conjugated Polymer Photocatalysts.

Sprick Reiner Sebastian RS Bonillo Baltasar B Clowes Rob R Guiglion Pierre P Brownbill Nick J NJ Slater Benjamin J BJ Blanc Frédéric F Zwijnenburg Martijn A MA Adams Dave J DJ Cooper Andrew I AI

Angewandte Chemie (Weinheim an der Bergstrasse, Germany) 20151222 5

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 H<sub>2</sub> evolution rate. The most active dibenzo[b,d]thiophene sulfone co-polymer has a UV photocatalytic activity that rivals TiO<sub>2</sub>, but is much more active under visible light. The dibenzo[b,d]thiophene sulfone co-po ...[more]

PMID: 27478279

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Visible-Light-Driven Hydrogen Evolution Using Planarized Conjugated Polymer Photocatalysts.

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