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Photochemical CO2 reduction using structurally controlled g-C3N4

Walsh, JJ; Jiang, C; Tang, J; Cowan, AJ; (2016) Photochemical CO2 reduction using structurally controlled g-C3N4. Physical Chemistry Chemical Physics , 18 (36) pp. 24825-24829. 10.1039/c6cp04525a. Green open access

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Abstract

Graphitic carbon nitride (g-C3N4) synthesised from a urea precursor is an excellent CO2 reduction photocatalyst using [Co(bpy)n]2+ as a co-catalyst. A five-fold increase in activity for the highly polymerised urea derived g-C3N4 is achieved compared to alternative precursors. Transient absorption, time-resolved and steady-state emission studies indicate that the enhanced activity is related to both an increased driving force for photoelectron transfer and a greater availability of photogenerated charges.

Type: Article
Title: Photochemical CO2 reduction using structurally controlled g-C3N4
Open access status: An open access version is available from UCL Discovery
DOI: 10.1039/c6cp04525a
Publisher version: http://doi.org/10.1039/c6cp04525a
Language: English
Additional information: © Royal Society of Chemistry 2016
Keywords: Science & Technology, Physical Sciences, Chemistry, Physical, Physics, Atomic, Molecular & Chemical, Chemistry, Physics, GRAPHITIC CARBON NITRIDE, VISIBLE-LIGHT IRRADIATION, HYDROGEN-PRODUCTION, CHARGE SEPARATION, NI CATALYST, WATER, SEMICONDUCTOR, EVOLUTION, PHOTOCATALYST, COMPLEX
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Chemical Engineering
URI: https://discovery.ucl.ac.uk/id/eprint/1522234
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