Journal
ACS CATALYSIS
Volume 5, Issue 6, Pages 3786-3790Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cs502115f
Keywords
water oxidation; photoanode; light-driven water splitting; molecular catalyst; polymer
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Funding
- Swedish Energy Agency
- Knut and Alice Wallenberg Foundation
- Swedish Research Council
- National Natural Science Foundation of China [21120102036, 91233201]
- National Basic Research Program of China (973 program) [2014CB239402]
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The molecular water oxidation catalyst 1 was electrochemically polymerized on a dye-sensitized TiO2 electrode and an Fe2O3 nanorod electrode. High photocurrent densities of ca. 1.4 mA cm(-2) for poly-1+RuP@TiO2 and ca. 0.4 mA cm(-2) for poly-1@Fe2O3 were achieved under pH-neutral conditions. A kinetic isotope effect (KIE) study on poly-1+RuP@TiO2 shows that poly-1 catalyzes water oxidation on the surface of TiO2 via a radical coupling mechanism.
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