Bio-inspired model of photosystem II: supramolecular assembly of an electron mediator into an SnO2 photoanode co-sensitized by a porphyrin photosensitizer and ruthenium molecular catalyst
Literature Information
Publication Date
2018-01-02
DOI
10.1039/C7SE00515F
Impact Factor
6.367
Authors
Yong Na, Siwen Miao, Li Zhou, Peicheng Wei, Yang Cao
View Original
Abstract
A bio-inspired electron transfer mediator was incorporated via a Zr4+ ion linkage into a photoanode assembled from a porphyrin photosensitizer displaying broad spectral coverage in the visible region and a ruthenium water oxidation catalyst. Incorporation of the electron mediator suppressed unwanted charge recombination and facilitated the transfer of charge from aqueous electrolyte to the photoanode, resulting in an increase in the photocurrent. A remarkable enhancement of faradaic efficiency for oxygen evolution upon introduction of the mediator was observed in the photoelectrochemical cell.
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