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Indexed by:Journal Papers

Date of Publication:2015-10-12

Journal:CHEMSUSCHEM

Included Journals:SCIE、EI、Scopus

Volume:8

Issue:19

Page Number:3242-3247

ISSN No.:1864-5631

Key Words:hematite; heterogeneous catalysis; nanorods; ruthenium; water oxidation

Abstract:Photoelectrochemical (PEC) cells for light-driven water splitting are prepared using hematite nanorod arrays on conductive glass as the photoanode. These devices improve the photocurrent of the hematite-based photoanode for water splitting, owing to fewer surface traps and decreased electron recombination resulting from the one-dimensional structure. By employing a molecular ruthenium co-catalyst, which contains a strong 2,6-pyridine-dicarboxylic acid anchoring group at the hematite photoanode, the photocurrent of the PEC cell is enhanced with high stability for over 10000s in a 1m KOH solution. This approach can pave a route for combining one-dimensional nanomaterials and molecular catalysts to split water with high efficiency and stability.