Light‐Induced Water Splitting with Hematite: Improved Nanostructure and Iridium Oxide Catalysis | Zendy

Tilley S. David | Zendy; Cornuz Maurin | Zendy; Sivula Kevin | Zendy; Grätzel Michael | Zendy

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Light‐Induced Water Splitting with Hematite: Improved Nanostructure and Iridium Oxide Catalysis

Author(s) -

Tilley S. David,

Cornuz Maurin,

Sivula Kevin,

Grätzel Michael

Publication year - 2010

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201003110

Subject(s) - hematite , tin oxide , water splitting , oxide , nanostructure , catalysis , fluorine , iron oxide , materials science , nanotechnology , inorganic chemistry , chemistry , photocatalysis , metallurgy , biochemistry

Revved‐up rust! Light‐induced water splitting over iron oxide (hematite) has been achieved by using a particle‐assisted deposition technique and IrO 2 ‐based surface catalysis. Photocurrents in excess of 3 mA cm −2 were obtained at +1.23 V versus the reversible hydrogen electrode under AM 1.5 G 100 mW cm −2 simulated sunlight. These photocurrents are unmatched by any other oxide‐based photoanode. FTO=fluorine‐doped tin oxide.

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