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Tuning the morphology and structure of disordered hematite photoanodes for improved water oxidation: A physical and chemical synergistic approach

Liu, Guanyu; Karuturi, Siva Krishna; Chen, Hongjun; Spiccia, Leone; Tan, Hark Hoe; Jagadish, Chennupati; Wang, Dunwei; Simonov, A. N.; Tricoli, Antonio

Description

Design of efficient photoelectrodes for water oxidation requires careful optimization of the morphology and structure of a photoactive material to maximize electrical conductivity and balance carrier diffusion length with light penetration depth. Hematite-based photoanodes can theoretically oxidize water at very high rates, as provided by the optimal band-gap, but their performance is limited by the poor charge transport and low charge separation efficiency. Herein, we have developed...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
URI: http://hdl.handle.net/1885/165437
Source: Nano Energy
DOI: 10.1016/j.nanoen.2018.09.048

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