Angewandte Chemie - International Edition
Angewandte Chemie - International Edition
5 years ago

Dendritic Hematite Nanoarray Photoanode Modified with a Conformal Titanium Dioxide Interlayer for Effective Charge Collection

Dendritic Hematite Nanoarray Photoanode Modified with a Conformal Titanium Dioxide Interlayer for Effective Charge Collection
Zhibin Luo, Jijie Zhang, Chengcheng Li, Jinlong Gong, Huimin Li, Tuo Wang
The modification of a hematite nanoarray photoanode with a TiO2 interlayer by atomic layer deposition is described by J. Gong and co-workers in their Communication (DOI: 10.1002/anie.201705772). This interlayer serves as both a passivation layer and a Ti4+ dopant source for the bulk hematite; it suppresses interfacial charge recombination and simultaneously improves the hematite bulk conductivity. A very high photocurrent for photoelectrochemical (PEC) water oxidation was achieved with this dendritic hematite photoanode upon addition of an iron oxide hydroxide co-catalyst.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/anie.201708426

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