Abstract
An alloy containing 5 at.% of N was produced by arc melting of Ti and TiN powders. By anodization of the alloy in a 10 wt.% K2HPO4/glycerol electrolyte at 140 °C, oxide mesosponge layers can be formed with thickness as up to several micrometers. X-ray photoelectron spectroscopy confirms nitrogen uptake in the oxide. Photoelectrochemical measurements show successful N-doping of these mesoporous anodic layers with a significant visible light photoresponse.
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The authors would like to acknowledge DFG and the Erlangen DFG Cluster of Excellence for financial support, and Helga Hildebrand for valuable technical help.
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Kim, D., Tsuchiya, H., Fujimoto, S. et al. Nitrogen-doped TiO2 mesosponge layers formed by anodization of nitrogen-containing Ti alloys. J Solid State Electrochem 16, 89–92 (2012). https://doi.org/10.1007/s10008-010-1282-7
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DOI: https://doi.org/10.1007/s10008-010-1282-7