Photoelectrochemical activities and low content Nb-doping effects on one-dimensional self-ordered Nb₂O₅–TiO₂ nanotubes

Pei, Linjuan; Yang, Min; Zhang, Dan; Zhang, Lei; Chen, Peng; Song, Yanyan; Gan, Yang

Photoelectrochemical activities and low content Nb-doping effects on one-dimensional self-ordered Nb₂O₅–TiO₂ nanotubes

2015

Self-ordered Nb₂O₅–TiO₂ nanotube arrays were synthesized by an anodization method from a Ti–Nb alloy. Compared with pure TiO₂ nanotubes, Nb₂O₅–TiO₂ nanotubes show enhanced surface hydrophilicity and low charge-transfer resistance. The beneficial Nb-doping effects also exhibit an improved separation efficiency, leading to higher photocatalytic and photoelectrocatalytic activities.

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