In-situ Cr doped anodized TiO2 nanotubes with increased photocurrent response

Mishra, T and Wang, Lei and Hahn, Robert and Schmuki, Patrik (2014) In-situ Cr doped anodized TiO2 nanotubes with increased photocurrent response. Electrochimica Acta, 132 (IF-4.086). pp. 410-415.

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Abstract

Low-content chromium (Cr) doped titania nanotubes were grown by electrochemical anodization of Ti-Cr alloys in ethylene glycol electrolyte at varying time of anodisation to control the length of the tubes. Surface properties and photocurrent response of anodized layers after annealing at 450-750◦C were evaluated. Nanotubes with 0.02 at% Cr doping activated at 450◦C show a considerably increased photocurrent in comparison to pure anatase titania. This photocurrent increase of the Cr doped titania nanotubes is ascribed to higher anatase crystallinity and lower photoelectrochemical recombination losses.

Item Type:Article
Official URL/DOI:http://www.sciencedirect.com/science/article/pii/S...
Uncontrolled Keywords:Fujishima photoelectrochemical chemical energy nanotubes
Divisions:Material Science and Technology
ID Code:7010
Deposited By:Sahu A K
Deposited On:21 Aug 2014 18:28
Last Modified:04 May 2016 14:28
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