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In Situ Growing of Co2+ Doped TiO2 Film on the Surface of Ti Plate and its Photo-Catalytic Hydrogen Production

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Abstract:

Abstract: The Co2+ doped TiO2 film(Co-TiO2) was prepared by in-situ growing on the pure Ti plate substrate in the electrolyte solution of Na3PO4 containing CoSO4·7H2O by micro-arc oxidation (MAO) process. The effect of the amount of CoSO4·7H2O adding into the electrolyte solution on structure of Co-TiO2 and its activity of photo-catalytic hydrogen production had been studied. It was found that the characteristic peak(101) of anatase phase and the characteristic peak(002) of rutile phase appeared and the red shift of absorption edge occurred for Co-TiO2 films when adding CoSO4 into the electrolyte solution. It was shown from experimental results that the highest hydrogen production rate was 0.33 μmol/ h·cm2 over the above-prepared Co-TiO2 in CoSO4·7H2O content of 8.7 g/L.

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Periodical:

Advanced Materials Research (Volume 1094)

Pages:

137-140

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1094.137

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Online since:

March 2015

Authors:

Xue Feng Bai*, Kui Zhang

Keywords:

Co2+ Doped, Hydrogen Production, Photo-Catalysis, TiO2 Film

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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