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2013 | 11 | 6 | 920-926
Tytuł artykułu

Preparation, characterization and photocatalytic activity of Co3O4/LiNbO3 composite

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Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The Co3O4/LiNbO3 composites were synthesized by impregnation of LiNbO3 in an aqueous solution of cobalt nitrate and next by calcination at 400°C. The activity of produced samples has been investigated in the reaction of photocatalytic hydrogen generation. The crystallographic phases, optical and vibronic properties were studied using X-ray diffraction (XRD), diffuse reflectance (DR) UV-vis and resonance Raman spectroscopic techniques, respectively. The influence of cobalt content (range from 0.5 wt.% to 4 wt.%) on the photocatalytic activity of Co3O4/LiNbO3 composites for photocatalytic hydrogen generation has been investigated. Co3O4/LiNbO3 composites exhibited higher than LiNbO3 photocatalytic activity for hydrogen generation. The highest H2 evolution efficiency was observed for Co3O4/LiNbO3 composite with 3 wt.% cobalt content. The amount of H2 obtained in the presence of LiNbO3 and Co3O4/LiNbO3 (3 wt.% of cobalt content) was 1.38 µmol/min and 2.59 µmol min−1, respectively. [...]
Słowa kluczowe
Wydawca

Czasopismo
Rocznik
Tom
11
Numer
6
Strony
920-926
Opis fizyczny
Daty
wydano
2013-06-01
online
2013-03-28
Twórcy
  • Institute of Chemical and Environment Engineering, West Pomeranian University of Technology, Szczecin 70-322, Szczecin, Poland, bzielinska@zut.edu.pl
  • Department of Sanitary Engineering, West Pomeranian University of Technology, Szczecin 70-310, Szczecin, Poland
  • Institute of Chemical and Environment Engineering, West Pomeranian University of Technology, Szczecin 70-322, Szczecin, Poland
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11532-013-0235-2
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