Sn doping effects on the structural, microstructural, Seebeck coefficient, and photocatalytic properties of ZnO thin films

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dc.contributor.authorSabrina Roguai
dc.date.accessioned2024-02-18T18:30:46Z
dc.date.available2024-02-18T18:30:46Z
dc.date.issued2022
dc.description.abstractSuccessful ZnO, SnxZn1-xO [x = 0.01 and 0.03] films were synthesized by pyrolysis on glass substrates at Ts = 450 ◦C for 1 h. Sn doping effect on structural, microstructural, Seebeck coefficient and optical characterizations were performed. It found that all films crystallize in the hexagonal würtzite structure. The success of the 1 at.% Sn doping is confirmed by the SEM images which show that the microstructure of the 1 at.% Sn doped ZnO is rather similar to that of the undoped ZnO film and shows spherical grains, by further increasing the Sn content (3 at.%), the films show a small spherical grains. Through FTIR analysis, distinct characteristic absorption peak at 449 cm− 1 for the Zn–O stretching mode with some changes in intensities. ZnO, ZnO:Sn films transmit decrease from 87 to 66% with doping content, while the bandgap energy not affected with doping. The Seebeck coefficient decreases from |188| to |110|μV/K, while the carrier concentration increases from 3.37 × 1018 and 1.00 × 1019cm− 3 with doping content. The photocatalytic activity of Zn1-xSnxO investigated by testing the degradation of methylene blue (MB)
dc.identifier.urihttp://dspace.univ-khenchela.dz:4000/handle/123456789/1513
dc.language.isoen
dc.titleSn doping effects on the structural, microstructural, Seebeck coefficient, and photocatalytic properties of ZnO thin films
dc.typeArticle
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