Chemistry Synthesis, Characterization and Photocatalysis of KSr2Nb5O15 doped with Nickel

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Paulo Cesar Faria
Paulo Cesar Faria
α Universidade Estadual Paulista (Unesp) Universidade Estadual Paulista (Unesp)

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Chemistry Synthesis, Characterization and Photocatalysis of KSr2Nb5O15 doped with Nickel

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Abstract

Potassium and strontium niobate (KSr 2 Nb 5 O 15 ) of tungsten structure (TB) bronze was doped with nickel (Ni2+) with stoichiometry type KSr 2 Ni x Nb 5-x O 15-δ onde x = 0,25; 0,50 and 0,75. The powders were prepared by chemical synthesis using the modified Polyol method, and characterized by infrared spectroscopy with Fourier transform (FT-IR), by X-ray diffraction (XRD), including the network parameters (relative intensity -I R(KSNNi0,50) ˃ I R(KSNNI0,25) ˃ I R(KSNNI0,75) ) and crystallite size. The effects of doping (Ni2+) in the process of photo degradation were studied, the absorbance as a function of time for the Basic Blue dye 41 result from the photo degradation performed with the photo catalyst KSNNi0,50 presented a lower absorbance value, and the spectrophotometer was used in the UV-vis region. The efficiency and kinetics of better photo catalytic degradation of Basic Blue 41 by catalysts KSr 2 Ni x Nb 5-x O 15-δ where x = 0,25; 0,50 and 0,75 was the system KSr 2 Ni x Nb 5-x O 15-δ where x = 0,50 which was discussed.

References

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Paulo Cesar Faria. 2019. \u201cChemistry Synthesis, Characterization and Photocatalysis of KSr2Nb5O15 doped with Nickel\u201d. Global Journal of Research in Engineering - C: Chemical Engineering GJRE-C Volume 19 (GJRE Volume 19 Issue C2): .

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords
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GJRE-C Classification: FOR Code: 290601
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v1.2

Issue date

October 9, 2019

Language
en
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Potassium and strontium niobate (KSr 2 Nb 5 O 15 ) of tungsten structure (TB) bronze was doped with nickel (Ni2+) with stoichiometry type KSr 2 Ni x Nb 5-x O 15-δ onde x = 0,25; 0,50 and 0,75. The powders were prepared by chemical synthesis using the modified Polyol method, and characterized by infrared spectroscopy with Fourier transform (FT-IR), by X-ray diffraction (XRD), including the network parameters (relative intensity -I R(KSNNi0,50) ˃ I R(KSNNI0,25) ˃ I R(KSNNI0,75) ) and crystallite size. The effects of doping (Ni2+) in the process of photo degradation were studied, the absorbance as a function of time for the Basic Blue dye 41 result from the photo degradation performed with the photo catalyst KSNNi0,50 presented a lower absorbance value, and the spectrophotometer was used in the UV-vis region. The efficiency and kinetics of better photo catalytic degradation of Basic Blue 41 by catalysts KSr 2 Ni x Nb 5-x O 15-δ where x = 0,25; 0,50 and 0,75 was the system KSr 2 Ni x Nb 5-x O 15-δ where x = 0,50 which was discussed.

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Chemistry Synthesis, Characterization and Photocatalysis of KSr2Nb5O15 doped with Nickel

Paulo Cesar Faria
Paulo Cesar Faria Universidade Estadual Paulista (Unesp)

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