Chemistry Synthesis, Characterization and Photocatalysis of KSr2Nb5O15 doped with Nickel

Paulo Cesar Faria

Chemistry Synthesis, Characterization and Photocatalysis of KSr2Nb5O15 doped with Nickel

Paulo Cesar Faria * §

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§ University of the State of Sao Paulo

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.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

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How to Cite This Article

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

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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

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Classification

GJRE-C Classification FOR Code: 290601

Submission ReceivedDecember 11, 2018
Peer Review Double Blind
Handling Editor
Accepted January 2, 2019
Published October 9, 2019

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Issue date

October 9, 2019

Language

English

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Total Score: 101

Country: Brazil

Subject: Global Journal of Research in Engineering - C: Chemical Engineering

Authors: Paulo Cesar Faria (PhD/Dr. count: 0)

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