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Facile Synthesis of SrCO?-Sr(OH)?/PPy Nanocomposite with Enhanced Photocatalytic Activity under Visible Light.

ABSTRACT: Pyrrole monomer was chemically polymerized onto SrCO?-Sr(OH)? powders to obtain SrCO?-Sr(OH)?/polypyrrole nanocomposite to be used as a candidate for photocatalytic degradation of methylene blue dye (MB). The material was characterized by Fourier transform infrared (FTIR) spectroscopy, UV/Vis spectroscopy, and X-ray diffraction (XRD). It was observed from transmission electronic microscopy (TEM) analysis that the reported synthesis route allows the production of SrCO?-Sr(OH)? nanoparticles with particle size below 100 nm which were embedded within a semiconducting polypyrrole matrix (PPy). The SrCO?-Sr(OH)? and SrCO?-Sr(OH)?/PPy nanocomposites were tested in the photodegradation of MB dye under visible light irradiation. Also, the effects of MB dye initial concentration and the catalyst load on photodegradation efficiency were studied and discussed. Under the same conditions, the efficiency of photodegradation of MB employing the SrCO?-Sr(OH)?/PPy nanocomposite increases as compared with that obtained employing the SrCO?-Sr(OH)? nanocomposite.

SUBMITTER: Marquez-Herrera A 

PROVIDER: S-EPMC5456521 | biostudies-literature | 2016 Jan

REPOSITORIES: biostudies-literature

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Facile Synthesis of SrCO₃-Sr(OH)₂/PPy Nanocomposite with Enhanced Photocatalytic Activity under Visible Light.

Márquez-Herrera Alfredo A   Ovando-Medina Victor Manuel VM   Castillo-Reyes Blanca Estela BE   Zapata-Torres Martin M   Meléndez-Lira Miguel M   González-Castañeda Jaquelina J  

Materials (Basel, Switzerland) 20160106 1

Pyrrole monomer was chemically polymerized onto SrCO₃-Sr(OH)₂ powders to obtain SrCO₃-Sr(OH)₂/polypyrrole nanocomposite to be used as a candidate for photocatalytic degradation of methylene blue dye (MB). The material was characterized by Fourier transform infrared (FTIR) spectroscopy, UV/Vis spectroscopy, and X-ray diffraction (XRD). It was observed from transmission electronic microscopy (TEM) analysis that the reported synthesis route allows the production of SrCO₃-Sr(OH)₂ nanoparticles with  ...[more]

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