Enhanced photocatalytic degradation of RO16 dye using Ag modified ZnO nanopowders prepared by the solvothermal method | Zendy

Bojana Simović | Zendy; Dejan Poleti | Zendy; Aleksandar Golubović | Zendy; Aleksandar Matković | Zendy; M. Šćepanović | Zendy; Biljana Babić | Zendy; Goran Branković | Zendy

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Enhanced photocatalytic degradation of RO16 dye using Ag modified ZnO nanopowders prepared by the solvothermal method

Author(s) -

Bojana Simović,

Dejan Poleti,

Aleksandar Golubović,

Aleksandar Matković,

M. Šćepanović,

Biljana Babić,

Goran Branković

Publication year - 2017

Publication title -

processing and application of ceramics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.326

H-Index - 15

eISSN - 2406-1034

pISSN - 1820-6131

DOI - 10.2298/pac1701027s

Subject(s) - materials science , photocatalysis , ethylene glycol , crystallite , raman spectroscopy , methyl orange , chemical engineering , mesoporous material , nuclear chemistry , sodium hydroxide , bet theory , specific surface area , nanoparticle , nanotechnology , catalysis , metallurgy , organic chemistry , physics , optics , engineering , chemistry

In this work, Zn(CH3COO)2 · 2 H2O with AgNO3 content from 0 to 6 mol% was solvothermally treated at 120 °C for 18 h in the presence of poly(vinyl pyrrolidone), ethylene glycol and sodium hydroxide. The structural, microstructural and photocatalytic properties of the unmodified and Ag modified ZnO powders have been investigated by the XRPD, FESEM, TEM, UV-vis, Raman and BET techniques. The Ag modified samples consist of ZnO nanocrystals and metallic Ag on the surface. The average crystallite size of all samples was about 20 nm. The FESEM revealed the uniformity in size and approximately spherical shape of ZnO nanoparticles. The BET data suggest that all prepared samples are mesoporous. All prepared samples showed higher photocatalytic efficiency in the degradation of the Reactive Orange 16 (RO16) azo dye than the commercial ZnO. In addition, Ag modified ZnO powders, especially those with 1.5 and 0.75 mol% of Ag, were more efficient than the unmodified one

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