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INTERNATIONAL JOURNAL OF PHARMACEUTICAL RESEARCH

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IJPR included in UGC-Approved List of Journals - Ref. No. is SL. No. 4812 & J. No. 63703

Published by : Advanced Scientific Research
ISSN
0975-2366
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IJPR 9[3] July - September 2017 Special Issue

July - September 9[3] 2017

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Microwave-assisted synthesis of ZnO nanoparticles and its photocatalytic activity in degradation of Rhodamine B dye

Author: HASSAN HABEEB, ABEER A.JAFFER
Abstract: Synthesis of ZnO nanoparticles (ZnONPs) using microwave irradiation is carried out by anhydrous hydrazine (N2H4 ). The effect of calcination temperature on the characteristics properties of ZnO NPs have been investigated. Structural and chemical composition ofZnO NPs were characterized X-ray diffraction (XRD )and energy dispersive spectroscopy (EDS ). Morphological properties of synthesized nanoparticleswere analyzed using field emission scanning electron microscopy (FESEM ) andtransmission electron microscopy (TEM ). Fourier transform infrared spectroscopy (FTIR )was used to investigate the presence of functional groups.Atomic force microscopy (AFM ) was adopted to visualize surface topology. UV-Vis diffuse reflectance spectroscopy (DRS)was used to study the optical properties of synthesized materials.The FESEM images show that the materials have spherical and semispherical shapes with sizes of the nanoparticles fall in the nanoscale range. TheXRD results showed that synthesized materials have packs represents diffraction plans of wurzite-type hexagonal ZnO. The photocatalytic degradation of Rhodamine B dye (RB )using the synthesized ZnO NPs under direct solar light was also studied. The photocatalytic degradation process involved effects of ZnO type, ZnO dosage, initial dye concentration.
Keyword: ZnO; Nanparticles; Microwave irradiation; XRD:FESEM: photocatalytic degradation;RB dye
DOI: https://doi.org/10.31838/ijpr/2020.12.01.040
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