Journal
GREEN PROCESSING AND SYNTHESIS
Volume 8, Issue 1, Pages 382-390Publisher
WALTER DE GRUYTER GMBH
DOI: 10.1515/gps-2019-0005
Keywords
green synthesis; Helianthus annuus; Ag-Co3O4; photo degradation; methyl orange
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In this study, Co3O4 and Ag-Co3O4 were synthesized by a novel and green method using leaves extract of Helianthus annuus from cobalt nitrate and silver nitrate. The synthesized particles were characterized using X-ray powder diffraction, thermal gravimetric analyses, scanning electron microscopy, particle size analyses and UV-Visible spectroscopy. The photo catalytic activities of synthesized Co3O4 and Ag-Co3O4 were appraised by degrading methyl orange dye and after 120 minutes of reaction a degradation of 53 and 87% was achieved using 100 mg/L (50 mL) solution of methyl orange and 0.1 g Co3O4 and Ag-Co3O4 as catalyst respectively. This green synthesis of Ag-Co3O4 proves to be an eco-benign, environmental benign, simple and effective approach for degradation of dyes in aqueous medium.
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