Simple co-precipitation synthesis of activated carbon-cobalt ferrite (AC-CoFe2O4) nanocomposites: enhanced photocatalytic dye degradation and antimicrobial activity
Author:
Meena Boominathan Catherin1, Dinesh Ayyar2, Ezhlilarasi Joshua Christy1, Ayyar Manikandan34, Pandiyarajan Sabarison5, Kalaivani Semmedu Selvaraj6, Muthukrishnaraj Appusamy7, Jaganathan Saravana Kumar8, Chuang Ho-Chiao5
Affiliation:
1. PG & Research Department of Chemistry , Bishop Heber College , Tiruchirappalli 620 017 , Tamil Nadu , India 2. Department of Chemistry , Government Arts College for Men (Autonomous), Affiliated to the University of Madras , Chennai 600 025 , Tamil Nadu , India 3. Department of Chemistry , Karpagam Academy of Higher Education , Coimbatore 641 021 , Tamil Nadu , India 4. Centre for Material Chemistry , Karpagam Academy of Higher Education , Coimbatore 641 021 , Tamil Nadu , India 5. Department of Mechanical Engineering , National Taipei University of Technology , Taipei , Taiwan 6. Amrita School of Artificial lntelligence, Amrita Vishwa Vidyapeetham , Coimbatore , Tamil Nadu- 641112 , lndia 7. Department of Science and Humanities (Chemistry) , Karpagam Academy of Higher Education , Coimbatore 641 021 , Tamil Nadu , India 8. School of Engineering, College of Health and Science , University of Lincoln , Lincoln , UK
Abstract
Abstract
In this present work, spinel cobalt ferrite nanoparticles (CoFe2O4 NPs) and activated carbon-CoFe2O4 nanocomposites (AC-CoFeO4 NCs) were synthesized by simple co-precipitation method and used for photocatalytic dye degradation (PCD) of rhodamine-B (Rh-B) dye. The antimicrobial study of the as-synthesized CoFe2O4 NPs was also performed. The as-synthesized CoFe2O4 NPs and AC-CoFe2O4 NCs were analyzed by ultraviolet spectroscopy (UV), Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD) studies, scanning electron spectroscopy (FE-SEM) techniques. Powder XRD analysis showed that the as-synthesized CoFeO4 NPs and AC-CoFeO4 NCs had average particle size of 18 nm and 46 nm, respectively. The FE-SEM showed that the CoFe2O4 samples have sphere like morphology and were well decorated on activated carbon in order to provide high surface area. AC-CoFe2O4 NCs have effectively used for the PCD of Rh-B dye with high efficiency. Furthermore, spinel CoFe2O4 NPs acted as a more effective antimicrobial agent against Gram-negative and Gram-positive bacterial strains. Moreover, AC-CoFe2O4 NCs can be used as the precursor materials for supercapacitor, sensors etc.
Publisher
Walter de Gruyter GmbH
Subject
Physical and Theoretical Chemistry
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