Characterization, microbial and catalytic application of V 2 O 5 nanoparticles prepared from Schiff base complexes as pr
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Ó Indian Academy of Sciences Sadhana (0123456789().,-volV)FT3](0123456 789().,-volV)
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Characterization, microbial and catalytic application of V2O5 nanoparticles prepared from Schiff base complexes as precursor MOHAMMAD NASIR UDDINa,* , MD. SAIFUR RAHMANa, WAHHIDA SHUMIb, MD. KAMRUL HOSSAINa and A K M ATIQUE ULLAHc a Department
of Chemistry, University of Chittagong, Chittagong 4331, Bangladesh of Microbiology, University of Chittagong, Chittagong 4331, Bangladesh c Nanoscience and Technology Research Laboratory, Chemistry Division, Atomic Energy Center, Bangladesh Atomic Energy Commission, Dhaka 1000, Bangladesh E-mail: [email protected]; [email protected] b Department
MS received 8 June 2020; revised 4 August 2020; accepted 5 August 2020
Abstract. Vanadium pentoxide (V2O5) nanoparticles have gained much attention due to their simple synthesis, a wide range of chemical, industrial, biological, and medicinal applications including anti-inflammation, antioxidant, anti-microbial activities. Vanadium complexes of Schiff bases were used as a precursor to synthesis vanadium pentoxide (V2O5) nanoparticles. The precursor Schiff base complexes were obtained by mixing vanadyl acetylacetonate with the prepared Schiff base ligands maintaining a ratio 1:1. After that V2O5 nanoparticles (denoted by C-1, C-2, C-3 and C-4) were synthesized by the direct calcination method based on thermal evaporation-condensation of vanadium complexes at 600 °C for 3 h. Finally, the analytical tools such as FTIR, XRD, EDS and SEM provided evidence in favor of the formation of V2O5 nanoparticles. In addition, microbial study and photocatalytic activity were carried out using a spectrophotometer. An antimicrobial study showed that all the prepared V2O5 nanoparticles have inhibition capacity against the growth of some selected human pathogenic bacteria and few of them against plant pathogenic fungi. Moreover, these V2O5 nanoparticles have photocatalytic activity since these particles degrade organic dye, Eosin yellow. Keywords. Vanadium pentoxide; nanoparticles; microbial; photocatalytic; Eosin yellow. Abbreviations NPs Nanoparticles HOMO Highest occupied molecular orbital LUMO Lowest unoccupied molecular orbital FT-IR Furrier transfer infrared XRD X-ray diffraction SEM Scanning electron microscope EDS Energy dispersive spectroscopy DMSO Dimethyl sulfoxide
1. Introduction Nanostructured one-dimensional (1D) transition metal oxides show greater interest because of their fascinating magnetic, optical, electrical properties in
addition to their chemical and thermal stability.1 Nano-sized Vanadium pentoxide (V2O5) have gained significant attention due to their structural, chemical and physical properties2 increasing the surface to volume ratio.3 It is n-type semiconducting material and the most stable oxide with a wide bandgap (Eg) of 2.2-2.3 eV,4, 5 interesting photocatalysis6 and electrochemical7, 8 performances. V2O5 is used as a catalyst during decarbonylative halogenation of aldehyde.9, 10 Among V2O5 nanoparticles, non-bonded
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