Optimizing ZnO/CdS Nano Composite Controlled by Fe Doping Towards Efficiency in Water Treatment and Antimicrobial Activity | Zendy

Jayanta Barman | Zendy; Archana Moni Das | Zendy; Bapan Banik | Zendy; Farhana Sultana | Zendy

Open Access

Optimizing ZnO/CdS Nano Composite Controlled by Fe Doping Towards Efficiency in Water Treatment and Antimicrobial Activity

Author(s) -

Jayanta Barman,

Archana Moni Das,

Bapan Banik,

Farhana Sultana

Publication year - 2021

Publication title -

current world environment

Language(s) - English

Resource type - Journals

eISSN - 2320-8031

pISSN - 0973-4929

DOI - 10.12944/cwe.16.3.6

Subject(s) - high resolution transmission electron microscopy , wurtzite crystal structure , nanocrystalline material , materials science , band gap , doping , rietveld refinement , analytical chemistry (journal) , absorption spectroscopy , zinc , chemical engineering , nuclear chemistry , crystal structure , nanotechnology , crystallography , transmission electron microscopy , chemistry , optics , metallurgy , optoelectronics , organic chemistry , physics , engineering

Nanocrystalline composite zinc oxide (ZnO) and CdS with Fe doping thin films grown on glass substrate by chemical method. The parameters like temperature of the solution, UV exposure, pH of solution, immersion time, immersion cycles, have been controlled and standardized for nanocrystalline film. The synthesis NPs were analyzed by X-ray diffraction (XRD). Rietveld method shows that Fe-doped composite ZnO/CdS is a single pure phase and wurtzite structure. Samples were analyzed by sophisticated various instrument like XRD, UV- Visible spectrometer, HRTEM, HRSEM and composition was analyzed by EDX attached with HRTEM. The band gap was calculated by absorption spectroscopy and found that absorption was blue-shifted. The electron structure shows that doping changes the crystal structure and transition level create better efficiency and creates octahedral symmetry. The antibacterial studies showed that the 5.0 wt% Fe-doped exhibited maximum antibacterial effect.

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