UV‐blocking performance and antibacterial activity of Cd, Ba co‐doped ZnO nanomaterials prepared by a facile wet chemical method

Author:

Samuel John12,Eugin shaji Joseph23,Sahaya Jude Dhas Sathiya Dhas4,Suresh Savarimuthu5,Sherlin vinita Varghese12,Biju Chellaswamy Saraswathy67ORCID

Affiliation:

1. Reg.No: 20123082131014, Research scholar, Department of Physics and Research Centre Malankara Catholic College Mariagiri Kaliakkavilai Tamil Nadu 629153 India

2. Affiliated to Manonmaniam Sundaranar University Abishekapatti Tirunelveli Tamilnadu 627012 India

3. Department of Chemistry Annai Velankanni College Tholayavattam Tamilnadu 629157 India

4. Department of Physics Kings Engineering College Sriperumbudur Chennai Tamilnadu 602 117 India

5. Department of Physics Saveetha Engineering College (Autonomous) Thandalam Tamilnadu 602105 India

6. Assistant Professor, Department of Physics Stella Mary's College of Engineering Aruthenganvilai Azhikal Tamil Nadu 629202 India

7. Formerly Assistant Professor, Department of Physics and Research Centre Malankara Catholic College Mariagiri Kaliakkavilai Tamilnadu 629153 India

Abstract

The utilization of highly efficient ultraviolet (UV)‐attenuating materials has inevitably signaled an ever‐increasing demand to mitigate the impending pessimistic impact of UV rays that consistently depletes the ozone atmosphere. In this context, a highly efficient Cd, Ba co‐doped ZnO nanomaterial has been prepared using a facile wet chemical approach. X‐ray diffractometer analysis indicates the evolution of wurtzite structure of ZnO with a slight peak shift towards the higher angle upon co‐doping which ascertains the impacted lattice contraction. N2 adsorption/desorption isotherms of the material supplement magnificently a typical type‐IV behavior displaying an H1 type hysteresis loop at high pressures whereby authorizing the open meso‐porous characteristics. The resulting Cd, Ba co‐doped ZnO nanorods disclose integrated performances of widespread polychromatic UV–visible luminescent emission, wide band gap, and enhanced UV absorbance. In particular, Cd, Ba co‐doped ZnO nanorods impart a positive UV‐blocking execution of 97% for UVA at 360 nm and 88% for UVB at 320 nm, which is found to be higher than most of the reported ZnO‐related materials. Besides these intriguing aforementioned properties, co‐doping is also appropriate for imparting better bacterial inhibition against the two tested strains (Escherichia coli and Staphylococcus aureus). Altogether, these results indicate that the co‐doped ZnO nanorods developed in the current investigation could potentially serve as a propitious alternative UV‐blocking material, especially for biomedical applications.

Publisher

Wiley

Subject

Materials Chemistry,Surfaces, Coatings and Films,Surfaces and Interfaces,Condensed Matter Physics,General Chemistry

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