Cover Page April-2015-Advanced Materials Letters

Advanced Materials Letters

Volume 6, Issue 4, Pages 301-308, April 2015
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Synthesis Of Al And Ag Nanoparticles Through Ultra-sonic Dissociation Of Thermal Evaporation Deposited Thin Films For Promising Clinical Applications As Polymer Nanocomposite

Narendra Kumar Agrawal1*, Ravi Agarwal2, Divya Bhatia2, Divya Saxena2, Garima Kedawat3 , K.C. Swami1, Y.K. Vijay3, 4 

1Department of Physics, Malaviya National Institute of Technology, Jaipur 302017, India

2Center for Converging Technologies, University of Rajasthan, Jaipur 302004, India

3Department of Physics, University of Rajasthan, Jaipur 302004, India

4Vivekananda Global University, Jaipur 303012, India

Adv. Mater. Lett., 2015, 6 (4), pp 301-308

DOI: 10.5185/amlett.2015.5625

Publication Date (Web): Mar 21, 2015

E-mail: research.nka@gmail.com

Abstract

Nanoparticles (NPs) having well-defined shape, size and clean surface serve as ideal model system to investigate surface/interfacial reactions. Ag and Al NPs are receiving great interest due to their wide applications in bio-medical field, aerospace and space technology as combustible additives in propellants and hydrogen generation. Hence, in this study, we have synthesized Ag and Al NPs using an innovative approach of ultra-sonic dissociation of thin films. Phase and particle size distributions of the Ag and Al NPs have been determined by X-ray diffraction (XRD) and transmission electron microscopy (TEM). Thin film dissociation/dissolution mechanism, hence conversion into NPs has been characterized by SEM- scanning electron microscope. EDXA & ICPMS have been performed for chemical analysis of NPs. Optical properties have been characterized by UV-Vis and PL spectroscopy. These NPs have also been investigated for their anti-bacterial activity against Escherichia coli bacteria. To the best of our knowledge, this is the first time when NPs has been synthesized by ultra-sonic dissociation of thin films. As an application, these NPs were used further for synthesis of nanocomposite polymer membranes, which show excellent activity against bio film formation.

 

Keywords

Ag and Al Nanoparticles, antibacterial, sterilization, bio-film formation, TEM.

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