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Green synthesis of silver nanoparticles

Lookup NU author(s): Gaurav Bhaduri, Ross Little, Professor Lidija Siller

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Abstract

Silver nanoparticles (AgNPs) are currently among the most widely used man-made nanomaterials, present in a huge range of consumer products. Here we report a simple ‘green’ method of AgNP synthesis of using an anionic surfactant without use of any additional reducing agents. It was observed that synthesis of AgNPs at room temperature (25–35 °C) using sodium dodecyl sulphate (SDS) and sunlight. The nanoparticles have been characterised using high-resolution transmission electron spectroscopy (HRTEM), UV–vis spectrophotometry, X-ray photoelectron spectroscopy (XPS) and Fourier Transform Infrared Spectroscopy (FTIR) and are found to have an average diameter of 30 nm. The nanoparticles are water soluble and the nature of the process is amenable to scaling up.

Publication metadata

Author(s): Bhaduri GA, Little R, Khomane RB, Lokhande SU, Kulkarni BD, Mendis BG, Siller L

Publication type: Article

Publication status: Published

Journal: Journal of Photochemistry and Photobiology, A: Chemistry

Year: 2013

Volume: 258

Pages: 1-9

Print publication date: 15/04/2013

ISSN (print): 1010-6030

ISSN (electronic): 1873-2666

Publisher: Elsevier S.A.

URL: http://dx.doi.org/10.1016/j.jphotochem.2013.02.015

DOI: 10.1016/j.jphotochem.2013.02.015

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