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has been cited by the following article:

• TITLE: Light Induced Green Synthesis of Silver Nanoparticles Using Aqueous Extract of Prunus amygdalus

  AUTHORS: Sista Kameswara Srikar, Deen Dayal Giri, Dan Bahadur Pal, Pradeep Kumar Mishra, Siddh Nath Upadhyay

  KEYWORDS: AgNPs, Nano-Particles, Green Synthesis, Prunus amygdalus

  JOURNAL NAME: Green and Sustainable Chemistry, Vol.6 No.1, February 25, 2016

  ABSTRACT: Light driven, photon mediated green synthesis of silver nano-particles (AgNPs) was carried out using aqueous silver nitrate solution (1 mM) and aqueous extract of almond (Prunus amygdalus). Experiments were carried out in dark, diffused sunlight and direct sunlight to study the influence of light intensity as well as by wrapping the reaction tubes with colored cellophane filters (violet, green, yellow and red) to investigate the effect of light color on AgNP synthesis. It was observed that the violet filter enhanced the AgNPs synthesis appreciably. The FTIR spectroscopic analysis confirmed participation of bio-molecules with hydroxyl and amide groups present in the almond extract as reducing and capping or stabilizing agents, respectively. Dynamic light scattering (DLS) studies revealed the particle size distribution of nano-particles as 2 – 400 nm, and scanning electron microscopy (SEM) confirmed their spherical shape with an average size of about 20 nm. Growth analysis of AgNPs revealed an increase in number of nano-particles with time, whereas their rate of growth decreased gradually. The AgNP suspension was stable even beyond 3 weeks.