OICC Press Journal of Nanostructure in Chemistry 2193-8865 5 1 (March 2015) 2014 12 18 Green synthesis and growth kinetics of nanosilver under bio-diversified plant extracts influence 10.1007/s40097-014-0139-5 EN Enock Olugbenga Dare Department of Chemistry, Federal University Lafia, Lafia, NG Department of Chemistry, Federal University of Agriculture Abeokuta, Abeokuta, NG Charles Ojiefoh Oseghale Department of Chemistry, Federal University Lafia, Lafia, NG Ayomide Hassan Labulo Department of Chemistry, Federal University Lafia, Lafia, NG Elijah Temitope Adesuji Department of Chemistry, Federal University Lafia, Lafia, NG Elias Emeka Elemike Department of Chemistry, Federal University Lafia, Lafia, NG Department of Chemistry, Federal University of Petroleum Resources Effurun, Warri, NG Jude Chinedu Onwuka Department of Chemistry, Federal University Lafia, Lafia, NG Janet Titilayo Bamgbose Department of Chemistry, Federal University of Agriculture Abeokuta, Abeokuta, NG Journal Article 2014 12 18 Abstract In this report, synthesis, growth and formation kinetics of silver nanoparticles mediated by various plant extracts in their biodiversity have been monitored using UV–Vis spectrophotometer by sampling at time intervals during bioreduction process. Plasmon band resonance of the silver nanoparticles was observed as the reaction progresses indicating nucleation and particle formation. There were cases of red shifting indicating particle size increase. In the bioreduction process, onset of nanoparticle nucleation and growth were observed within 2, 5, 10 or 30 min and eventual formation of spherical or quazi-spherical amidst twinned morphology as determined by transmission electron microscope (TEM). The nanosilver growth kinetics mechanism has been probed using a time-resolved UV–Vis in conjunction with TEM following existing Lifshitz–Slyozov–Wagner theory. For some biological extract-mediated synthesis, a single-stage mechanism that is diffusion controlled following Ostwald ripening (OR) is proposed. Whereas, for other bioreduction process, a double stage involving (1) initial OR followed by (2) surface adsorption-oriented attachment is proposed for temporal evolution of the nanosilver in green environment.