• Onkar Pardeshi
• Arun V. Patil

Cobalt-oxide nanoparticles (Co3O4 NPs) were fabricated using Polyalthia longifolia leaves extract from cobalt acetate at room temperature. The synthesized Co3O4 NPs were explored using X-ray powder diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray (EDX), Fourier transform infrared spectroscopy (FTIR), photoluminescence (PL) and UV-DRS techniques. The Co3O4 NPs were in highly uniform shape and size was in the size of 40-60 nm. In view of eco-benign and cost-effective nature, the present investigation revealed that Polyalthia longifolia could be used for the procurable synthesis of Co3O4 NPs.

Green synthesis, Co3O4 NPs, Polyalthia longifolia

"Green synthesis of cobalt oxide nanoparticles using Polyalthia longifolia leaves extract", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.5, Issue 1, page no.1423-1430, January-2018, Available :http://www.jetir.org/papers/JETIR1801258.pdf

"Green synthesis of cobalt oxide nanoparticles using Polyalthia longifolia leaves extract", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 1, page no. pp1423-1430, January-2018, Available at : http://www.jetir.org/papers/JETIR1801258.pdf