Biosynthesis Of Silver Nanoparticles Using Convolvulus Pluricaulis Leaf Extract And Assessment Of Their Catalytic, Electrocatalytic And Phenol Remediation Properties

Shadakshari Sandeep1, Arehalli S. Santhosh1, Ningappa Kumara Swamy1, 2*, Gurukar S. Suresh3, Jose S. Melo4, Puttaswamappa Mallu1

1Department of Chemistry, Sri Jayachamarajendra College of Engineering, Mysore 570006, India

2J. S. S. Research Foundation, SJCE Campus, Mysore 570006, India

3Department of Chemistry and Research Centre, N. M. K. R. V. College for Women, Bangalore 560011, India

4Nuclear Agriculture and Biotechnology Division, Bhabha Atomic Research Centre, Mumbai 400085, India

Adv. Mater. Lett., 2016, 7 (5), pp 383-389

DOI: 10.5185/amlett.2016.6067

Publication Date (Web): Apr 04, 2016

E-mail: kumaryagati@gmail.com

Abstract


In the present work, we report on the biosynthesis of silver nanoparticles (AgNPs) using leaf extract of Convolvulus pluricaulis (Shankapushpi, bindweed) at room temperature. Synthesis of AgNPs is carried out by incubating the leaf extract in presence of AgNO3. Formation of AgNPs is confirmed by the appearance of a prominent surface plasmon resonance band in the UV-visible spectrum at 420 nm. The biosynthesized AgNPs are characterized by powder X-ray diffraction (XRD) studies, Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), transmission electron microscopy (TEM), thermo gravimetric analysis (TGA) and differential thermo gravimetric (DTG) analysis. Further, the biosynthesized AgNPs are investigated for their catalytic, electrocatalytic and phenol remediation properties. The investigations revealed that the biosynthesized AgNPs excel in their respective applications. Based on the results, present study concludes that AgNPs can be biosynthesized using leaf extract of Convolvulus pluricaulis and further can be employed for applications in electrochemical sensing, dye degradation and phenol remediation. 

Keywords

Biosynthesis, electrocatalytic activity, phenol remediation, dye degradation.

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