Green synthesis of silver nanoparticles from stem bark extract of Terminalia tomentosa Roxb. (Wight and Arn.)

Willy Shah; Ujwala Patil; Abhishek Sharma

Abstract

Green synthesis of silver nanoparticles from stem bark extract of Terminalia tomentosa Roxb. (Wight & Arn.)

Author(s): Willy Shah, Ujwala Patil, Abhishek Sharma

In the present work silver nanoparticles was synthesized from stem bark extract of Terminalia tomentosa Roxb. (Wight & Arn.), a plant widely found in a large region in India, as reducing agent. Terminalia tomentosa Roxb. (Wight & Arn.) is known to be rich in antioxidant molecules which was used as reducing agents. Silver nanoparticles grow in a single-step method, at room temperature, and with no addition of external energy. The nanoparticles have been characterized by ultraviolet-visible spectroscopy and transmission electron microscopy, as a function of the ratio of silver ions to reducing agent molecules. The nanoparticles diameters were found to be in the range of 5 to 50 nm. The synthesized silver nanoparticles from the Terminalia tomentosa Roxb. (Wight & Arn.) stem bark extract, which do not involve any harmful chemicals were well-dispersed

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