Green Synthesis of Silver Nanoparticles and the Study of Optical Properties | Zendy

Ramakrishna Vasireddy | Zendy; Rima Paul | Zendy; A.K. Mitra | Zendy

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Green Synthesis of Silver Nanoparticles and the Study of Optical Properties

Author(s) -

Ramakrishna Vasireddy,

Rima Paul,

A.K. Mitra

Publication year - 2012

Publication title -

nanomaterials and nanotechnology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.412

H-Index - 21

ISSN - 1847-9804

DOI - 10.5772/52329

Subject(s) - materials science , silver nanoparticle , surface plasmon resonance , photoluminescence , nanoparticle , raman spectroscopy , absorption (acoustics) , spectroscopy , nanocrystal , chemical engineering , absorption spectroscopy , biopolymer , reducing agent , ultraviolet visible spectroscopy , colloid , nanotechnology , optoelectronics , polymer , optics , organic chemistry , chemistry , composite material , engineering , physics , quantum mechanics

The synthesis of silver nanoparticles of varying size has been achieved using different molar concentrations of NaOH while the effect of changing the temperature has been studied. AgNO3, gelatine, glucose and NaOH are used as a silver precursor, stabilizer, reducing agent and accelerator respectively. The synthesized nanoparticles have been characterized by a FESEM study, X‐ray diffractometry, Raman spectroscopy and UV‐vis spectroscopy. The colloidal sols of the silver nanoparticles in a biopolymer gelatine show strong surface plasmon resonance absorption peaks. The visible photoluminescence emission from the synthesized silver nanocrystals has been recorded within the wavelength range of 400‐600 nm under UV excitation. The synthesized nanoparticles may be extremely useful in making biosensor devices as well as for other applications

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