American Journal of Materials Synthesis and Processing
Volume 3, Issue 2, June 2018, Pages: 23-29
Received: Jun. 10, 2018;
Accepted: Jul. 3, 2018;
Published: Jul. 31, 2018
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Lipi Goswami, Department of Physics, Girijananada Chowdhury, Institute of Management and Technology, Guwahati, India
Pranayee Datta, Department of Electronics and Communication Technology, Gauhati University, Guwahati, India
The silver nanaoparticles are synthesized via green route using the tea leaves extract and the characterized samples reveal nano formation. The localized surface Plasmon resonance (LSPR) is an important characteristic of metal nanoparticles. From the study of the resonance peak in the UV-Vis spectrum, an interesting fact about the shape of nanoparticles is disclosed. The presence of two peaks in the UV-Vis spectrum gives us a theoretical indication that the shape of the nanoparticles formed is neither spherical nor uniform which exactly matches with the HRTEM pictures of the synthesized nanosamples. The HRTEM picture of the sample where one Plasmon peak is there is characterized mostly by the presence of spherical shape of nps. Moreover, there is distribution of nanoparticles with uniform shape. But the sample with two plasmon peaks in the UV-Vis spectrum is characterized by the formation of nanoparticles with non uniform shape.
Shape Confirmation of Silver Nanoparticles from Characterization Techniques, American Journal of Materials Synthesis and Processing.
Vol. 3, No. 2,
2018, pp. 23-29.
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