Controlling the Surface Plasmon Absorption of Silver Nanoparticles via Green Synthesis Using Pennisetum purpureum Leaf Extract

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We report on the green synthesis of silver nanoparticles utilizing the P.purpureum leaf extract. Controlling the surface plasmon absorption of silver nanoparticles was achieved by regulating the amount of extract concentration and the molarity of silver nitrate solution. The surface plasmon absorption peak is found at around 430nm. The surface plasmon absorption peak have shifted to lower wavelength as the amount of extract is increased, while plasmon absorption peak shifts on a higher wavelength as the concentration of silver nitrate is increased before it stabilized at 430nm. This can be explained in terms of the available nucleation sites promoted by the plant extract as well as the available silver ions present in silver nitrate solution.

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Edited by:

Takashi Amemiya, Xuelin Lei and Xiong Qi Peng

Pages:

73-77

Citation:

R. S. Solidum et al., "Controlling the Surface Plasmon Absorption of Silver Nanoparticles via Green Synthesis Using Pennisetum purpureum Leaf Extract", Key Engineering Materials, Vol. 772, pp. 73-77, 2018

Online since:

July 2018

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$38.00

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