Laser based fabrication of chitosan mediated silver nanoparticles |
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| Authors: | Reza Zamiri B Z Azmi Mahmoud Goodarz Naseri Hossein Abbastabar Ahangar Majid Darroudi and Forough Kalaei Nazarpour |
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| Institution: | (1) Facultad de Qu?mica, Universidad Nacional Aut?noma de M?xico. Coyoac?n, 04510 Mexico D.F., Mexico;(2) Instituto de F?sica, Universidad Nacional Aut?noma de M?xico. Coyoac?n, 04510 Mexico D.F., Mexico;(3) Present address: Centro de Investigaciones Avanzadas del IPN, Merida, 97310, Yucat?n, Mexico; |
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| Abstract: | We report fabrication of silver nanoparticles (Ag NPs) by laser ablation technique in different concentrations of aqueous
chitosan solution. The ablation process of silver plate was carried out by using a nanosecond Q-switched Nd:YAG pulsed laser
and the characterization of Ag NPs was done by Transmission electron microscopy, UV-Vis spectroscopy, and X-ray diffraction.
UV-visible plasmon absorption spectra revealed that the formation efficiency as well as the stability of nanoparticles was
increased by addition of chitosan. On the other hand, the size decrement of nanoparticles was more remarkable in the higher
chitosan concentration. |
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