Investigation of spatial self-phase modulation of silver nanoparticles in clay suspension

• Main Authors: Zamiri, Reza, Zakaria, Azmi, Ahmad @ Ayob, Mansor, Sadrolhosseini, Amir Reza, Shameli, Kamyar, Darroudi, Majid, Mahdi, Mohd Adzir
• Format: Article
• Language: English
• Published: Elsevier 2011
• Online Access: http://psasir.upm.edu.my/id/eprint/24790/1/Investigation%20of%20spatial%20self-phase%20modulation%20of%20silver%20nanoparticles%20in%20clay%20suspension.pdf; http://psasir.upm.edu.my/id/eprint/24790/

We have investigated the spatial self-phase modulation (SSPM) phenomena in a clay suspension containing silver nanoparticles. Silver nanoparticles (Ag-NPs) were synthesized in the space of lamellar structure of montmorillonite (MMT) by using chemical reducing agent. The UV–vis spectra of the obtained Ag-NPs showed that the intensity surface plasmon resonance (SPR) peaks increase with increasing in concentration of AgNO3. The results from Ag-NPs UV–vis spectra were in good agreement with the structure studies performed by TEM. The SSPM phenomena manifestation of the non-linear optical property appeared only when MMT suspension filled with Ag-NPs as shown in the existence of far-field pattern. This property increased with the increase of Ag-NPs concentration and limited to small range.