Fabrication of metal nanostructures in a polymer matrix using femtosecond laser writing technique

Rajamudili Kuladeep; Lankipalli Jyothi; Sahoo Chakradhar; Desai N. Rao

doi:10.1117/1.OE.53.7.071823

21 March 2014 Fabrication of metal nanostructures in a polymer matrix using femtosecond laser writing technique

Rajamudili Kuladeep, Lankipalli Jyothi, Sahoo Chakradhar, Desai N. Rao

Author Affiliations +

Optical Engineering, Vol. 53, Issue 7, 071823 (March 2014). https://doi.org/10.1117/1.OE.53.7.071823

Abstract

Silver nanostructures were fabricated by laser direct writing technique using 796-nm Ti:Sapphire femtosecond laser pulses in polymer matrix containing silver ions that has been spin coated on a silicon substrate. Silver nanostructures that resulted inside the polymer matrix were obtained by the nonlinear optical interaction between femtosecond laser pulses and polymer films containing silver ions. We report here the characterization of the silver nanostructures using UV-Vis extinction spectra, field emission scanning electron, and atomic force microscope images. Formation of silver nanoparticles inside the laser written microstructures is confirmed by the appearance of surface plasmon absorption band at 448 nm in the UV-Vis extinction spectrum. Nanoparticles formed were spherical in shape with average particle size <20 nm . This technique is a cost-effective approach and has potential applications in the fabrication of fine metallic micro/nanostructures for microelectromechanical systems, nanoelectronics, and nanophotonics.

Citation Download Citation

Rajamudili Kuladeep, Lankipalli Jyothi, Sahoo Chakradhar, and Desai N. Rao "Fabrication of metal nanostructures in a polymer matrix using femtosecond laser writing technique," Optical Engineering 53(7), 071823 (21 March 2014). https://doi.org/10.1117/1.OE.53.7.071823

Published: 21 March 2014

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