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Femtosecond laser reduction-based assembling of SiO2 structures with Au nanorods

Year: 2017

Type: conference-paper

Abstract: Engineered metallic nanoparticles can work as effective optical resonators in dielectrics. Such hybrid structures are expected to be used for highly sensitive detection, enhanced luminescence devices and so on. Microstructures of densely assembled nanoparticles were formed by femtosecond laser direct irradiation in liquid. When femtosecond laser is focused into dilute AgNO3 solution with SiO2 and Au nanoparticles, cladding layer of densely packed nanoparticles were precipitated around Ag microstructures, which was precipitated by femtosecond laser reduction. Precipitated volume was markedly increased by the assembling of nanoparticles. This novel laser patterning technique is useful for Au nanoparticles buried inside SiO2 matrix.

Source: The Proceedings of the Symposium on Micro-Nano Science and Technology

DOI: 10.1299/jsmemnm.2017.8.pn-14

Authors: Yuya Ogawa, Kaito Kimura, Kan Umetsu, Hiroaki Nishiyama

Institution: Yamagata University

Language: English

Topic: Laser Material Processing Techniques

Subfield: Computational Mechanics

Field: Engineering

Domain: Physical Sciences

Open Access status: diamond

OpenAlex ID: W2804544947

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