Laser ablative decoration of micro-diamonds by gold nanoparticles for fabrication of hybrid plasmonic–dielectric antennae. (5th May 2017)

• Record Type: Journal Article
• Authors: Ivanova, A K; Ionin, A A; Khmelnitskii, R A; Kudryashov, S I; Levchenko, A O; Mel'nik, N N; Rudenko, A A; Saraeva, I N; Umanskaya, S P; Zayarny, D A; Nguyen, L V; Nguyen, T T H; Pham, M H; Pham, D V; Do, T H
• Is Part Of: Laser physics letters. Volume 14:Number 6(2017:Jun.)
• Publication Date: 2017-05-05
• Subjects: micro-diamonds -- optical characterization -- electron microscopy -- laser ablation -- hybrid plasmonic-dielectric antennae -- gold nanoparticles; Lasers -- Periodicals; Physics -- Periodicals; 621.366
• DOI: 10.1088/1612-202X/aa6c1a
• Languages: English
• ISSNs: 1612-2011

Abstract

Abstract: Hybrid plasmonic–dielectric antennae are fabricated by laser ablation of gold in water sols of micro-diamonds. Electron microscopy and energy-dispersive x-ray spectroscopy of their deposits on a silicon wafer surface indicate close proximity of gold nanoparticles and micro-diamonds, which is supported by photoluminescence studies demonstrating strong (eight-fold) damping of micro-diamond luminescence owing to the attachment of the gold nanoparticles. UV–near-IR spectroscopy of their sols reveals a considerable plasmonic effect, related to red spectral shifts of surface plasmon resonance for the gold nanoparticles in the laser-ablation-fabricated antennae.