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Open AccessArticle

Laser Printing of Plasmonic Nanosponges

Institute of Automation and Control Processes, Far Eastern Branch, Russian Academy of Sciences, 690041 Vladivostok, Russia
Far Eastern Federal University, 690041 Vladivostok, Russia
CIC NanoGUNE BRTA, Avda Tolosa 76, 20018 Donostia-San Sebastian, Spain
Optical Sciences Center and ARC Training Centre in Surface Engineering for Advanced Materials (SEAM), School of Science, Swinburne University of Technology, John st., Hawthorn, VIC 3122, Australia
School of Science, RMIT University, Melbourne, VIC 3000, Australia
World Research Hub Initiative (WRHI), School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1, Ookayama, Meguro-ku, Tokyo 152-8550, Japan
Laser Center (LFM), University of Applied Sciences Munster, Stegerwaldstraße 39, 48565 Steinfurt, Germany
Author to whom correspondence should be addressed.
Nanomaterials 2020, 10(12), 2427;
Received: 15 November 2020 / Revised: 28 November 2020 / Accepted: 1 December 2020 / Published: 4 December 2020
(This article belongs to the Special Issue Laser Synthesis of Nanomaterials)
Three-dimensional porous nanostructures made of noble metals represent novel class of nanomaterials promising for nonlinear nanooptics and sensors. Such nanostructures are typically fabricated using either reproducible yet time-consuming and costly multi-step lithography protocols or less reproducible chemical synthesis that involve liquid processing with toxic compounds. Here, we combined scalable nanosecond-laser ablation with advanced engineering of the chemical composition of thin substrate-supported Au films to produce nanobumps containing multiple nanopores inside. Most of the nanopores hidden beneath the nanobump surface can be further uncapped using gentle etching of the nanobumps by an Ar-ion beam to form functional 3D plasmonic nanosponges. The nanopores 10–150 nm in diameter were found to appear via laser-induced explosive evaporation/boiling and coalescence of the randomly arranged nucleation sites formed by nitrogen-rich areas of the Au films. Density of the nanopores can be controlled by the amount of the nitrogen in the Au films regulated in the process of their magnetron sputtering assisted with nitrogen-containing discharge gas. View Full-Text
Keywords: laser ablation; noble-metal films; magnetron sputtering; nanosecond laser pulses; porous nanostructures; plasmonics; nanosponges laser ablation; noble-metal films; magnetron sputtering; nanosecond laser pulses; porous nanostructures; plasmonics; nanosponges
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MDPI and ACS Style

Syubaev, S.; Gurbatov, S.; Modin, E.; Linklater, D.P.; Juodkazis, S.; Gurevich, E.L.; Kuchmizhak, A. Laser Printing of Plasmonic Nanosponges. Nanomaterials 2020, 10, 2427.

AMA Style

Syubaev S, Gurbatov S, Modin E, Linklater DP, Juodkazis S, Gurevich EL, Kuchmizhak A. Laser Printing of Plasmonic Nanosponges. Nanomaterials. 2020; 10(12):2427.

Chicago/Turabian Style

Syubaev, Sergey; Gurbatov, Stanislav; Modin, Evgeny; Linklater, Denver P.; Juodkazis, Saulius; Gurevich, Evgeny L.; Kuchmizhak, Aleksandr. 2020. "Laser Printing of Plasmonic Nanosponges" Nanomaterials 10, no. 12: 2427.

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