Title: Laser-ablative nanostructuring of surfaces

Authors: A.V. Kabashin; T. Sarnet; D. Grojo; Ph. Delaporte; L. Charmasson; P. Blandin; R. Torres; T.J-Y. Derrien; M. Sentis

Addresses: Lasers, Plasmas et Procédés Photoniques (LP3, UMR 6182 CNRS), Université de la Méditerranée, Campus de Luminy case 917, 13288 Marseille cedex 9, France. ' Lasers, Plasmas et Procédés Photoniques (LP3, UMR 6182 CNRS), Université de la Méditerranée, Campus de Luminy case 917, 13288 Marseille cedex 9, France. ' Lasers, Plasmas et Procédés Photoniques (LP3, UMR 6182 CNRS), Université de la Méditerranée, Campus de Luminy case 917, 13288 Marseille cedex 9, France. ' Lasers, Plasmas et Procédés Photoniques (LP3, UMR 6182 CNRS), Université de la Méditerranée, Campus de Luminy case 917, 13288 Marseille cedex 9, France. ' Lasers, Plasmas et Procédés Photoniques (LP3, UMR 6182 CNRS), Université de la Méditerranée, Campus de Luminy case 917, 13288 Marseille cedex 9, France. ' Lasers, Plasmas et Procédés Photoniques (LP3, UMR 6182 CNRS), Université de la Méditerranée, Campus de Luminy case 917, 13288 Marseille cedex 9, France. ' Lasers, Plasmas et Procédés Photoniques (LP3, UMR 6182 CNRS), Université de la Méditerranée, Campus de Luminy case 917, 13288 Marseille cedex 9, France. ' Lasers, Plasmas et Procédés Photoniques (LP3, UMR 6182 CNRS), Université de la Méditerranée, Campus de Luminy case 917, 13288 Marseille cedex 9, France. ' Lasers, Plasmas et Procédés Photoniques (LP3, UMR 6182 CNRS), Université de la Méditerranée, Campus de Luminy case 917, 13288 Marseille cedex 9, France

Abstract: We present an overview of laser methods for nanostructuring of surfaces that are in the focus of ongoing research activities of our Institute (LP3). The methods imply the removal of material by laser radiation to provide either spontaneous nanostructuring of laser-illuminated surface or its controlled nano-modification. Here, the desired relief or architecture is achieved through a proper selection of radiation characteristics (pulse duration and wavelength) and parameters of environment (pressure of ambient gas, etc.). Examples of formed nano-architectures include penguin-like structures of black Si with enhanced light absorption in the visible, semiconductor (Si, Ge, ZnO, etc.) quantum dot nanostructures with UV/visible fluorescence, as well as periodic plasmonic nanoarrays. Exhibiting a series of unique properties, these structures are of importance for photovoltaics, optoelectronics and biological sensing applications.

Keywords: laser nanofabrication; laser ablation; semiconductor nanostructures; plasmonics nanostructures; black silicon; colloidal nanoparticles; nanotechnology; quantum dots; nanoarrays; photovoltaics; optoelectronics; biological sensing; biosensors; enhanced light absorption.

DOI: 10.1504/IJNT.2012.045329

International Journal of Nanotechnology, 2012 Vol.9 No.3/4/5/6/7, pp.230 - 245

Published online: 06 Feb 2012 *

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