Time-Resolved Photoluminescence in Gold Nanoantennas - ACS

Jun 6, 2016 - We attribute the PL of silver nanorods to the ... Abstract | Full Text HTML | PDF w/ Links | Hi-Res PDF · Ultrafast Meets Ultrasmall: Co...
1 downloads 0 Views 2MB Size
Article pubs.acs.org/journal/apchd5

Time-Resolved Photoluminescence in Gold Nanoantennas Emilie Sakat,†,⊥ Ilaria Bargigia,‡ Michele Celebrano,† Andrea Cattoni,§ Stéphane Collin,§ Daniele Brida,∥ Marco Finazzi,† Cosimo D’Andrea,†,‡ and Paolo Biagioni*,† †

Dipartimento di Fisica, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy Center for Nano-Science and Technology @Polimi, Istituto Italiano di Tecnologia, Via G. Pascoli 70/3, 20133 Milano, Italy § Laboratoire de Photonique et de Nanostructures, CNRS, Université Paris-Saclay, Route de Nozay, F-91460 Marcoussis, France ∥ Department of Physics and Center for Applied Photonics, University of Konstanz, D-78457 Konstanz, Germany ‡

S Supporting Information *

ABSTRACT: We present spectrally and time-resolved measurements of onephoton and multiphoton photoluminescence from gold nanoantenna arrays. In the literature, very different emission decay rates have been observed: while some authors find a very short decay rate (