Photo-Thermal Effects in 1D Gratings of Gold Nanoparticles
AbstractThis work investigates the heat delivered by a mono-layer 1D grating of gold nanoparticles (GNPs) created by photo-reduction through two-photon direct laser writing (2P-DLW) in a poly-vinyl alcohol (PVA) matrix doped with HAuCl4, under resonant laser radiation. We drop cast a film of a PVA + HAuCl4 mixture onto a glass substrate, in which we create gratings of 1 mm2 made by stripes of GNPs characterized by high polydispersivity. We demonstrate that, by controlling the pitch of the GNP stripes, we obtain different values of the photo-induced temperature variations. In the framework of thermo-plasmonics, the experimental investigation of the heat generation from a monolayer of gold nanoparticles represents a key element as a starting point to design thermo-smart platforms for sensing, solar energy harvesting and thermo-catalysis. View Full-Text
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Palermo, G.; Ritacco, T.; Aceti, D.M.; Pezzi, L.; Giocondo, M.; De Luca, A. Photo-Thermal Effects in 1D Gratings of Gold Nanoparticles. Crystals 2017, 7, 14.
Palermo G, Ritacco T, Aceti DM, Pezzi L, Giocondo M, De Luca A. Photo-Thermal Effects in 1D Gratings of Gold Nanoparticles. Crystals. 2017; 7(1):14.Chicago/Turabian Style
Palermo, Giovanna; Ritacco, Tiziana; Aceti, Dante M.; Pezzi, Luigia; Giocondo, Michele; De Luca, Antonio. 2017. "Photo-Thermal Effects in 1D Gratings of Gold Nanoparticles." Crystals 7, no. 1: 14.