Photoacoustic investigation of nanoparticles ultra-thin films
| Title: | Photoacoustic investigation of nanoparticles ultra-thin films |
|---|---|
| Authors: | Benetti, Giulio; Rizzi, Gianluca; Peli, Simone; Gandolfi, Marco; Giannetti, Claudio; Cavaliere, Emanuele; Gavioli, Luca; Banfi, Francesco |
| Contributors: | Università cattolica del Sacro Cuore Brescia (Unicatt); University Hospital of Verona; Géomécanique, Matériaux et Structures (GEOMAS); Institut National des Sciences Appliquées de Lyon (INSA Lyon); Université de Lyon-Institut National des Sciences Appliquées (INSA)-Université de Lyon-Institut National des Sciences Appliquées (INSA); Department of Information Engineering Brescia; Università degli Studi di Brescia = University of Brescia (UniBs); iLM - FemtoNanoOptics (iLM - FemtoNanoOptics); Institut Lumière Matière Villeurbanne (ILM); Université Claude Bernard Lyon 1 (UCBL); Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL); Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS) |
| Source: | Forum Acusticum ; https://hal.science/hal-03240232 ; Forum Acusticum, Dec 2020, Lyon, France. pp.2545-2547, ⟨10.48465/fa.2020.0178⟩ |
| Publisher Information: | CCSD |
| Publication Year: | 2020 |
| Collection: | HAL Lyon 1 (University Claude Bernard Lyon 1) |
| Subject Terms: | time-resolved optics; granular thin films; nanoparticles; photoacoustics; [PHYS.MECA.ACOU]Physics [physics]/Mechanics [physics]/Acoustics [physics.class-ph]; [PHYS.MECA.VIBR]Physics [physics]/Mechanics [physics]/Vibrations [physics.class-ph] |
| Subject Geographic: | Lyon; France |
| Description: | International audience ; Ultrathin metal nanoparticles coatings are emerging as go-to materials in a variety of fields ranging from pathogens control [1] to sensing. Accessing their mechanical properties is a crucial issue limiting their exploitation in real-life applications. The mechanical properties of metallic nanogranular thin films are unveiled exploiting ultrafast photoacoustic nanometrology in conjunction with bottom-up and top-down approaches based on more traditional techniques [2,3]. Analytical homogenization methods are introduced, allowing to rationalise, in an easy-to- adopt scheme, both the films vibration freqeuncies and radiation damping. The latter yields important information on the granular?s films interfacial layer morphology. Building on the acquired knowledge a variety of applications are proposed, ranging from nano-fluid infiltration sensing [4] to gas-phase separation [5] and bendable electronics [6]. References [1] G. Benetti, E. Cavaliere, R. Brescia, S. Salassi et al., Nanoscale, 11, 1626, 2019 [2] S. Peli, E. Cavaliere et al., J. Phys. Chem. C, 120, 4673, 2016 [3] G. Benetti, C. Caddeo C. Melis et al., J. Phys. Chem. C, 121, 22434, 2017 [4] G. Benetti, M. Gandolfi et al., ACS Appl. Mater. Interfaces, 10, 27947, 2018 [5] G. Torrisi, E. Cavaliere et al., Sol. Energy Mater. Sol. Cells, 199, 114, 2019 |
| Document Type: | conference object |
| Language: | English |
| DOI: | 10.48465/fa.2020.0178 |
| Availability: | https://hal.science/hal-03240232; https://hal.science/hal-03240232v1/document; https://hal.science/hal-03240232v1/file/000178.pdf; https://doi.org/10.48465/fa.2020.0178 |
| Rights: | https://about.hal.science/hal-authorisation-v1/ ; info:eu-repo/semantics/OpenAccess |
| Accession Number: | edsbas.97DCAFD4 |
| Database: | BASE |