RT journal article
T1 Plasmonic Characterization of 3D Printable Metal-Polymer Nanocomposites
A1 Mata Fernández, María de la
A1 Sanz de León, Alberto
A1 Valencia Liñán, Luisa María
A1 Molina Rubio, Sergio Ignacio
A2 Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica
K1 electron energy loss spectroscopy
K1 far- and near-field performance
K1 localized surface plasmon resonances
K1 metal−polymer nanocomposites
K1 UV-vis absorbance
AB Plasmonic polymer nanocomposites (i.e., polymer matrices containing plasmonic nanostructures) are appealing candidates for the development of manifold technological devices relying on light-matter interactions, provided that they have inherent properties and processing capabilities. The smart development of plasmonic nanocomposites requires in-depth optical analyses proving the material performance, along with correlative studies guiding the synthesis of tailored materials. Importantly, plasmon resonances emerging from metal nanoparticles affect the macroscopic optical response of the nanocomposite, leading to far- and near-field perturbations useful to address the optical activity of the material. We analyze the plasmonic behavior of two nanocomposites suitable for 3D printing, based on acrylic resin matrices loaded with Au or Ag nanoparticles. We compare experimental and computed UV-vis macroscopic spectra (far-field) with single-particle electron energy loss spectroscopy (EELS) analyses (near-field). We extended the calculations of Au and Ag plasmon-related resonances over different environments and nanoparticle sizes. Discrepancies between UV-vis and EELS are dependent on the interplay between the metal considered, the surrounding media, and the size of the nanoparticles. The study allows comparing in detail the plasmonic performance of Au- and Ag-polymer nanocomposites, whose plasmonic response is better addressed, accounting for their intended applications (i.e., whether they rely on far- or near-field interactions).
PB American Chemical Society
SN 2694-2461
YR 2024
FD 2024
LK http://hdl.handle.net/10498/33507
UL http://hdl.handle.net/10498/33507
LA eng
DS Repositorio Institucional de la Universidad de Cádiz
RD 22-sep-2026