Plasmonic carbon nanohybrids from laser-induced deposition: controlled synthesis and SERS properties

Beitrag in einer Fachzeitschrift


Details zur Publikation

Autorinnen und Autoren: Povolotckaia A, Pankin D, Petrov Y, Vasileva A, Kolesnikov I, Sarau G, Christiansen S, Leuchs G, Manshina A
Zeitschrift: Journal of Materials Science
Jahr der Veröffentlichung: 2019
Band: 54
Heftnummer: 11
Seitenbereich: 8177-8186
ISSN: 0022-2461


Abstract

A novel single-step, laser-induced and solution-based process is presented for synthesizing complex hybrid metal/carbon nanostructures. The process relies on simply illuminating the interface between a substrate and a liquid solution of the supramolecular complex [Au13Ag12(C2Ph)(20)(PPh2(C6H4)(3)PPh2)(3)][PF6](5) (hereinafter abbreviated as SMC) with an unfocussed He-Cd laser having a wavelength of 325nm and an intensity of I=0.5W/cm(2). The process results in hybrid nanostructures of well-controlled morphology: nanoparticles (NP) and 2D flakes, which may also grow jointly to form 3D morphologically complex multipetal flower-like' structures. At the atomic scale, the obtained metamaterials are complex in composition and structure, i.e., they contain bimetallic Au-Ag nanoclusters of diameter 3-5nm incorporated inside a carbonaceous matrix. This matrix can be amorphous or crystalline, and the details of the compositional outcome can be controlled and steered by the laser deposition parameters. Au-Ag nanoclusters show plasmonic behavior including the enhancement of electromagnetic fields of visible light. This leads to the enhancement of Raman scattering by the Au-Ag nanoparticle ensemble within the carbonaceous matrix. This enables a 3D architecture for stimulating surface-enhanced Raman scattering (SERS).


FAU-Autorinnen und Autoren / FAU-Herausgeberinnen und Herausgeber

Leuchs, Gerd Prof. Dr.
Lehrstuhl für Experimentalphysik (Optik)


Einrichtungen weiterer Autorinnen und Autoren

Helmholtz-Zentrum Berlin für Materialien und Energie (HZB)
Max-Planck-Institut für die Physik des Lichts (MPL) / Max Planck Institute for the Science of Light
Saint Petersburg State University


Zitierweisen

APA:
Povolotckaia, A., Pankin, D., Petrov, Y., Vasileva, A., Kolesnikov, I., Sarau, G.,... Manshina, A. (2019). Plasmonic carbon nanohybrids from laser-induced deposition: controlled synthesis and SERS properties. Journal of Materials Science, 54(11), 8177-8186. https://dx.doi.org/10.1007/s10853-019-03478-9

MLA:
Povolotckaia, Anastasia, et al. "Plasmonic carbon nanohybrids from laser-induced deposition: controlled synthesis and SERS properties." Journal of Materials Science 54.11 (2019): 8177-8186.

BibTeX: 

Zuletzt aktualisiert 2019-04-04 um 13:23