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Gold nanoparticles on nanodiamond for nanophotonic applications

Published online by Cambridge University Press:  15 June 2012

S. Orlanducci ,
I. Cianchetta ,
E. Tamburri ,
M.L. Terranova ,
M. C. Cassani ,
R. Matassa  and
M. Rossi
S. Orlanducci
Affiliation:
Dip.to Scienze e Tecnologie Chimiche – MinimaLab, Universita degli Studi di Roma “Tor Vergata”, Via Della Ricerca Scientifica, 00133 Roma, Italy
I. Cianchetta
Affiliation:
Dip.to Scienze e Tecnologie Chimiche – MinimaLab, Universita degli Studi di Roma “Tor Vergata”, Via Della Ricerca Scientifica, 00133 Roma, Italy
E. Tamburri
Affiliation:
Dip.to Scienze e Tecnologie Chimiche – MinimaLab, Universita degli Studi di Roma “Tor Vergata”, Via Della Ricerca Scientifica, 00133 Roma, Italy
M.L. Terranova
Affiliation:
Dip.to Scienze e Tecnologie Chimiche – MinimaLab, Universita degli Studi di Roma “Tor Vergata”, Via Della Ricerca Scientifica, 00133 Roma, Italy
M. C. Cassani
Affiliation:
Dipartimento di Chimica Fisica e Inorganica, Viale Risorgimento 4, INSTM UdR Bologna, 40136 Bologna, Italy
R. Matassa
Affiliation:
Dip.to di Scienze di Base e Applicate per l’Ingegneria (BASE) – Centro di Ricerca per le Nanotecnologie Applicate all’Ingegneria (CNIS), Universita degli Studi di Roma “Sapienza”, Via A. Scarpa, 00161 Roma, Italy
M. Rossi
Affiliation:
Dip.to di Scienze di Base e Applicate per l’Ingegneria (BASE) – Centro di Ricerca per le Nanotecnologie Applicate all’Ingegneria (CNIS), Universita degli Studi di Roma “Sapienza”, Via A. Scarpa, 00161 Roma, Italy
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Abstract

We present here some recent results of a research focused on the preparation of detonation nanodiamond/Au nanoparticles hybrid materials. Two different experimental routes are followed for the decoration of diamond nanoparticles by Au nanoparticles, that are in turn prepared by an innovative electroless approach.

Structure and morphology at the nanoscale level of the Au-on-nanodiamond deposits have been deeply investigated by electron microscopy (FE-SEM, HR-TEM) and diffraction (XRD) techniques.

Optical properties of these systems have been determined by performing scattering and UV-Vis absorption measurements, and by comparing the experimental data with simulated extinction spectra. The results highlighted very interesting plasmonic and scattering behaviors, mainly related to the high refractive index of diamond.

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References

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