Metal nanocluster and sodalime glasses: an XPS characterization

G. Speranza; L. Minati; A. Chiasera; M. Ferrari; G. C. Righini

doi:10.1117/12.724181

12 June 2007 Metal nanocluster and sodalime glasses: an XPS characterization

G. Speranza, L. Minati, A. Chiasera, M. Ferrari, G. C. Righini

Proceedings Volume 6593, Photonic Materials, Devices, and Applications II; 65930Q (2007) https://doi.org/10.1117/12.724181
Event: Microtechnologies for the New Millennium, 2007, Maspalomas, Gran Canaria, Spain

Abstract

Metal nanoparticles are lately emerging materials to improve the optical performances of photonic device. This is ascribable to the high cross-section of the metal nanoparticle leading to high energy transfer and consequent luminescent emission from rare earth dopants. In this work we study Ag nanoparticles embedded in a sodalime network. Silver dispersions with different concentrations in the host network were obtained through ion-exchange treatments at temperatures below T_g. Optical properties were investigated through absorption and emission photoluminescence spectra. X-ray Photoelectron Spectroscopy was used to investigate the chemical state as well as size-dependent electronic confinement effects. The changes of the photoelectron core-line binding energies, the change of Auger and valence band line-shapes put forward that there is a clear correlation between the experimental parameters used to make the samples and the extent of quantum confinement. Data from photoelectron spectroscopy well correlate with those from optical measurements. Physico-chemical characterization of optical materials by XPS demonstrated to be of great importance to improve the quality of photonic devices.

Citation Download Citation

G. Speranza, L. Minati, A. Chiasera, M. Ferrari, and G. C. Righini "Metal nanocluster and sodalime glasses: an XPS characterization", Proc. SPIE 6593, Photonic Materials, Devices, and Applications II, 65930Q (12 June 2007); https://doi.org/10.1117/12.724181

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