Sol-gel films doped with semiconductor nanocrystals for optical applications

Alessandro Martucci; Massimo Guglielmi; Jochen Fick; Mike L. Post

doi:10.1117/12.453859

23 October 2002 SOL-GEL FILMS DOPED WITH SEMICONDUCTOR NANOCRYSTALS FOR OPTICAL APPLICATIONS

Alessandro Martucci, Massimo Guglielmi, Jochen Fick, Mike L. Post

Proceedings Volume 4804, Sol-Gel Optics VI; (2002) https://doi.org/10.1117/12.453859
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

Sol-gel films doped with MeS (Me=Cd or Pb) nanocrystals or with M_xO_y (M=Ni or Co) nanocrystals have been fabricated. Two different strategies were used: for the sulfides a colloidal doping sol was prepared at room temperature and then mixed with the matrix sol. For the oxides a bifunctional ligand was used, bearing either an amine group capable of coordinating the M ions and hydrolysable siloxane groups for anchoring the metal complex moiety to the silicate matrix. In this case the oxide nanocrystals precipitate at 500°C. Films containing MeS nanocrystals showed both non-linear and active optical properties. Nanocomposite films doped with MxOy showed optical gas sensing properties.

Citation Download Citation

Alessandro Martucci, Massimo Guglielmi, Jochen Fick, and Mike L. Post "SOL-GEL FILMS DOPED WITH SEMICONDUCTOR NANOCRYSTALS FOR OPTICAL APPLICATIONS", Proc. SPIE 4804, Sol-Gel Optics VI, (23 October 2002); https://doi.org/10.1117/12.453859

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