Effect of zeolite type upon properties of copper nanoparticles and the clusters produced within them

Vitalii P. Petranovskii; Valerij S. Gurin; Nina E. Bogdanchikova; Suphot Phatanasri; Piyasan Praserthdam

doi:10.1117/12.472988

24 June 2002 Effect of zeolite type upon properties of copper nanoparticles and the clusters produced within them

Vitalii P. Petranovskii, Valerij S. Gurin, Nina E. Bogdanchikova, Suphot Phatanasri, Piyasan Praserthdam

Proceedings Volume 4806, Complex Mediums III: Beyond Linear Isotropic Dielectrics; (2002) https://doi.org/10.1117/12.472988
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

Copper nanoparticles were produced within the protonated and alkaline forms of several zeolites by the hydrogen reduction of corresponding Cu-exchanged forms. Variation of zeolite structure, reduction temperature and acidity of zeolites were the main factors influencing metal reducibility and appearance of copper reduced forms. They were detected by means of optical absorption using diffuse reflectance spectroscopy technique. The effect of zeolite type upon the plasmon resonance band associated with the reduced copper clusters was investigated experimentally and discussed with eh Mie theory simulation results. The type of this spectral appearance is associated with size of copper nanoparticles formed as the result of reduction and secondary aggregation and dielectric properties of zeolite micro crystals being a matrix for the nanoparticle stabilization.

Citation Download Citation

Vitalii P. Petranovskii, Valerij S. Gurin, Nina E. Bogdanchikova, Suphot Phatanasri, and Piyasan Praserthdam "Effect of zeolite type upon properties of copper nanoparticles and the clusters produced within them", Proc. SPIE 4806, Complex Mediums III: Beyond Linear Isotropic Dielectrics, (24 June 2002); https://doi.org/10.1117/12.472988

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