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Femtosecond Ti:sapphire Laser Pulses to Deposit Precious Metal Nanoparticles on Crystalline and Amorphous Titanium Dioxide Films

Authors: Oleg M. Sarkisov --- Vladimir Nadtochenko --- Yuri E. Lozovik --- Andrei Astafiev --- et al.
Journal: Iraqi Journal of Applied Physics المجلة العراقية للفيزياء التطبيقية ISSN: 18132065 23091673 Year: 2018 Volume: 14 Issue: 2 Pages: 43-48
Publisher: iraqi society for alternative and renewable energy sources and techniques الجمعية العراقية لمصادر وتقنيات الطاقة البديلة والمستجدة

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Abstract

In the present work we report the effect of enhanced luminescence of gold and silver nanoparticles photodeposited on crystalline and amorphous films of TiO2. Such a system has two main characteristic features. The average distance between metal nanoparticles is of order of several nm. Metal nanoparticles size is less than (or of order of) 10nm. Absorption spectra of the mesoporous films additionally show that most of metal nanoparticles have approximately spherical shape.

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