Site symmetry and host sensitization-dependence of Eu3+ real-time luminescence in tin dioxide nanoparticles

Joaquín Fernández; Rolindes Balda; Concepción Cascales; Sara García-Revilla

doi:10.1117/12.2507261

27 February 2019 Site symmetry and host sensitization-dependence of Eu³⁺ real-time luminescence in tin dioxide nanoparticles

Joaquín Fernández, Rolindes Balda, Concepción Cascales, Sara García-Revilla

Author Affiliations +

Proceedings Volume 10914, Optical Components and Materials XVI; 109140T (2019) https://doi.org/10.1117/12.2507261
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

A detailed investigation of the dependence of the real time luminescence of Eu³⁺-doped tin dioxide nanopowders on rare earth site symmetry and host defects is given. Ultrafast spectroscopy shows that host-rare earth energy transfer occurs at a transfer rate of about 1.5×10⁶ s^-1, whereas the intrinsic broad band SnO₂ emission has a very short build up time, of the order of 60 ps, and a lifetime of hundreds of picoseconds. These results validate the hypothesis that both host and matrix-excited RE emissions are decoupled due to the different origins of the involved physical mechanisms.

Citation Download Citation

Joaquín Fernández, Rolindes Balda, Concepción Cascales, and Sara García-Revilla "Site symmetry and host sensitization-dependence of Eu³⁺ real-time luminescence in tin dioxide nanoparticles", Proc. SPIE 10914, Optical Components and Materials XVI, 109140T (27 February 2019); https://doi.org/10.1117/12.2507261

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available