Surface-Enhanced Fluorescence of Erbium Ions on Copper Nanoparticles Containing Tellurite Glasses.

Autor:	Machado, Tamires Martinhão, Falci, Rodrigo Ferreira, Andrade, Gustavo F. S., Bell, Maria José Valenzuela, da Silva, Maurício Antonio Pereira
Předmět:	COPPER ions ERBIUM FLUORESCENCE ENERGY transfer NANOPARTICLES PHOSPHORS
Zdroj:	Plasmonics; 2021, Vol. 16 Issue 1, p139-145, 7p
Abstrakt:	A novel erbium-doped tellurite glass containing copper nanoparticles (CuNP) prepared by a melting-quenching method is reported. The efficient coupling between CuNP and Er3+ ions rendered a strong emission enhancement, reaching maximum values on the order of 10 times for the intensity of the 4I9/2 →4I15/2 and 2H11/2 →4I13/2 transitions, at 794 nm and 805 nm, respectively. The energy transfer mechanism of the coupling between CuNP dipoles and Er3+ ions was also discussed. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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