Enhanced Stokes-shift and dispersibility in non-polar PMMA solvent of CdTe quantum dots by silica coating

Alvaro Flores-Pacheco, Raúl Sánchez-Zeferino, Gerardo Saavedra-Rodríguez, Jorge Indalecio Contreras-Rascón, Joel Díaz-Reyes, Mario Enrique Álvarez-Ramos

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

1 Cita (Scopus)

Resumen

Silica-coated cadmium telluride quantum dots (CdTe@SiO2) exhibit increased sensitivity to UV illumination within the 300–400 nm range, allowing long and efficient Stokes-shifted emissions with more than 300 nm of separation from the excitation source. In addition, the surface modification of water-soluble CdTe quantum dots promotes a better dispersibility in a non-polar solvent (chloroform), allowing the facile fabrication of a highly luminescent PMMA/CdTe@SiO2 composite with uniformly distributed CdTe@SiO2 clusters suitable for photonic applications.

Idioma originalInglés
Número de artículo111102
PublicaciónChemical Physics
Volumen544
DOI
EstadoPublicada - 1 abr 2021

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