Please use this identifier to cite or link to this item: https://doi.org/10.1039/b508240d
Title: Colloidal LaF3:Yb,Er, LaF3:Yb,Ho and LaF 3:Yb,Tm nanocrystals with multicolor upconversion fluorescence
Authors: Yi, G.-S. 
Chow, G.-M. 
Issue Date: 7-Nov-2005
Source: Yi, G.-S., Chow, G.-M. (2005-11-07). Colloidal LaF3:Yb,Er, LaF3:Yb,Ho and LaF 3:Yb,Tm nanocrystals with multicolor upconversion fluorescence. Journal of Materials Chemistry 15 (41) : 4460-4464. ScholarBank@NUS Repository. https://doi.org/10.1039/b508240d
Abstract: The IR-to-visible upconversion fluorescent nanocrystals, Yb-Er, Yb-Ho and Yb-Tm co-doped LaF3 were chemically synthesized and investigated. The ligand-capped nanocrystals were easily dispersed in organic solutions and subsequently formed a transparent colloidal solution. Under 980 nm IR excitation, green, red and blue emission bands were observed from these colloidal solutions, respectively. Compared with the recently reported colloidal NaYF4:Yb,Er nanocrystals, our nanocrystals produced a fluorescence output which was 5 times higher. These nanocrystals have potential applications as bio-probes and displays. © The Royal Society of Chemistry 2005.
Source Title: Journal of Materials Chemistry
URI: http://scholarbank.nus.edu.sg/handle/10635/114305
ISSN: 09599428
DOI: 10.1039/b508240d
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