Document Detail

Synthesis of fluorescent and magnetic bi-functional NaLuF4-based upconversion nanocrystals.
MedLine Citation:
PMID:  24758009     Owner:  NLM     Status:  In-Process    
Fluorescent and magnetic bi-functional NaLuF4-based upconversion nanocrystals have been developed by a facile thermal decomposition method. The influences of Mn2+ and Gd3+ doping on the upconversion luminescent and magnetic properties of the nanocrystals were investigated. The results show that Mn2+ doping can promote the transition of green to red and increase the red emission significantly. When the Mn2+ and Gd3+ are co-doped in the nanocrystals, it has a synergistic effect which can further improve the transition and red emission. Moreover, the nanocrystals co-doped with Mn2+ and Gd3+ exhibit excellent superparamagnetic properties. These results suggest that the developed nanocrystals, which have strong pure red upconversion emission and superparamagnetic properties, can serve as a potential upconversion luminescence and magnetic resonance probe for dual-modality bioimaging. This work presents a facile and effective method for modulating the transition of short-wavelength emission to red emission of upconversion nanocrystals, leading the naocrystals exhibiting excellent upconversion luminescence and magnetic properties.
Chengcheng Wang; Dongguang Yin; Juan Ouyang; Kailin Song; Bing Liu; Minghong Wu
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of nanoscience and nanotechnology     Volume:  14     ISSN:  1533-4880     ISO Abbreviation:  J Nanosci Nanotechnol     Publication Date:  2014 Jul 
Date Detail:
Created Date:  2014-04-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101088195     Medline TA:  J Nanosci Nanotechnol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  5232-7     Citation Subset:  IM    
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