Abstract
Novel NaYb1−xGdxF4 (0 ≤ x ≤ 1) nanocrystals were synthesized by a modified liquid–solid–solution solvothermal route for the first time. X-ray diffraction analyses and transmission electron microscope observations evidenced that the phase, size and shape of NaYb1−xGdxF4nanocrystals were closely related to the Gd3+ content. Particularly, when the Gd3+ content reached 60 mol%, the final products were highly uniform and monodisperse hexagonal NaYb0.4Gd0.6F4nanorods. By doping appropriate lanthanide activators, these nanorods exhibited efficient dual-sensitizing multicolor emissions, i.e., Gd3+ sensitizing down-conversion by an ultraviolet light excitation orYb3+ sensitizing up-conversion by a near-infrared one. The lanthanide activator doped NaYb0.4Gd0.6F4nanorods with tunable up-conversion luminescence and proper paramagnetism originating from Gd3+ ions may find potential applications in bio-probes and magnetic resonance imaging.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
