Please use this identifier to cite or link to this item:
Title: Multicolour PEI/NaGdF4:Ce3+,Ln3+ nanocrystals by single-wavelength excitation
Authors: Wang, F.
Fan, X.
Wang, M.
Zhang, Y. 
Issue Date: 17-Jan-2007
Source: Wang, F.,Fan, X.,Wang, M.,Zhang, Y. (2007-01-17). Multicolour PEI/NaGdF4:Ce3+,Ln3+ nanocrystals by single-wavelength excitation. Nanotechnology 18 (2) : -. ScholarBank@NUS Repository.
Abstract: Multicolour colloidal PEI/NaGdF4:Ce3+,Ln3+ (Ln ≤ Tb, Eu, Sm or Dy) nanocrystals were synthesized using a simple one-pot hydrothermal procedure. The nanocrystals consist of well crystallized hexagonal phase and have an elongated spherical shape, with diameters between 25 and 45nm. Under single-wavelength excitation at 254nm in the ultraviolet (UV) region, the nanocrystals doped with different lanthanide ions show intense visible (VIS) emissions of different colours. The characteristic luminescence property of the nanocrystals can be attributed to strong absorption of the UV irradiation by the Ce3+, followed by energy transfer to (via Gd 3+ sublattice) and emission from the luminescent centres. © IOP Publishing Ltd.
Source Title: Nanotechnology
ISSN: 09574484
DOI: 2/025701
Appears in Collections:Staff Publications

Show full item record
Files in This Item:
There are no files associated with this item.

Page view(s)

checked on Mar 9, 2018

Google ScholarTM



Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.