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Facile Synthesis of Water‐Soluble YVO 4 :Eu Nanoparticles for Cu 2+ Detection in Aqueous Solution
Author(s) -
Chen Cailing,
Li Jixin,
Li Chunguang,
Huang He,
Liang Chen,
Lou Yue,
Liu Dan,
Wang Zhaorui,
Shi Zhan,
Feng Shouhua
Publication year - 2016
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201600176
Subject(s) - aqueous solution , dispersity , nanoparticle , ethylenediamine , ion , precipitation , detection limit , chemistry , solvent , inorganic chemistry , coprecipitation , materials science , nuclear chemistry , nanotechnology , polymer chemistry , chromatography , organic chemistry , physics , meteorology
The monodisperse and water‐soluble YVO 4 :Eu nanoparticles (NPs) with uniform size and shape were synthesized by a facile and environmentally friendly co‐precipitation at room temperature with poly(acrylic acid) (PAA) as surfactant and water as solvent. The morphology of the obtained YVO 4 :Eu NPs is sphere‐like with a diameter of about 38 nm. Intense red emission from NPs is achieved under ultraviolet (UV) excitation. The intense red emission could be selectively quenched by Cu 2+ ions with limit of detection (LOD) as low as 0.57 μM in aqueous solution. The emission quenched by Cu 2+ ions would be recovered when adding ethylenediamine tetraacetic acid (EDTA), due to the strong interaction between Cu 2+ ions and EDTA. These results indicate that the NPs would be a potential sensor for detecting Cu 2+ ions in aqueous solution.
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