HEDP-capped terbium orthophosphate nanoparticles as sensitive luminescent probes for the detection of Pb 2+ ions
作者： Xi Wang , Bin Han , Yan Gao , Li Wang , Ming Bai
DOI: 10.1007/S40242-016-6005-X
关键词:
摘要: Terbium orthophosphate nanoparticles were synthesized using 1-hydroxy ethylidene-1,1-diphosphonic acid(HEDP) as a capping ligand under hydrothermal conditions at 80 °C. These HEDP-capped TbPO4 owned hexagonal phase structure according to the powder X-ray diffraction(XRD) results and spherical monodispersed particles with diameter of about 10 nm confirmed by transimission electron microscope(TEM) images. Interestingly, luminescent intensities decreased obviously in presence Pb2+ ions such quenching behavior luminescence was well fitted Stern-Volmer equation.
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