A simple aqueous metathesis reaction yields new lanthanide monothiophosphates
作者： Nathan J. Takas , Lauren E. Slomka , Xiaocheng Yang , Nancy Giles , Jennifer A. Aitken
DOI: 10.1016/J.JSSC.2008.07.035
关键词: Photoluminescence 、 Thermogravimetric analysis 、 Chemistry 、 Thermogravimetry 、 Lanthanide 、 Disproportionation 、 Inorganic chemistry 、 Hydrate 、 Physical chemistry 、 Infrared spectroscopy 、 Differential thermal analysis
摘要: This paper describes the synthesis and characterization of two, new rare earth monothiophosphate materials, LaPO{sub 3}S.xH{sub 2}O NdPO{sub 3}S.yH{sub 2}O, their properties in comparison to corresponding orthophosphates prepared by a similar aqueous metathesis reaction. Each these materials was found exist an amorphous phase orthophosphate mineral. The rhabdophane-type oxythiophosphates were display reversible dehydration rehydration under mild conditions. be thermally unstable. Disproportionation occur at less than 450 deg. C vacuum. Sulfur is lost during heating air between 650 C, according thermogravimetric analysis (TGA) experiments, yielding orthophosphate. hydrates broad photoluminescence visible excitation 325 nm laser. compounds also analyzed using differential thermal analysis, FT-IR UV/vis/NIR spectroscopy. - Graphical abstract: 2}O. mineral, rhabdophane. displayed
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