A stable 3DOM CeO2 with well-defined inverse opal microstructure and crystalline walls structure has been successfully synthesized by application of three-dimensional order PMMA beads as templates. Structural feature ...A stable 3DOM CeO2 with well-defined inverse opal microstructure and crystalline walls structure has been successfully synthesized by application of three-dimensional order PMMA beads as templates. Structural feature of products was characterized by using SEM, DTA-TG XRD.展开更多
Erbium-doped lutetia nanopowders were synthesized by a novel co-precipitation method using tartaric acid as precipitant. The properties of the samples were investigated by Fourier transform infrared spectroscopy （FTI...Erbium-doped lutetia nanopowders were synthesized by a novel co-precipitation method using tartaric acid as precipitant. The properties of the samples were investigated by Fourier transform infrared spectroscopy （FTIR）, X-ray diffraction （XRD）, TG-DSC, field emission scanning electron microscopy （FE-SEM）, and upconversion luminescence analysis. Pure cubic Lu2Oa nanopowders were directly obtained when the precursor was calcined at 800 ℃ for 2 h, the samples showed strong upconversion luminescence under excitation of 980 nm laser diode.展开更多
基金The financial supports from The National Natural Science Foundation of China(20163002)Natural Science Foundation of Yunnan Province(2003E0005Z)are gratefully acknowledged.
文摘A stable 3DOM CeO2 with well-defined inverse opal microstructure and crystalline walls structure has been successfully synthesized by application of three-dimensional order PMMA beads as templates. Structural feature of products was characterized by using SEM, DTA-TG XRD.
基金supported by the National Natural Science Foundation of China(No.50472027)
文摘Erbium-doped lutetia nanopowders were synthesized by a novel co-precipitation method using tartaric acid as precipitant. The properties of the samples were investigated by Fourier transform infrared spectroscopy （FTIR）, X-ray diffraction （XRD）, TG-DSC, field emission scanning electron microscopy （FE-SEM）, and upconversion luminescence analysis. Pure cubic Lu2Oa nanopowders were directly obtained when the precursor was calcined at 800 ℃ for 2 h, the samples showed strong upconversion luminescence under excitation of 980 nm laser diode.
