Defence Research and Development Organization (DRDO),Govt.of India for financial support under DIA -KCOE (Kalam Centre of Excellence) reference no.KCST-SS02/2020。
Highly pure red phosphors LiM(PO_(3))_(3):Eu^(3+)(M=Sr,Ca) doped with Eu^(3+)(1 mol%) were synthesized via solution combustion method and their crystal structure and luminescence dynamics were studied to explore its s...
The thermoluminescence(TL)emission of synthetic and natural Ce-monazites was characterized here to determine the potential application in the identification of microscopic defects from a qualitative point of view tryi...
Project supported by National Key R&D Program of China(2017YFE0106900);Key R&D Program of Jiangxi Province(S2020ZPYFG0029);Key Program of the Chinese Academy of Sciences(ZDRW-CN-2021-3-1-13)。
A novel type of extraction-precipitation strategy based on phosphate was developed to recover rare earth(RE,i.e.,La,Ce,Nd,and Pr)from waste nickel-metal hydride(NiMH)batteries.This method does not require saponificati...
Project supported by the National Key Research and Development Program of China(2019YFA0709101);the Science and Technology Cooperation Program between Jilin Province and Chinese Academy of Sciences(2019SYHZ0008);R&D Projects in Key Areas of Guangdong Province(2020B0101010001)。
A series of Eu^(2+)/Dy^(3+) single doped and co-doped Na_(3)Sc_(2)(PO_(4))_(3) phosphors were synthesized by the high-temperature solid-state method,and their phase,morphology,and luminescence properties were characte...
Project supported by the National Key Research and Development Program of China(2018YFD0901505);the Science and Technology Cooperation Program between Jilin Province and Chinese Academy of Sciences(2019SYHZ0008)。
The powder samples of Ca_(9)Sc(PO_(4))_(7):xDy^(^(3+))white emitting phosphors were prepared via a solid state reaction technique.The Ca_(9)Sc(PO_(4))_(7):Dy^(3+)samples were researched by using the GSAS Rietveld refi...
Project supported by the National Natural Science Foundation of China(51674036);the Beijing Nova Program(Z161100004916108)
Phosphate rock has been considered as one of the potential promising resources for rare earth elements(REEs). But the cost issues and the technical challenges caused by the low content of REEs in ores did hinder the f...
Project supported by National Natural Science Foundation of China(51674036);Beijing Nova Program(Z161100004916108)
In order to achieve deeper understanding of rare earth elements(REEs) behaviors during phosphate rock processing with H_3PO_4. The solubility of REEs in Ca(H_2PO_4)_2-H_3PO_4 solutions with various concentrations of C...
supported by the Nakhon Pathom Rajabhat University Thailand(PD1_2017)and National Council of Research Thailand(NRCT)
The physical and luminescent properties of Sm^(3+)-doped oxide and oxy-fluoride phosphate glasses were investigated. The glass samples with chemical composition of 69 P_2 O_5-10 BaO-10 ZnO-10 Gd_2 O_3-1 Sm_2 O_3 and 6...
Preparation using melt quenching technique and optical characterizations of Nd^(3+) doped Zn-Na phosphate glasses are presented. The structure of the present glasses was studied using X-ray diffraction and FT-IR spect...
Project supported by National Natural Science Foundation of China(21461005);"Top Hundred Talents" Program of Science and Technology Development of Guizhou Province([2016]5658)
It is very significant to recover rare earths (REs) from wet-process phosphoric acid, in terms of extraction rate and selectivity, the current carrier di(2-ethlhexly) phosphate (D2EHPA) out there is still inferi...