Preparation and Characterization of La2Y2Al2O9 Fluorescent Matrix Material AITranslate
Abstract AITranslate
La2Y2Al2O9 fluorescent matrix material was synthesized by solution combustion method with lanthanum nitrate hexahydrate,yttrium oxide and aluminum nitrate nonahydrate having La:Y:Al molar ratio of 1:1:1 as raw materials,and glycine(C2H5NO2),mannitol(C6H14O6)and urea(CO(NH2)2)as combustion agents,respectively.The effects of calcination temperature,calcination time and combustion agents on the phase and appearance of the synthetic powder were analyzed by X-ray diffractometer(XRD)and scanning electron microscope(SEM).Under the optimized process conditions of glycine(C2H5NO2)as combustion agent,calcination temperature 800℃ and calcination time 4 h,a new compound La2Y2Al2O9 with high crystallinity and purity,good morphology and hammer net distribution can be obtained,and it belongs to the monoclinic crystal system.The luminescent properties of La2Y2Al2O9 powder were characte-rized by ultraviolet visible spectrometer and fluorescence spectrometer.The results show that the product has a wide and strong ultraviolet absorption band at 200~400 nm and a wide fluorescence excitation band at 350~440 nm.Therefore,La2Y2Al2O9 powder can be used as a matrix material in the preparation of luminescent powder.
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Basic Information:
DOI：
Chinese Library Classification Number:TQ132.2[化学工程—无机化工]
Citation Information:
La2Y2Al2O9 fluorescent matrix material was synthesized by solution combustion method with lanthanum nitrate hexahydrate,yttrium oxide and aluminum nitrate nonahydrate having La:Y:Al molar ratio of 1:1:1 as raw materials,and glycine(C2H5NO2),mannitol(C6H14O6)and urea(CO(NH2)2)as combustion agents,respectively.The effects of calcination temperature,calcination time and combustion agents on the phase and appearance of the synthetic powder were analyzed by X-ray diffractometer(XRD)and scanning electron microscope(SEM).Under the optimized process conditions of glycine(C2H5NO2)as combustion agent,calcination temperature 800℃ and calcination time 4 h,a new compound La2Y2Al2O9 with high crystallinity and purity,good morphology and hammer net distribution can be obtained,and it belongs to the monoclinic crystal system.The luminescent properties of La2Y2Al2O9 powder were characte-rized by ultraviolet visible spectrometer and fluorescence spectrometer.The results show that the product has a wide and strong ultraviolet absorption band at 200~400 nm and a wide fluorescence excitation band at 350~440 nm.Therefore,La2Y2Al2O9 powder can be used as a matrix material in the preparation of luminescent powder.
quote
| GB/T 7714-2015 | [1] CHU Gang, WU Jing, JIA Ya-wei, et al. Preparation and Characterization of La2Y2Al2O9 Fluorescent Matrix Material[J]. Rare Metals and Cemented Carbides, 2021(5): 24-28. |
| MLA | [1] CHU Gang, et al., "Preparation and Characterization of La2Y2Al2O9 Fluorescent Matrix Material." Rare Metals and Cemented Carbides, no. 5, 2021, pp. 24-28. |
| APA | [1] CHU Gang, WU Jing, JIA Ya-wei, FU Li-ting, ZHANG Jing, MENG Zhu, & WU Qian. (2021). Preparation and Characterization of La2Y2Al2O9 Fluorescent Matrix Material. Rare Metals and Cemented Carbides(5), 24-28. |
| IEEE | [1] CHU Gang, WU Jing, JIA Ya-wei, FU Li-ting, ZHANG Jing, MENG Zhu, and WU Qian, "Preparation and Characterization of La2Y2Al2O9 Fluorescent Matrix Material," Rare Metals and Cemented Carbides, no. 5, pp. 24-28, 2021. keywords: {combustion method;LaYAlO;fluorescent matrix;glycine} |