Study on Matrix Composition and Luminescent Properties of Long Afterglow Luminescent Materials Prepared with Industrial Sodium Aluminate Solution AITranslate
Abstract AITranslate
The three kinds of bluish-green,yellowish-green and orange-red long afterglow luminescent materials were prepared by high-temprature solid-state synthesis with aluminum hydroxide prepared from industrial sodium aluminate solution as the raw material.The phase composition of the obtained samples was determined by X-ray diffractometer.The excitation and emission spectra of the samples were determined by fluorescence spectrophotometer.The determined results show that the alteration of Sr/Al molar ratio in precursor reactants causes the crystal structure of the samples to change and thus affect their luminescent properties.When Sr/Al molar ratio is 2/7,1/2 and 3/2,respectively,the synthesized samples are pure Sr4 Al14 O25∶Eu2＋,Dy^3＋,SrAl2 O4∶Eu2＋,Dy^3＋and Sr3 Al2 O6∶Eu2＋,Dy^3＋in turn,and they have bluishgreen,yellowish-green and orange-red afterglow color,respectively.All the excitation and emission spectra of the three prepared samples are broadband spectra,and they can be effectively excitated by the natural light such as sunlight and daylight lamps.With the increase of Sr/Al molar ratio,the strongest excitation peak is redshifted from 350 nm to 450 nm,and the strongest emission peak is also redshifted from 460 nm to 600 nm.
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Basic Information:
DOI：
Chinese Library Classification Number:TQ422[化学工程]
Citation Information:
The three kinds of bluish-green,yellowish-green and orange-red long afterglow luminescent materials were prepared by high-temprature solid-state synthesis with aluminum hydroxide prepared from industrial sodium aluminate solution as the raw material.The phase composition of the obtained samples was determined by X-ray diffractometer.The excitation and emission spectra of the samples were determined by fluorescence spectrophotometer.The determined results show that the alteration of Sr/Al molar ratio in precursor reactants causes the crystal structure of the samples to change and thus affect their luminescent properties.When Sr/Al molar ratio is 2/7,1/2 and 3/2,respectively,the synthesized samples are pure Sr4 Al14 O25∶Eu2＋,Dy^3＋,SrAl2 O4∶Eu2＋,Dy^3＋and Sr3 Al2 O6∶Eu2＋,Dy^3＋in turn,and they have bluishgreen,yellowish-green and orange-red afterglow color,respectively.All the excitation and emission spectra of the three prepared samples are broadband spectra,and they can be effectively excitated by the natural light such as sunlight and daylight lamps.With the increase of Sr/Al molar ratio,the strongest excitation peak is redshifted from 350 nm to 450 nm,and the strongest emission peak is also redshifted from 460 nm to 600 nm.
quote
| GB/T 7714-2015 | [1] MA Chun-yu, WANG Hong-wei, MA Ke-you, et al. Study on Matrix Composition and Luminescent Properties of Long Afterglow Luminescent Materials Prepared with Industrial Sodium Aluminate Solution[J]. Rare Metals and Cemented Carbides, 2018(4): 55-58. |
| MLA | [1] MA Chun-yu, et al., "Study on Matrix Composition and Luminescent Properties of Long Afterglow Luminescent Materials Prepared with Industrial Sodium Aluminate Solution." Rare Metals and Cemented Carbides, no. 4, 2018, pp. 55-58. |
| APA | [1] MA Chun-yu, WANG Hong-wei, MA Ke-you, & ZHANG Xue-ying. (2018). Study on Matrix Composition and Luminescent Properties of Long Afterglow Luminescent Materials Prepared with Industrial Sodium Aluminate Solution. Rare Metals and Cemented Carbides(4), 55-58. |
| IEEE | [1] MA Chun-yu, WANG Hong-wei, MA Ke-you, and ZHANG Xue-ying, "Study on Matrix Composition and Luminescent Properties of Long Afterglow Luminescent Materials Prepared with Industrial Sodium Aluminate Solution," Rare Metals and Cemented Carbides, no. 4, pp. 55-58, 2018. keywords: {long afterglow luminescent material;industrial sodium aluminate solution;Al（OH） 3;Sr（NO3 ） 2Sr/Al molar ratio;high-temperature solid-state synthesis;luminescent property} |