Preparation and characterization of a new long afterglow indigo phosphor Ca12Al14O33 :Nd, Eu
A new phosphor Ca12Al14O33:Nd,Eu was synthesised by a traditional solid-state reaction method and the luminescent properties were investigated. The phosphors were well crystallised by calcination at 1200 C. The excitation and the emission spectra show the characteristic broadband of the Eu2+ ion and...
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| Veröffentlicht in: | Materials letters 2003-09, Vol.57 (26-27), p.4315-4318 |
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| container_issue | 26-27 |
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| container_title | Materials letters |
| container_volume | 57 |
| creator | Zhang, Junying Zhang, Zhongtai Wang, Tianmin Hao, Weichang |
| description | A new phosphor Ca12Al14O33:Nd,Eu was synthesised by a traditional solid-state reaction method and the luminescent properties were investigated. The phosphors were well crystallised by calcination at 1200 C. The excitation and the emission spectra show the characteristic broadband of the Eu2+ ion and the emission light is indigo. Doping Nd3+ ion in the phosphor results in indigo long afterglow phosphorescence when the excitation light is cut off. The emission intensity decreases with the increase of Nd3+ ion concentration, whereas the phosphorescence intensity and afterglow time improve when the concentration of Nd3+ ion increases. 10 refs. |
| doi_str_mv | 10.1016/s0167-577x(03)00309-4 |
| format | Article |
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The phosphors were well crystallised by calcination at 1200 C. The excitation and the emission spectra show the characteristic broadband of the Eu2+ ion and the emission light is indigo. Doping Nd3+ ion in the phosphor results in indigo long afterglow phosphorescence when the excitation light is cut off. 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| source | Elsevier ScienceDirect Journals |
| subjects | Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Other solid inorganic materials Photoluminescence Physics |
| title | Preparation and characterization of a new long afterglow indigo phosphor Ca12Al14O33 :Nd, Eu |
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