Performance of Photoluminescence Glass Fiber in Eu3+ Doped ZMCB and ZMLB
来源期刊：JOURNAL OF RARE EARTHS2005年第1期
论文作者：Chang Shulan
Key words：luminescence; composite borate; glass fiber; rare earths;
Abstract: The photoluminescence glass fiber in Eu3+ doped ZnO-MgO-CdO-B2O3 is drawn artificially by high-temperature solid state reaction and glass stream hauling method in handling of photoluminecent waste material. Its diameter is 0.01～0.30 mm and its length is more than 10 m. The strong emission band of Eu3+ at 613 nm belongs to 5D0→7F2 electric dipole transition, and the emission intensity at 591 nm is 40% of that at 613 nm and intensity belongs to 5D0→7F1 magnetic dipole transition. It is known to all that Eu3+ mainly hold asymmetrical center lattice in local ambient and also possesses symmetrical center lattice. By fitting decay curves of Eu3+ of different concentrations, it is discovered that the luminescence changes from the first order decay to the second order decay while the concentrations of Eu3+ are increased. It is observed by SEM that glass fiber shows smooth surface, low crystal growing rate, high density of fracture and shellfish veins of fracture obviously submits ditch form. Meanwhile, a series of mechanics parameters were measured and the spectral behaviors of the glass fiber in Eu3+ doped ZnO-MgO-CdO-B2O3 were studied.
Chang Shulan1
(1.Department of Chemistry, Science and Engineering College, Yanbian University, Yanji 133002, China)
Abstract:The photoluminescence glass fiber in Eu3+ doped ZnO-MgO-CdO-B2O3 is drawn artificially by high-temperature solid state reaction and glass stream hauling method in handling of photoluminecent waste material. Its diameter is 0.01～0.30 mm and its length is more than 10 m. The strong emission band of Eu3+ at 613 nm belongs to 5D0→7F2 electric dipole transition, and the emission intensity at 591 nm is 40% of that at 613 nm and intensity belongs to 5D0→7F1 magnetic dipole transition. It is known to all that Eu3+ mainly hold asymmetrical center lattice in local ambient and also possesses symmetrical center lattice. By fitting decay curves of Eu3+ of different concentrations, it is discovered that the luminescence changes from the first order decay to the second order decay while the concentrations of Eu3+ are increased. It is observed by SEM that glass fiber shows smooth surface, low crystal growing rate, high density of fracture and shellfish veins of fracture obviously submits ditch form. Meanwhile, a series of mechanics parameters were measured and the spectral behaviors of the glass fiber in Eu3+ doped ZnO-MgO-CdO-B2O3 were studied.
Key words:luminescence; composite borate; glass fiber; rare earths;
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