Controllable precipitation and photoluminescence of efficient green-emitting crystalline phase from luminescent CaO-SiO2 glass-ceramic system
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This work has been supported by the National Natural Science

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    Abstract:

    A new kind of glass-ceramic phosphor, which contains crystalline phases with green emissions, is explored. The glassceramic is prepared through semi-melt-quenching procedure with a nominal composition of (Ca0.99Eu0.01)3Si2O7. The greenemitting crystals are precipitated and identified to be β-Ca2SiO4: Eu2+ which is responsible for 510 nm-peaked much broader band emissions holding at 1550 °C for half an hour. In terms of the available light scattering theory, the appearance of opaque is discussed by closely associating with size and morphology of luminous β-Ca2SiO4 crystalline phase in glass.

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Tian Hua, Wang Da-jian, Liu Ji-wen. Controllable precipitation and photoluminescence of efficient green-emitting crystalline phase from luminescent CaO-SiO2 glass-ceramic system[J]. Optoelectronics Letters,2012,8(1):37-39

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