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White light emission of Eu^(3+)/Ag co-doped Y_2Si_2O_7 被引量:1
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作者 邓宇航 宋文申 +4 位作者 董伟乐 代如成 王中平 张增明 丁泽军 《Journal of Rare Earths》 SCIE EI CAS CSCD 2014年第9期779-786,共8页
The Eu^3+/Ag co-doped rare earth disilicate Y2Si2O7 microcrystal was synthesized by sol-gel method. Through controlling the thermal treatment process of YzSi2OT:EU3+/Ag precursor, various phases (amorphous, α, ... The Eu^3+/Ag co-doped rare earth disilicate Y2Si2O7 microcrystal was synthesized by sol-gel method. Through controlling the thermal treatment process of YzSi2OT:EU3+/Ag precursor, various phases (amorphous, α, β, γ, δ) were prepared. White light emis- sion was observed under UV light excitation in the samples heavily doped with Ag. The white light was realized by combining the intense red emission of Eu3+, the green emission attributed to the very small molecule-like, non-plasmonic Ag particles (ML-Ag-particles), and the blue emission due to Ag ions. Results demonstrated that Eu3+/Ag co-doped Y2Si207 microcrystal could be potentially applied as white light emission phosphors for UV LED chips. 展开更多
关键词 y2si2ot Eu^3+ ion fluorescence ML-Ag-particle white light emission rare earths
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