通过α-Sr2P2O7中Ce3+→Mn2+的能量转移增强Mn2+的发射。
Enhanced emission of Mn2+ via Ce3+ → Mn2+ energy transfer in α-Sr2P2O7.
作者信息
Hou Dejian, Liu Chunmeng, Kuang Xiaojun, Liang Hongbin
机构信息
MOE Laboratory of Bioinorganic and Synthetic Chemistry, KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, China.
出版信息
Opt Express. 2012 Dec 17;20(27):28969-80. doi: 10.1364/OE.20.028969.
Mn(2+) doped and Ce(3+)-Mn(2+) co-doped α-Sr(2)P(2)O(7) phosphors were prepared by a traditional high-temperature solid-state reaction route. The UV-vis excitation and emission spectra for all samples were investigated. Luminescence of Mn(2+) is assigned to from two different sites, which is similar to that of Ce(3+). Energy transfer from Ce(3+) to Mn(2+) in co-doped phosphors α-Sr(2)P(2)O(7): 0.03Ce(3+), xMn(2+) and α-Sr(2)P(2)O(7): xCe(3+), 0.1Mn(2+) was investigated by the excitation and emission spectra as well as the luminescence decays. Both Ce(3+)(1) and Ce(3+)(2) can transfer energy to two types of Mn(2+) ions.
通过传统高温固态反应路线制备了Mn(2+)掺杂和Ce(3+)-Mn(2+)共掺杂的α-Sr(2)P(2)O(7)荧光粉。研究了所有样品的紫外-可见激发和发射光谱。Mn(2+)的发光归因于两个不同的位点，这与Ce(3+)的情况类似。通过激发和发射光谱以及发光衰减研究了共掺杂荧光粉α-Sr(2)P(2)O(7): 0.03Ce(3+), xMn(2+)和α-Sr(2)P(2)O(7): xCe(3+), 0.1Mn(2+)中从Ce(3+)到Mn(2+)的能量转移。Ce(3+)(1)和Ce(3+)(2)都可以将能量转移到两种类型的Mn(2+)离子上。
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