文献类型：期刊文献

中文题名：锡/钐共掺磷酸盐玻璃的可控发光以及能量传递(英文)

英文题名：Tunable Luminescence and Energy Transfer in Tin/Samarium Co-doped Phosphate Glass

作者：闫志文[1];佟宇[1];蒋奇[1];章榕[2];曾惠丹[1];任晶[1];陈国荣[1]

机构：[1]华东理工大学材料科学与工程学院,超细材料制备与应用教育部重点实验室,上海200237;[2]中国国际建材有限公司,上海200063

年份：2014

卷号：42

期号：11

起止页码：1468

中文期刊名：硅酸盐学报

外文期刊名：Journal of The Chinese Ceramic Society

收录：CSTPCD;;EI(收录号：20144900285805);Scopus;北大核心:【北大核心2011】；CSCD:【CSCD2013_2014】；

基金：发光材料与器件国家重点实验室(华南理工大学)开放课题

语种：中文

中文关键词：磷酸盐玻璃;锡/钐共掺;光致发光;能量传递

外文关键词：phosphate glass;;tin/samarium co-doping;;photoluminescence;;energy transfer

摘要：通过激发光谱、荧光光谱以及荧光寿命测试,系统地研究Sn2+、Sm3+单掺以及Sn2+/Sm3+共掺磷酸盐玻璃的发光性能。在共掺样品的发射光谱中观察到1个涵盖蓝、绿、红色波段的超宽发光带,并可通过调节Sn2+/Sm3+浓度比实现对样品发光的调控。结果表明:在紫外光激发下,能量可由Sn2+传递给Sm3+,能量传递效率最高可达42%。通过Sn2+与Sm3+的能级图研究了能量传递的机理,同时计算了不同浓度Sn2+/Sm3+的共掺样品的色坐标。
The optical properties of Sn2+and Sm3+doped as well as Sn2+/Sm3+co-doped phosphate glass were investigated via their characterizations such as absorption,excitation,emission spectra and fluorescence lifetime.An ultrabroad emission band covering blue,green and red appears in the co-doped glasses.By changing doping ratio of Sn2+to Sm3+,we could obtain the tunable luminescence.The results show that the energy transfer from Sn2+to Sm3+occurs under the ultra-violet excitation,and the efficiency of energy transfer is 42%.The relevant energy transfer mechanism was discussed through the energy level diagrams of Sn2+and Sm3+.The chromaticity coordinates of the co-doped samples at various doping ratios of Sn2+to Sm3+were calculated.