以二甲胺和硼酸为原料,通过水热反应合成有机模板硼酸盐[C2H8N][B5O6 (OH)4],通过单晶X射线衍射对其晶体结构进行分析,该晶体属于单斜晶系,空间群为C2/c,晶胞参数为a=1.3381(75) nm,b=1.1468(56)nm,c=1.7137(92) nm,α=90.032(64)°,β=112.292(82)°,γ=89.988(85)°,V=2.433(2.000) nm3.粉末衍射(PXRD),红外(IR),热重(TGA)以及荧光(PL)等手段对其晶体进行分析表征.在不同温度下对该物质进行热处理,观察其IR和PXRD的变化判断其内部的结构是否能够保持稳定,并通过热重分析进行补充说明.荧光光谱结果表明在经过不同温度热处理后,该物质的发光特性发生明显的变化.实验证实[C2H8N] [B5O6(OH)4]一种可能用在白光LED上的荧光粉.
参考文献
| [1] | 李锋锋,张明熹,李如椿,王少燕,沈毅,Charles Christopher Sorrell.YAG：Er3+纳米粉体的合成及上转换发光的研究[J].硅酸盐通报,2009(04):718-721,730. |
| [2] | 路亚娟 .白光LED用硼酸盐荧光材料的制备与性能研究[D].河北大学,2009. |
| [3] | 潘春阳,李大光,胡升,赵丰华,欧阳萍.有机模板硼酸盐[C4H12N]·[B5O6（OH）4]变温红外及发光性质研究[J].硅酸盐通报,2010(04):944-947. |
| [4] | Sun XYY;Zhang JH;Zhang X;Lu SZ;Wang XJ .A white light phosphor suitable for near ultraviolet excitation[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2007(0):955-957. |
| [5] | Kim JS;Jeon PE;Park YH;Choi JC;Park HL;Kim GC;Kim TW .White-light generation through ultraviolet-emitting diode and white-emitting phosphor[J].Applied physics letters,2004(17):3696-3698. |
| [6] | S. Ekambaram;M. Maaza .Combustion synthesis and luminescent properties of Eu~(3+)-activated cheap red phosphors[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2005(1/2):132-134. |
| [7] | Ming-Sheng Wang;Guo-Cong Guo;Wen-Tong Chen;Gang Xu;Wei-Wei Zhou;Ke-Jun Wu;Jin-Shun Huang .A White-Light-Emitting Borate-Based Inorganic-Organic Hybrid Open Framework[J].Angewandte Chemie,2007(21):3909-3911. |
| [8] | Yang, Y.;Sun, J.-B.;Cui, M.;Liu, R.-B.;Wang, Y.;Meng, C.-G. .Synthesis and structure of [C_6N_4H_(20)] _(0.5)[B_5O_6(OH)_4]: A new organically templated pentaborate with white-light-emission[J].Journal of Solid State Chemistry,2011(7):1666-1670. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%