以十六烷基三甲基溴化铵(CTAB)为模板剂,正硅酸乙酯(TEOS)为无机硅源,以及1,3,5-三甲苯(TMB)为加长剂合成了有序介孔分子筛(MCM-41).选择Eu(DBM)3phen 为客体,纳米级介孔分子筛为主体,在氯仿中进行分子组装,制备了具有强发光性能的超分子纳米复合材料Eu(DBM)3phen-MCM-41.采用XRD,HRTEM,FTIR 和荧光光谱分析等对产物的结构与性能进行了分析.结果表明,在361 nm紫外光激发下,Eu配合物在613 nm处有较强的荧光,归属于5D0→7F2跃迁峰,且在400～550 nm波段有介孔基体的荧光发光.
参考文献
| [1] | Kresge C T;Leonowicz M E;Roth W J et al.Ordered mesoporous molecular sieves synthesized by a liquid-crystal template mechanism[J].Nature,1992,359:710. |
| [2] | Beck J S;Vartuli J C;Roth W J et al.A new family of mesoporous molecular sieves prepared with liquid crystal templates[J].Journal of the American Chemical Society,1992,114(27):10834. |
| [3] | 常树岚,林沛和,郭振平.Eu3+掺杂ZMCB和ZMLB基光致发光玻璃纤维性能的研究[J].中国稀土学报,2004(06):845-848. |
| [4] | Yongsheng Li;Jianlin Shi;Zile Hua;Hangrong Chen;Meiling Ruan;Dongsheng Yan .Hollow Spheres of Mesoporous Aluminosilicate with a Three-Dimensional Pore Network and Extraordinarily High Hydrothermal Stability[J].Nano letters,2003(5):609-612. |
| [5] | Melby L;Rose N;Abramson E et al.Synthesis and fluorescence of some trivalent lanthanide complexes[J].Journal of the American Chemical Society,1964,86(23):5117. |
| [6] | Liu Chenjing;Li Shougui;Pang Wenqin.Ruthenium porphyrin encapsulated in modified mesoporous molecular sieve MCM-41 for alkene oxidation[J].Chemical Communications,1997:65. |
| [7] | Broyer M.;Valange S.;Bellat JP.;Bertrand O.;Weber G.;Gabelica Z. .Influence of aging, thermal, hydrothermal, and mechanical treatments on the porosity of MCM-41 mesoporous silica[J].Langmuir: The ACS Journal of Surfaces and Colloids,2002(13):5083-5091. |
| [8] | H. J. Chang;Y. F. Chen;H. P. Lin;C. Y. Mou .Strong visible photoluminescence from SiO_(2) nanotubes at room temperature[J].Applied physics letters,2001(24):3791-3793. |
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%