Synthesis and characterization of structure optimized film doped with Rhodamine 6G

被引：0
作者：
Guli, Mina [1 ,2 ]
Zhang, Dingke [3 ]
Ma, Dongge [4 ]
Li, Xiaotian [5 ]
Yao, Jianxi [1 ,2 ]
机构：
[1] N China Elect Power Univ, Beijing Key Lab New Energy & Renewable Energy, Renewable Energy Sch, Beijing 102206, Peoples R China
[2] N China Elect Power Univ, State Key Lab Alternate Elect Power Syst Renewabl, Beijing 102206, Peoples R China
[3] NE Normal Univ, Ctr Adv Optoelect Funct Mat Res, Changchun 130024, Peoples R China
[4] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Grad Sch, Changchun 130022, Peoples R China
[5] Jilin Univ, Dept Mat Sci & Engn, Minist Educ, Key Lab Automobile Mat, Changchun 130012, Peoples R China
来源：
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY | 2011年 / 59卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Mesoporous structure; Laser dye; ASE; Film; MESOPOROUS SILICA SBA-15; SEMICONDUCTING POLYMER; OPTICAL-PROPERTIES; EMISSION; NANOCRYSTALS; MONOLITH; LASERS;
D O I：
10.1007/s10971-011-2477-9
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Amplified spontaneous emission (ASE) property of a red dye rhodamine 6 g (R6G) doped into a highly ordered mesoporous SBA-15 film and a planar waveguide poly (4-vinylphenol) (P4VP) film were studied and compared. Regular morphology and mesoporous structure have been evidenced from the photographs, TEM and Nitrogen adsorption-desorption characterizations. A narrower, higher peak was observed in emission spectra from the meso-structured SBA-15 film doping with R6G (R6G/SBA-15) compared with the photoluminescence (PL) spectrum that of R6G in C2H5OH (R6G/C2H5OH) solution, was abruptly narrowed down to a line-width of about 9.8 nm when pumping at an energy of 0.12 mJ pulse(-1), which indicates a favorable ASE property in R6G/SBA-15 film. Comparing the P4VP film spin-coating with R6G (R6G/P4VP), the R6G/SBA-15 film exhibited a much narrower and stronger emission spectrum when it is pumped by the 355 nm pulsed source at the same pumping energy, which means that the meso-structure of the SBA-15 film can optimize ASE property of the material. The threshold was easily obtained by R6G/SBA-15 film at 0.02 mJ pulse(-1), and it was lower than that of R6G/P4VP film. The optimized ASE property owes much to the effects of the better spatial confinement of the molecules in the ordered mesoporous structure of SBA-15 film.
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页码：169 / 173
页数：5
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