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1. 中国科学院长春光学精密机械与物理研究所, 激发态物理重点实验室,吉林 长春,130033
2. 东北师范大学化学学院, 多酸化学研究所,吉林 长春,130024
3. 白城广播电视大学,吉林 白城,137000
收稿日期:2006-10-14,
修回日期:2007-01-16,
纸质出版日期:2007-05-20
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岳淑美, 张莉, 李斌, 刘畅, 李文连. 钌(Ⅱ)配合物有机改性干凝胶的氧传感性能[J]. 发光学报, 2007,28(3): 345-348
YUE Shu-mei, ZHANG Li, LI Bin, LIU Chang, LI Wen-lian. Oxygen Sensing Properties Based on Organically Modified Sol-gel Doped with Ru-Dppz[J]. Chinese Journal of Luminescence, 2007,28(3): 345-348
采用溶胶-凝胶法以正硅酸乙酯(TEOS)和正辛基三乙氧基硅烷(Octyl-triEOS)为共先驱体制备了掺杂二氯化二联吡啶(二吡啶并[3
2-a 2
3-c]吩嗪)合钌(Ru-Dppz)的干凝胶.考察了Ru-Dppz在乙醇溶液和干凝胶内的荧光行为
发现在干凝胶中配合物的发射光谱较乙醇溶液中有明显蓝移.与固态本体配合物相比
干凝胶内Ru-Dppz的荧光寿命有明显增加.以Ru-Dppz为荧光指示剂的有机改性氧传感材料具有灵敏度高、响应时间短及稳定性好等优点.该复合材料中有机改性剂的加入提高了氧的通透性
降低了发光分子间的浓度自猝灭进而改善了材料传感的灵敏度.
An oxygen sensing material using tetramethoxysilane (TEOS) and n-octyltriethoxysilane (Octyl-triEOS) as precursors and doped with bis(2
2-bipyridine)(dipyrido[3
3-a 2
3-c]phenazine-N
4
N
5
)ruthenium(Ⅱ) (Ru-Dppz) was prepared by the sol-gel method. The fluorescent behaviors of the complex in ethanol and xerogel were investigated. As a result
the emission band of the composite material attributed to the transition from the metal-to-ligand charge transfer (MLCT) shows blue shift compared with that in ethanol. The lifetime of the complex in xerogel was increased compared with that of the pure solid complex. The sensing material with Ru-Dppz as indicator demonstrated good Stern-Volmer plot
high sensitivity
fast response time and long-term stability. The sensitivity was improved using an organically modified silicate (ormosil) as a matrix.
Tang Y,Tehan E C,Tao Z,et al.Sol-gel-derived sensor materials that yield linear calibration plots,high sensitivity,and long-term stability[J].Anal.Chem.,2003,75(10):2407-2413.
Carraway E R,Demas J N,DeGraff B A,et al.Photophysics and photochemistry of oxygen sensors based on luminescent transition-mental complexes[J].Anal.Chem.,1991,63(4):337-342.
Bukowski R M,Ciriminna R,Bright F V,et al.High-performance quenchometric oxygen sensors based on fluorinated xerogels doped with[Ru(dpp)3]2+[J].Anal.Chem.,2005,77(8):2670-2672.
Zhang P,Guo J H,Wang Y,et al.Incorporation of luminescent tris(bipyridine)ruthenium(Ⅱ) complex in mesoporous silica spheres and their spectroscopic and oxygen-sensing properties[J].Mater.Lett.,2002,53(6):400-405.
Innocenzi P,Kozuka H,Yoko T,et al.Fluorescence properties of the Ru(bpy)32+ complex incorporated in sol-gel-derived silica coating films[J].J.Phys.Chem.B,1997,101(13):2285-2291.
Murtagh M T,Shahriari M R,Krihak M.A study of the effects of organic modification and processing technique on the luminescence quenching behavior of sol-gel oxygen sensors based on a Ru(Ⅱ) complex[J].Chem.Mater.,1998,10(12):3862-3869.
Fuller Z J,Bare W D,Kneas K A,et al.Photostability of luminescent ruthenium(Ⅱ) complexes in polymers and in solution[J].Anal.Chem.,2003,75(11):2670-2677.
Amouyal E,Homis A,Chambron J C,et al.Synthesis and study of a mixed-ligand ruthenium(Ⅱ) complex in its ground and excited states:bis(2,2-bipyridine)(dipyrido[3,3-a:2,3-c] phenazine-N4N5) ruthenium(Ⅱ)[J].J.Chem.Soc.,Dalton Trans.,1990,(6):1841-1845.
Chen X,Li Z,Jiang Y Q,et al.Oxygen sensing film based on organically modified sol-gel with ruthenium complexes and their fluorescent spectra studies[J].Spectroscopy and Spectral Analysis(光谱学与光谱分析),2002,22(5):796-799 (in Chinese).
Marco G D,Lanza M,Campagna S,et al.Luminescent RuⅡ-polypyridine complexes in poly-2-hydroxyethylmethacrylate matrices as oxygen sensors[J].Adv.Mater.,1995,7(5):468-471.
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