Oxygen Sensing Properties Based on Organically Modified Sol-gel Doped with Ru-Dppz

YUE Shu-mei; ZHANG Li; LI Bin; LIU Chang; LI Wen-lian

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Oxygen Sensing Properties Based on Organically Modified Sol-gel Doped with Ru-Dppz

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- Oxygen Sensing Properties Based on Organically Modified Sol-gel Doped with Ru-Dppz
- Chinese Journal of Luminescence Vol. 28, Issue 3, Pages: 345-348(2007)
- 作者机构：
  
  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
- 作者简介：
- 基金信息：
- DOI：
  CLC： O482.31
- Received：14 October 2006，
  
  Revised：16 January 2007，
  
  Published：20 May 2007
- 稿件说明：
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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
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 DOI：

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 DOI：

摘要

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.

Abstract

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

)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.

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Keywords

references

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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).

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