高等学校化学学报

高等学校化学学报 ›› 2000, Vol. 21 ›› Issue (10): 1530.

• 论文 • 上一篇    下一篇

TiO2纳米微粒对PPV发光性能的影响

张静1, 艾希成1, 李前树1, 张宝文2, 王波杰2   

  1. 1. 北京理工大学化工与材料学院, 北京 100081;
    2. 中国科学院感光化学研究所, 北京 100101
  • 收稿日期:1999-09-21 出版日期:2000-10-24 发布日期:2000-10-24
  • 通讯作者: 李前树(1942年出生),男,博士,教授,博士生导师,从事理论化学研究.
  • 基金资助:

    中国科学院“百人计划”基金资助

Effect of TiO2 Nanoparticles on the Luminescence Properties of PPV

ZHANG Jing1, AI Xi-Cheng1, LI Qian-Shu1, ZHANG Bao-Wen2, WANG Bo-Jie2   

  1. 1. School of Chemical Engineering and Material Science, Beijing Institute of Technology, Beijing 100081, China;
    2. Instituteof Photographic Chemistry, Chinese Academyof Sciences, Beijing 100101, China
  • Received:1999-09-21 Online:2000-10-24 Published:2000-10-24

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摘要： 采用溶胶凝胶法制备了一系列PPV/TiO2纳米复合膜,探讨了TiO2纳米微粒对PPV发光性能的影响.研究发现,这些复合膜的发光性质依赖于TiO2/PPV的质量比,.在TiO2/PPV的质量比为1/9时,复合膜中的TiO2微粒对PPV的荧光具有猝灭作用;当TiO2/PPV的质量比为1/1时,复合膜中的TiO2对PPV的荧光具有增强作用.通过FT-IR,UV-Vis,FL光谱和TEM探讨了复合膜微结构与其发光性质的关系.

关键词: 聚对苯撑乙烯, TiO2, 溶胶-凝胶, 发光性能

Abstract: Aseries of poly(phenylenevinylene)(PPV)/ TiO2 nanocomposites were prepared from the mixtures of PPVprecursor and TiO2 sol by employing a sol-gel process. The luminescent properties of the PPV/TiO2 nanocomposites were dependent on the mass ratio of TiO2 to PPV. When the mass ratio of TiO2 to PPVwas 1/9, the resultant TiO2 nanoparticle quenched the luminescence of PPV. However, when the mass ratio of TiO2 to PPVwas 1/1, the PPV/TiO2 nanocomposites showed enhanced luminescence. In this paper, the relationships between the luminescent properties and structures of PPV/TiO2 nanocomposites were investigated by FT-IR, UV-Vis, FLspectra and TEM.

Key words: Poly(phenylenevinylene), TiO2, Sol-gel, Luminescence behavior

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