Effect of TiO2 Nanoparticles on the Luminescence Properties of PPV

Abstract

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

CLC Number:

O644.16

TrendMD:

ZHANG Jing, AI Xi-Cheng, LI Qian-Shu, ZHANG Bao-Wen, WANG Bo-Jie. Effect of TiO₂ Nanoparticles on the Luminescence Properties of PPV[J]. Chem. J. Chinese Universities, 2000, 21(10): 1530.

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Effect of TiO₂ Nanoparticles on the Luminescence Properties of PPV

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