Preparation and properties of self-assembled polyaniline films

Yadong Jiang; Dan Li; Dan Xie; Zhiming Wu; Bangchao Yang

doi:10.1117/12.440231

14 September 2001 Preparation and properties of self-assembled polyaniline films

Yadong Jiang, Dan Li, Dan Xie, Zhiming Wu, Bangchao Yang

Proceedings Volume 4414, International Conference on Sensor Technology (ISTC 2001); (2001) https://doi.org/10.1117/12.440231
Event: International Conference on Sensing units and Sensor Technology, 2001, Wuhan, China

Abstract

Self-assembly as a novel method to prepare ultrathin functional films has drawn more and more attention in recent years. The preparation methods, structure, characterization and NO₂ gas sensing properties of polyaniline (PAN) ultrathin films are studied in this paper. Firstly, PAN, bpolyphthalocyanine and polycation were prepared as raw materials for self-assembling PAN ultrathin films. The self- assembled PAN ultrathin flims with polymeric and phthalocyanines were prepared based on doping-induced deposition effect. These films were characterized by UV/visible spectroscopy. The study on self-assembling mechanism show that it is acids that drives the self- assembling process, which is dependent on the PAN solution property, the types of solvents and polymeric acids, the molecular weight of polymers and temperature. At last, the NO₂ gas sensing properties is studied in this paper.

Citation Download Citation

Yadong Jiang, Dan Li, Dan Xie, Zhiming Wu, and Bangchao Yang "Preparation and properties of self-assembled polyaniline films", Proc. SPIE 4414, International Conference on Sensor Technology (ISTC 2001), (14 September 2001); https://doi.org/10.1117/12.440231

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