Spectroscopic and electrical characterization of some aniline oligomers and polyaniline |
| |
| Affiliation: | 1. Department of Polymer Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University in Lublin, Gliniana 33 Street, 20-614 Lublin, Poland;2. Chair and Department of Medical Chemistry, Medical University, 4A Chodźki Street, 20-093 Lublin, Poland;3. Laboratory of Bioorganic Synthesis and Analysis, Chair and Department of Medical Chemistry, Medical University, 4A Chodźki Street, 20-093 Lublin, Poland;1. Department of Physics, Faculty of Science, Gazi University, Ankara, Turkey;2. Department of Physics, Faculty of Science and Letters, Nigde University, Nigde, Turkey;3. Department of Physics, Faculty of Science, Ankara University, Ankara, Turkey;1. Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, PR China;2. Corrosion & Protection Center, University of Science and Technology Beijing, Beijing 100083, PR China;1. Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China;2. School of Chemical Engineering, Northwest Minzu University, Lanzhou 730030, PR China;3. Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, PR China |
| |
| Abstract: | Aniline oligomers (n = 2 − 4) of different degrees of oxidation have been synthesized, and their structure determined by 1H and 13C n.m.r. and Fournier transform infrared (FTIR) spectra. Comparative studies on electrical conductivity, electronic and FTIR spectra of proton acid- and iodine-doped oligomers and polyaniline (PAn) are presented. We found that PAn prepared by chemical oxidation in pH ⩽ 1 consists of almost alternating benzenoid and quinoid phenyl ring repeat units and protonation leads to the formation of an ion radical delocalized on the chain for oxidized oligomers as well as for polyaniline. |
| |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
