Adam Mizera, Paweł Ławniczak, Alina T. Dubis, Karolina H. Markiewicz, Andrzej Łapiński
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Influence of Doping on Electrical and Optical Properties of Conductive Polypyrrole-Co-Poly(pyrrole-3-Carboxylic Acid) Copolymer
The spectroscopic, thermal, and electrical properties of polypyrrole-co-poly(pyrrole-3-carboxylic acid) doped with p-TSA (p-toluenesulfonate) and AQS (anthraquinone sulfonate) are investigated. The semiconductor-like electrical characteristics of the systems are demonstrated by the variation in electrical conductivity as a function of temperature. The properties of conductivity and dielectricity are investigated. The investigated copolymers demonstrate 3D conductivity and a constant carrier density near the Fermi energy. Polarons and bipolarons are charge carriers, as indicated by IR and Raman spectra. The number of charge carriers is increased by doping the polypyrrole-co-poly(pyrrole-3-carboxylic acid) copolymer. The molecular structure of the ionized oligomer and the doped ones is analyzed using the density functional theory (DFT) methods. The time-dependent density functional theory methods are employed to analyze the electron transitions of the copolymers under investigation.
期刊介绍：
ChemPhysChem is one of the leading chemistry/physics interdisciplinary journals (ISI Impact Factor 2018: 3.077) for physical chemistry and chemical physics. It is published on behalf of Chemistry Europe, an association of 16 European chemical societies.
ChemPhysChem is an international source for important primary and critical secondary information across the whole field of physical chemistry and chemical physics. It integrates this wide and flourishing field ranging from Solid State and Soft-Matter Research, Electro- and Photochemistry, Femtochemistry and Nanotechnology, Complex Systems, Single-Molecule Research, Clusters and Colloids, Catalysis and Surface Science, Biophysics and Physical Biochemistry, Atmospheric and Environmental Chemistry, and many more topics. ChemPhysChem is peer-reviewed.
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