4.7 Article

Combined experimental and theoretical study of poly(aniline-co-pyrrole) oligomer

期刊

POLYMER
卷 72, 期 -, 页码 30-39

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ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2015.07.003

关键词

DFT; Poly(Ani-co-Py); PPy; PANI; Band gap; IR; UV-vis; IP; EA; HOMO-LUMO

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Quantum mechanical calculations are performed to establish the structure of an oligomer of aniline and pyrrole [Poly(Ani-co-Py)], through comparison of experimental and theoretically calculated properties, including conductivity. The copolymer was synthesized through chemical oxidative polymerization and then confirmed from the experimental IR, UV-vis, mass spectra, elemental, XRD, TGA, and SEM analysis. Quantum mechanical calculations are performed at Density Functional Theory (DFT) and Time dependent DFT (TD-DFT) methods for the electronic and spectroscopic properties of the oligomer. A very nice correlation is found between the theory and experiment which consequences the structure of Poly(Ani-co-Py). Poly(Ani-co-Py) is not explored like other conducting polymers; however, by tuning this molecular structure, the electro-active nature of this material can be enhanced adequately. (C) 2015 Elsevier Ltd. All rights reserved.

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