期刊
JOURNAL OF MOLECULAR MODELING
卷 22, 期 6, 页码 -出版社
SPRINGER
DOI: 10.1007/s00894-016-3001-5
关键词
Polythiophene; DFT; Adsorption; Polymeric sensor; Molecular interaction
类别
资金
- Islamic Azad University, Qaemshahr Branch, Iran
Studying the interaction of some atmospheric gases (H2O, HCN, NH3, SO3 and H2S) with 3PT oligomers is important in the development of polymeric sensors for gas detection. In the present study, we studied the relaxed geometries, interaction energies, charge analysis, HOMO-LUMO orbital analysis, and UV-vis spectra of all interacted systems using first-principles density functional theory (DFT). All these analyses indicated the potential of polythiophene as an inexpensive polymeric sensor for the analytes mentioned. Interaction energy values of -19.90, -19.66, -14.01, -8.70, and -4.76 kJ mol(-1) were achieved for adsorption of SO3, H2O, NH3, HCN, and H2S on 3PT, respectively. Consequently, clarification of their physical parameters became the major focus of this study.
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