Polarity and strong sensitivity to external electric field in azacrown oligophenylenevinylene

N.A. Nemkovich,H. Detert,A.N. Sobchuk,V.I. Tomin,T. Wróblewski

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy（2022）

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摘要

•Electrooptical study displays large dipole moment of oligophenylenevinylene 1 in the fluorescent state.•DFT calculations show two conformers of 1 with close energies and nonplanar structures.•Dipole electric moment of 1 in the fluorescent state depends dramatically on the applied electric field.

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关键词

Oligophenylenevinylenes,Dipole moments,Conformers,Electrooptical absorption measurements,Symmetry breaking, Gaussian 09W

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