Non-linear Optical (NLO) Properties of Conjugated Thiophene and Ethylene Dioxy Thiophene (EDOT) Oligomers: A Density Functional Theory (DFT) Study
Neranga Abeyasinghe, Rohini M. de Silva, K. M. Nalin de Silva
International Research Journal of Pure and Applied Chemistry · pp. 1–11 · Published 17 Dec 2016
10.9734/IRJPAC/2016/26321Abstract
We report accurate nonlinear optical (NLO) properties of mixed thiophene and ethylene dioxythiophene oligomers using Density Functional Theory at the B3LYP and B3PW91 levels of theory using 6-31G basis set using Gaussian98 software package. The geometry optimizations of all molecules were performed using the same level of theory. The first static hyperpolarizabilities (β) of these molecules were calculated using B3LYP and B3PW91/6-31G using the same software package. The HOMO-LUMO gaps of these molecules were also calculated using the same level of theory. The calculation of hyperpolarizabilities of these molecules could prove useful owing to the recent reports of the synthesis of these molecules for optoelectronic applications.
Cited by 3
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