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Charge transport and optical properties of discotic liquid crystalline molecules THDDP and substituted THDP by Govindarajan Saranya; Nachimuthu Santhanamoorthi; Ponmalai Kolandaivel; Kittusamy Senthilkumar is a Physics and Astronomy article available to read on EtoBox.

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## Abstract The theoretical investigations have been carried out on the discotic liquid crystalline molecules, 2,3,6,7‐tetrakis‐hexyloxy‐9,16‐diaza‐dibenzo[a,c]phenazine (THDDP) and different substituted 2,3,6,7‐tetrakis‐hexyloxy‐dibenzo[a,c]phenazine (THDP) to study their charge transport and optical properties. The key parameters of charge transport such as charge transfer integrals and site energies have been calculated from the matrix elements of Kohn‐Sham Hamiltonian. The reorganization energy for the presence of excess charge and the rate of charge transfer calculated from Marcus theory have been used to find the mobility of the charge carrier in the studied molecules. The results show that the substitution and stacking angle change strongly affect the charge carrier mobility in π‐stacked THDDP and substituted THDP molecules. Molecular dynamics simulations have been performed to find the most favorable conformation. The time‐dependent density functional theory (TDDFT) calculations reveal that for these molecules the different substitutions does not alter the main features of optical properties and the molecules may be used as blue light emitters. © 2011 Wiley Periodicals, Inc

Who reads Charge transport and optical properties of discotic liquid crystalline molecules THDDP and substituted THDP?

Author

Govindarajan Saranya; Nachimuthu Santhanamoorthi; Ponmalai Kolandaivel; Kittusamy Senthilkumar

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0020-7608)

Published

2011

Language

EN

Field

Physics and Astronomy (Physical Sciences)