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Materials 2016, 9(12), 1026; doi:10.3390/ma9121026

The Effect of the Substituent Position on the Two-Photon Absorption Performances of Dibenzylideneacetone-Based Isomers

1
School of Science, Qilu University of Technology, Jinan 250353, China
2
School of Physics and Electronics, Shandong Normal University, Jinan 250014, China
*
Authors to whom correspondence should be addressed.
Academic Editor: Qing-Hua Xu
Received: 31 October 2016 / Revised: 6 December 2016 / Accepted: 14 December 2016 / Published: 20 December 2016
(This article belongs to the Special Issue Two-Photon Absorption Materials)
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Abstract

The two-photon absorption and optical limiting properties of two dibenzylideneacetone derivatives with different substituent positions have been theoretically investigated by solving the coupled rate equations-field intensity equation in the nanosecond time domain using an iterative predictor-corrector finite-difference time-domain method. The calculations show that the electronic structure, the transition dipole moment, the energy gap between the highest occupied orbital (HOMO) and the lowest unoccupied orbital (LUMO), and the pumping rate for the two molecules are quite different due to the different position of chlorine atoms. Importantly, two-photon absorption and optical limiting properties of the molecules depend crucially on the substituent positions of the terminal group, indicating that subtle manipulation on the molecule can affect the nonlinear optical properties of the medium. View Full-Text
Keywords: two-photon absorption; optical limiting; dibenzylideneacetone derivatives; isomer two-photon absorption; optical limiting; dibenzylideneacetone derivatives; isomer
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Zhao, L.; Zhang, Y.; Ma, H.; Leng, J. The Effect of the Substituent Position on the Two-Photon Absorption Performances of Dibenzylideneacetone-Based Isomers. Materials 2016, 9, 1026.

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