Theoretical molecular engineering for nonlinear absorption by two-photon absorption in the visible
- 23 June 2000
- journal article
- Published by IOP Publishing in Journal of Optics A: Pure and Applied Optics
- Vol. 2 (4) , 284-288
- https://doi.org/10.1088/1464-4258/2/4/307
Abstract
A molecular engineering strategy is developed around bis(di-n-methylamino)-E-stilbene 1 in order to design efficient two-photon absorbers in the visible range. This strategy is based on the role of the charge transfer conjugated system, and of donor substituents on theoretical linear and two-photon absorption (TPA). The best trade-off TPA-linear absorption is fulfilled by two tetraphephenyl-diamine derivatives (biphenyl and fluorene), which could allow, if mixed, efficient coverage of the visible range.Keywords
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