Issue 56, 2018
From the journal:

Chemical Communications

Three-stage pH-switchable organic chromophores with large nonlinear optical responses and switching contrasts†

Stein van Bezouw,‡a   Min-Jeong Koo,‡b   Seung-Chul Lee,b   Seung-Heon Lee,b   Jochen Campo,a   O-Pil Kwon ORCID logo *b  and  Wim Wenseleers ORCID logo *a  

* Corresponding authors

a Department of Physics, University of Antwerp, Campus Drie Eiken (CDE), Universiteitsplein 1, B-2610 Wilrijk, Belgium
E-mail: Wim.Wenseleers@uantwerp.be

b Department of Molecular Science and Technology, Ajou University, Suwon 443-749, Korea
E-mail: opilkwon@ajou.ac.kr

Abstract

Three-stage pH-switchable organic second-order nonlinear optical (SO NLO) chromophores are synthesized and characterized by wavelength-dependent linear and nonlinear spectroscopy. The chromophores exhibit huge SO NLO responses in their “on” stages, and large switching contrasts between adjacent stages in both SO NLO response and fluorescence quantum yield, with moreover different “on/off” sequences for closely related compounds.

Graphical abstract: Three-stage pH-switchable organic chromophores with large nonlinear optical responses and switching contrasts

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Article information

DOI
https://doi.org/10.1039/C8CC03495H
Article type
Communication
Submitted
30 Apr 2018
Accepted
16 Jun 2018
First published
18 Jun 2018

Chem. Commun., 2018,54, 7842-7845

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Three-stage pH-switchable organic chromophores with large nonlinear optical responses and switching contrasts

S. van Bezouw, M. Koo, S. Lee, S. Lee, J. Campo, O. Kwon and W. Wenseleers, Chem. Commun., 2018, 54, 7842 DOI: 10.1039/C8CC03495H

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