Chromenes involving a two-photon absorbing moiety: Photochromism via intramolecular resonance energy transfer

Laura Bekere, Vladimir Lokshin, Mark Sigalov, Raz Gvishi, Peng Zhao, David J. Hagan, Eric W. Van Stryland, Vladimir Khodorkovsky

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

New derivatives involving the photochromic 2H-benzo[h]chromene moieties covalently linked to the 2,7-bis(carbazolyl)fluorene-derived two-photon absorbing moiety were designed to enable the possibility of resonance energy transfer from the fluorene donor to the photochromic acceptor. The longest wavelength absorption of the photochromic acceptors overlaps with the fluorescence band of the two-photon absorbing donor and the distance between the both moieties is about 5-7 Å. Rapid coloration of colorless solutions was observed upon one- and two-photon absorption.

Original languageEnglish
Pages (from-to)1143-1148
Number of pages6
JournalNew Journal of Chemistry
Volume40
Issue number2
DOIs
StatePublished - 1 Feb 2016

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