A Green-to-Near-Infrared Photoswitch Based on a Blended Subporphyrazine–Dithienylethene System

A subporphyrazine (SubPz)–dithienylethene (DTE) photochromic device with 1o and 1c states, was developed and characterized. In this device, the DTE unit can reversibly switch the SubPz absorbance from green to near-infrared [λmax (o/c) = 527 nm/740 nm], as well as the SubPz fluorescence and singlet...

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Bibliographic Details
Published in:Organic letters 2024-02, Vol.26 (4), p.955-959
Main Authors: Cañizares-Espada, Elena, Pérez de Bustos, Gema, Naoda, Koji, Osuka, Atsuhiro, Torres, Tomás, Rodríguez-Morgade, M. Salomé
Format: Article
Language:English
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Letter
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Summary:A subporphyrazine (SubPz)–dithienylethene (DTE) photochromic device with 1o and 1c states, was developed and characterized. In this device, the DTE unit can reversibly switch the SubPz absorbance from green to near-infrared [λmax (o/c) = 527 nm/740 nm], as well as the SubPz fluorescence and singlet oxygen quantum yields. The core of this design involves using a highly tunable SubPz chromophore that shares its quasi-isolated ethene moiety with a DTE photoswitch.
ISSN:1523-7060
1523-7052
DOI:10.1021/acs.orglett.3c04320