Triggering near‐infrared luminescence of vanadyl phthalocyanine by charging

Probing electrofluorochromism (EFC) at the molecular level remains challenging. Here we study the strongly charge state‐dependent photoluminescence of vanadyl phthalocyanine. We report vibrationally resolved absorption and laser‐induced fluorescence (LIF) spectra of samples comprising both the mass‐...

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Detalles Bibliográficos
Autores principales: Debnath, Sreekanta, Haupa, Karolina A., Lebedkin, Sergei, Strelnikov, Dmitry, Kappes, Manfred M.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2022
Materias:
Research Articles
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9322020/
https://www.ncbi.nlm.nih.gov/pubmed/35349208
http://dx.doi.org/10.1002/anie.202201577
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author Debnath, Sreekanta
Haupa, Karolina A.
Lebedkin, Sergei
Strelnikov, Dmitry
Kappes, Manfred M.
author_facet Debnath, Sreekanta
Haupa, Karolina A.
Lebedkin, Sergei
Strelnikov, Dmitry
Kappes, Manfred M.
author_sort Debnath, Sreekanta
collection PubMed
description Probing electrofluorochromism (EFC) at the molecular level remains challenging. Here we study the strongly charge state‐dependent photoluminescence of vanadyl phthalocyanine. We report vibrationally resolved absorption and laser‐induced fluorescence (LIF) spectra of samples comprising both the mass‐selected neutral molecule (VOPc⋅, a stable radical) and its cation produced upon electron ionization (EI) isolated in 5 K neon matrices. Ionization of the essentially non‐emissive VOPc⋅ forms a high‐spin diradical cation (VOPc(+..)) which shows profound photoluminescence (PL) in the NIR range. This unique phenomenon is potentially of interest for NIR‐emitting electro‐optic devices.
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spelling pubmed-93220202022-07-30 Triggering near‐infrared luminescence of vanadyl phthalocyanine by charging Debnath, Sreekanta Haupa, Karolina A. Lebedkin, Sergei Strelnikov, Dmitry Kappes, Manfred M. Angew Chem Int Ed Engl Research Articles Probing electrofluorochromism (EFC) at the molecular level remains challenging. Here we study the strongly charge state‐dependent photoluminescence of vanadyl phthalocyanine. We report vibrationally resolved absorption and laser‐induced fluorescence (LIF) spectra of samples comprising both the mass‐selected neutral molecule (VOPc⋅, a stable radical) and its cation produced upon electron ionization (EI) isolated in 5 K neon matrices. Ionization of the essentially non‐emissive VOPc⋅ forms a high‐spin diradical cation (VOPc(+..)) which shows profound photoluminescence (PL) in the NIR range. This unique phenomenon is potentially of interest for NIR‐emitting electro‐optic devices. John Wiley and Sons Inc. 2022-04-21 2022-06-20 /pmc/articles/PMC9322020/ /pubmed/35349208 http://dx.doi.org/10.1002/anie.202201577 Text en © 2022 The Authors. Angewandte Chemie International Edition published by Wiley-VCH GmbH https://creativecommons.org/licenses/by-nc-nd/4.0/This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ (https://creativecommons.org/licenses/by-nc-nd/4.0/) License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.
spellingShingle Research Articles
Debnath, Sreekanta
Haupa, Karolina A.
Lebedkin, Sergei
Strelnikov, Dmitry
Kappes, Manfred M.
Triggering near‐infrared luminescence of vanadyl phthalocyanine by charging
title Triggering near‐infrared luminescence of vanadyl phthalocyanine by charging
title_full Triggering near‐infrared luminescence of vanadyl phthalocyanine by charging
title_fullStr Triggering near‐infrared luminescence of vanadyl phthalocyanine by charging
title_full_unstemmed Triggering near‐infrared luminescence of vanadyl phthalocyanine by charging
title_short Triggering near‐infrared luminescence of vanadyl phthalocyanine by charging
title_sort triggering near‐infrared luminescence of vanadyl phthalocyanine by charging
topic Research Articles
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9322020/
https://www.ncbi.nlm.nih.gov/pubmed/35349208
http://dx.doi.org/10.1002/anie.202201577
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