Azobenzene: a Visible‐Light Chemical Actinometer for the Characterization of Fluidic Photosystems

Azobenzene: a Visible‐Light Chemical Actinometer for the Characterization of Fluidic Photosystems

(E)‐Azobenzene is introduced as a suitable chemical actinometer in the visible spectral range (440–540 nm) for photon flux determination of fluidic microphotoreactors or for assessing efficiency of visible light photo‐induced reactions, its evaluation is straightforward without tedious analytics. Ph...

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Veröffentlicht in:Helvetica chimica acta 2021-07, Vol.104 (7), p.n/a
Hauptverfasser: Roseau, Mélanie, De Waele, Vincent, Trivelli, Xavier, Cantrelle, Francois Xavier, Penhoat, Maël, Chausset‐Boissarie, Laëtitia
Format: Artikel
Sprache:eng
Schlagworte:
Actinometers
actinometry
Azo compounds
azobenzene
Chemical Sciences
Irradiation
microfluidic photoreactor
Organic chemistry
photochemistry
Radiation
visible light
Wavelengths
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Zusammenfassung:(E)‐Azobenzene is introduced as a suitable chemical actinometer in the visible spectral range (440–540 nm) for photon flux determination of fluidic microphotoreactors or for assessing efficiency of visible light photo‐induced reactions, its evaluation is straightforward without tedious analytics. Photoisomerization quantum yields (ΦE→Z) of (E)‐azobenzene were accurately determined upon irradiation at several wavelengths and in different solvents based on well‐known diarylethene.
ISSN:0018-019X
1522-2675
DOI:10.1002/hlca.202100071