Halochromism and protonation-induced assembly of a benzo[g]indolo[2,3-b]quinoxaline derivative

Halochromism and protonation-induced assembly of a benzo[g]indolo[2,3-b]quinoxaline derivative

A new halochromic compound is reported with pronounced UV/Vis spectral responses that depend on the extent of protonation and on the counter-ion structure. The absorption can be controlled over the entire visible spectrum and into the near-IR via a protonation-induced assembly mechanism. Thin-films...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2016-01, Vol.52 (87), p.12877-12880
Hauptverfasser: Black, Hayden T, Pelse, Ian, Wolfe, Rylan M W, Reynolds, John R
Format: Artikel
Sprache:eng
Schlagworte:
Absorption
Assembly
catalysis (homogeneous), catalysis (heterogeneous), solar (photovoltaic), solar (fuels), photosynthesis (natural and artificial), hydrogen and fuel cells, electrodes - solar, charge transport, materials and chemistry by design, synthesis (novel materials), synthesis (self-assembly)
Colorimetry
Derivatives
Protonation
Spectra
Thin films
Visible spectrum
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Beschreibung
Zusammenfassung:A new halochromic compound is reported with pronounced UV/Vis spectral responses that depend on the extent of protonation and on the counter-ion structure. The absorption can be controlled over the entire visible spectrum and into the near-IR via a protonation-induced assembly mechanism. Thin-films were used for colorimetric detection of acid vapors.
ISSN:1359-7345
1364-548X
DOI:10.1039/c6cc06443d