ArticleChemphyschem : a European journal of chemical physics and physical chemistry2020
Reversible Photoswitching of Isolated Ionic Hemiindigos with Visible Light.
Article in Chemphyschem : a European journal of chemical physics and physical chemistry, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Hemiphosphoindigos as a platform for chiroptical or water soluble photoswitching.Nature communications · 2025Article
- Combined Photopolymerization and Localized Photochromism by Aza-Diarylethene and Hemiindigo Synergy.Advanced materials (Deerfield Beach, Fla.) · 2025Article
- Diaryl-hemiindigos as visible light, pH, and heat responsive four-state switches and application in photochromic transparent polymers.Nature communications · 2023Article
- Thermal and (Thermo-Reversible) Photochemical Cycloisomerization of 1Journal of the American Chemical Society · 2023Article
- Molecular photoswitches in aqueous environments.Chemical Society reviews · 2021Review
- Proton-Gated Ring-Closure of a Negative Photochromic Azulene-Based Diarylethene.Angewandte Chemie (International ed. in English) · 2020Article
- Reversible Photoswitching of Isolated Ionic Hemiindigos with Visible Light.Chemphyschem : a European journal of chemical physics and physical chemistry · 2020Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
Indigoid chromophores have emerged as versatile molecular photoswitches, offering efficient reversible photoisomerization upon exposure to visible light. Here we report synthesis of a new class of permanently charged hemiindigos (HIs) and characterization of photochemical properties in gas phase and solution. Gas-phase studies, which involve exposing mobility-selected ions in a tandem ion mobility mass spectrometer to tunable wavelength laser radiation, demonstrate that the isolated HI ions are photochromic and can be reversibly photoswitched between Z and E isomers. The Z and E isomers have distinct photoisomerization response spectra with maxima separated by 40-80 nm, consistent with theoretical predictions for their absorption spectra. Solvation of the HI molecules in acetonitrile displaces the absorption bands to lower energy. Together, gas-phase action spectroscopy and solution NMR and UV/Vis absorption spectroscopy represent a powerful approach for studying the intrinsic photochemical properties of HI molecular switches.
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Registered trials
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