ArticleChemistry (Weinheim an der Bergstrasse, Germany)2025
Circular Dichroism and Multiphoton Circularly Polarized Luminescence Switching Using a Bis-perylene Diimide Macrocycle.
Article in Chemistry (Weinheim an der Bergstrasse, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
5 citing papers in PubMed.
- Chiral Anthranyl Bis-sulfoxides with Modular Chiroptical Properties Controlled by an Ionic Stimulus.ACS omega · 2026Article
- A Mechanical Planar Chiral Rotaxane Induces Single-Handed Helicity in a Twisted Perylene Diimide.Angewandte Chemie (International ed. in English) · 2026Article
- Delicate molecular design, self-assembly and functional applications of chiral cyclophanes.Chemical science · 2026Review
- Tuning Circular Dichroism and Circularly Polarised Luminescence in Single Crystals of a Perylene Diimide Macrocycle.Angewandte Chemie (International ed. in English) · 2026Article
- Chirally locked and dynamic bis-perylene diimide macrocycles with multiple sources of chirality.Communications chemistry · 2026Article
Corrections and comments
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Authors and funding
9 authors.
Funding
Abstract
Chiroptical switches exhibit stimuli-induced changes in the sign or strength of their circular dichroism (CD) or circularly polarized luminescence (CPL) and are materials with significant potential for chiroptical sensing and biological imaging. However, the chromophores used in chiroptical materials usually require excitation by ultraviolet or visible light, which results in higher cytotoxicity and lower penetration compared to near-infrared (NIR) photoexcitation. This can be overcome by multiphoton excitation, yet multiphoton CPL (MP-CPL) has been challenging to measure in organic emitters. Core-twisted perylene diimides (PDIs) are excellent chromophores with which to develop MP-CPL emitters due to a chiral π-system capable of two-photon absorption. Furthermore, the integration of these chiral PDIs into stimuli-responsive macrocycles affords configurational stability and the potential for chiroptical switching, due to the chromophore's tuneable chiral conformation. In this work we report a chiral bis-PDI macrocycle with stable, yet conformationally dynamic, enantiomers, and in doing so realize a novel chiroptical material that combines switchable CD and MP-CPL for the first time.
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Registered trials
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