A light triggered optical and chiroptical switch based on a homochiral Eu<sub>2</sub>L<sub>3</sub> helicate
Jianpeng Zhang, Yanyan Zhou, Yuan Yao, Zhenyu Cheng, Ting Gao, Hongfeng Li, Peng‐Fei Yan
Abstract
A pair of homochiral triple-stranded helicates [Eu<sub>2</sub>(o-<bold>L</bold><sup>RR</sup>)<sub>3</sub>](TOf)<sub>6</sub> and [Eu<sub>2</sub>(o-<bold>L</bold><sup>SS</sup>)<sub>3</sub>](TOf)<sub>6</sub> show light-responsive optical (UV and PL) and chiroptical (ECD and CPL) switching properties upon alternating UV and visible light irradiation.
Topics & Concepts
Materials scienceCrystallographyChirality (physics)Visible spectrumIrradiationOptoelectronicsPhysicsChiral symmetryChemistryQuarkNambu–Jona-Lasinio modelQuantum mechanicsNuclear physicsPhotochromic and Fluorescence ChemistryMolecular Sensors and Ion DetectionAxial and Atropisomeric Chirality Synthesis