Transfer and Amplification of Chirality within the 'Ring of Fire' Observed in Resonance Raman Optical Activity Experiments.

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ID: 22925
2019
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Ranked #104 of 192 articles by views in angewandte chemie (international ed in english)

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Abstract
We report extremely strong chirality transfer from a chiral nickel complex to solvent molecules detected as Raman optical activity (ROA). Electronic energies of the complex were in resonance with the excitation laser light. The phenomenon was observed for a wide range of achiral and chiral solvents. For chiral 2-butanol, induced ROA was even stronger than the natural one. The observations were related to quantum (molecular) plasmon enabling a strong chiral Rayleigh scattering on the resonating complex. According to a simple model, maximal induced ROA intensity occurs at a certain distance from the solute, three-dimensional "ring of fire", even after rotational averaging. Most experimental ROA signs and relative intensities could be reproduced. The effect might significantly increase the potential of ROA spectroscopy in bioimaging and sensitive detection of chiral molecules.
Reference Key
li2019transferangewandte Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Li, Guojie;Kessler, Jiri;Cheramy, Joseph;Wu, Tao;Poopari, Mohammad Reza;Bour, Petr;Xu, Yunjie;
Journal angewandte chemie (international ed in english)
Year 2019
DOI
10.1002/anie.201909603
URL
Keywords Keywords not found

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