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Dissymmetry enhancement in enantioselective synthesis of helical polydiacetylene by application of superchiral light.

Abstract：

:Superchiral light, generated by the interference of two counter-propagating circularly polarized light (CPL) with same frequency, opposite handedness and different intensity, exhibits enhanced dissymmetry in its interaction with chiral molecules, and has the potential for ultrasensitive detection and characterization of chiral molecules. It is anticipated that the enhanced optical dissymmetry in superchiral light (SCL) field may be utilized to promote asymmetric photochemical reactions efficiency. Herein we reported SCL impart greater chiral bias to trigger asymmetric photo-polymerization reaction from initially achiral diacetylene (DA) monomer, and the enhanced optical dissymmetry for whole polydiacetylene (PDA) films could be achieved. An explanation based on the chiral transfer and amplification of chiral bias from SCL during the polymerization process has been proposed. Moreover, thus formed chiral PDA films polymerized by SCL exhibited enhanced enantioselective recognition ability, and can serve as a direct visual probe for the discrimination of some specific enantiomers.

journal_name

Nat Commun

journal_title

Nature communications

authors

He C,Yang G,Kuai Y,Shan S,Yang L,Hu J,Zhang D,Zhang Q,Zou G

doi

10.1038/s41467-018-07533-y

subject

Has Abstract

pub_date

2018-11-30 00:00:00

pages

5117

issue

1

issn

2041-1723

pii

10.1038/s41467-018-07533-y

journal_volume

9

pub_type

杂志文章

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