Issue 15, 2013
From the journal:

RSC Advances

Mirror symmetry breaking and restoration within μm-sized polymer particles in optofluidic media by pumping circularly polarised light†

Michiya Fujiki,*a   Kana Yoshida,a   Nozomu Suzuki,a   Jian Zhang,b   Wei Zhang*b  and  Xiulin Zhu*b  

* Corresponding authors

a Graduate School of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara, 630-0036, Japan
E-mail: fujikim@ms.naist.jp

b Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Department of Polymer Science and Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, P. R. China
E-mail: weizhang@suda.edu.cn or xlzhu@suda.edu.cn

Abstract

The first circularly polarised light (CPL)-pumped mirror symmetry breaking experiment with achiral fluorene-alt-azobenzene copolymer as polymer particles dispersed in optofluidic organic solvents was demonstrated. CPL-pumped chiroptical generation, racemisation, inversion and retention were effectively achieved by finely tuning the media and the wavelength, pumping time and ellipticity of the CPL. The absolute gCD value was ≈6 × 10−2 for chloroform/n-pentanol and chloroform/i-propanol cosolvents. For comparison, neither the magnetochiral birefringence effect nor CPL-induced chirality in molecular particles of azobenzene was detected under similar conditions.

Graphical abstract: Mirror symmetry breaking and restoration within μm-sized polymer particles in optofluidic media by pumping circularly polarised light

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Article information

DOI
https://doi.org/10.1039/C3RA22709J
Article type
Paper
Submitted
31 Oct 2012
Accepted
05 Feb 2013
First published
07 Feb 2013

RSC Adv., 2013,3, 5213-5219

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Mirror symmetry breaking and restoration within μm-sized polymer particles in optofluidic media by pumping circularly polarised light

M. Fujiki, K. Yoshida, N. Suzuki, J. Zhang, W. Zhang and X. Zhu, RSC Adv., 2013, 3, 5213 DOI: 10.1039/C3RA22709J

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