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Issue 15, 2013
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Mirror symmetry breaking and restoration within μm-sized polymer particles in optofluidic media by pumping circularly polarised light

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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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Publication details

The article was received on 31 Oct 2012, accepted on 05 Feb 2013 and first published on 07 Feb 2013


Article type: Paper
DOI: 10.1039/C3RA22709J
Citation: 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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