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Stimuli-responsive circularly polarized luminescence from an achiral perylenyl dyad

Abstract

Stimuli-responsive circularly polarized luminescence (CPL) was successfully achieved through fine-tuning the conformation of perylenyl dyad by external stimuli. Monomer CPL was clearly detected from inherent achiral monochromophore system in a simple perylene-carbazole dyad, and concentration-dependent CPL was observed from ‘good solvent’, giving an excimer-like CPL emission with peak maxima at 643 nm. Moreover, different aggregated states depended on the CPL bands, which was identical to the emission changes in THF-H2O system. Noteworthy, perylene-carbazole dyad emitted efficient CPL in thin film even without annealing processes. The specific perylenyl-carbazole structure plays a crucial role on CPL in response to the external environments. The novel molecular design strategy opens up a new perspective for the future development of smart CPL-active organic dyads.

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Publication details

The article was received on 07 Aug 2017, accepted on 12 Sep 2017 and first published on 12 Sep 2017


Article type: Paper
DOI: 10.1039/C7OB01959A
Citation: Org. Biomol. Chem., 2017, Accepted Manuscript
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    Stimuli-responsive circularly polarized luminescence from an achiral perylenyl dyad

    J. Li, C. Yang, X. Peng, Q. Qi, Y. Li, W. Lai and W. Huang, Org. Biomol. Chem., 2017, Accepted Manuscript , DOI: 10.1039/C7OB01959A

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