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A Thermo‐ and mechanoresponsive cyano‐substituted oligo(p‐phenylene vinylene) derivative with five emissive states

  • Sagara, Yoshimitsu Adolphe Merkle Institute, University of Fribourg, Switzerland
  • Lavrenova, Anna Adolphe Merkle Institute, University of Fribourg, Switzerland
  • Crochet, Aurélien Department of Chemistry & Fribourg Center for Nanomaterials FriMat, University of Fribourg, Switzerland
  • Simon, Yoan C. Adolphe Merkle Institute, University of Fribourg, Switzerland
  • Fromm, Katharina M. Department of Chemistry & Fribourg Center for Nanomaterials FriMat, University of Fribourg, Switzerland
  • Weder, Christoph Adolphe Merkle Institute, University of Fribourg, Switzerland
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    18.03.2016
Published in:
  • Chemistry - A European Journal. - 2016, vol. 22, no. 13, p. 4374–4378
English Multiresponsive materials that display predefined photoluminescence color changes upon exposure to different stimuli are attractive candidates for advanced sensing schemes. Herein, we report a cyano-substituted oligo(p-phenylene vinylene) (cyano-OPV) derivative that forms five different solvent-free solid-state molecular assemblies, luminescence properties of which change upon thermal and mechanical stimulation. Single-crystal X-ray structural analysis suggested that tolyl groups introduced at the termini of solubilizing side-chains of the cyano-OPV play a pivotal role in its solid-state arrangement. Viewed more broadly, this report shows that the introduction of competing intermolecular interactions into excimer-forming chromophores is a promising design strategy for multicolored thermo- and mechanoresponsive luminescent materials.
Faculty
Faculté des sciences et de médecine
Department
Département de Chimie
Language
  • English
Classification
Chemistry
License
License undefined
Identifiers
Persistent URL
https://folia.unifr.ch/unifr/documents/304665
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