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Keywords:

  • layered compounds;
  • luminescence;
  • supramolecular chemistry;
  • thermochromism;
  • thin films
Thumbnail image of graphical abstract

Thermochromic luminescence is characteristic of the title system, which is fabricated by layer-by-layer assembly of anionic bis(2-sulfonatostyryl)biphenyl (BSB) and positively charged layered double hydroxide (LDH) nanosheets on quartz glass. The BSB/LDH films show fast luminescent response and switching properties, including changes in color (see picture), fluorescence lifetime, and anisotropy in the range 20–100 °C.