Handbook of Aggregation-Induced Emission, Volume 3. Группа авторов

Handbook of Aggregation-Induced Emission, Volume 3 - Группа авторов


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moiety. Due to the existence of two FRET pairs, deep‐red luminescence with large Stokes shifts was observed. In addition, the glum reached up to ±2.0 × 10−3 (around 650 nm) in the aggregated state (fw = 99%).

Schematic illustration of molecular structures of AIE-active three-component chiral conjugated polymers 76–80 and AIE-active four-component chiral conjugated polymers 81–82 and the corresponding glum. Schematic illustration of (a) Molecular structures of AIE-active chiral conjugated polymers P-83 and M-83 and corresponding glum. (b) PL, (c) CD spectra, and (d) CPL spectra of polymer 83 in various THF/H2O mixtures.

      Source: Reproduced with permission [63]. Copyright 2018, The Royal Society of Chemistry.

      Source: Reproduced with permission [64]. Copyright 2018, The Royal Society of Chemistry.

      CPL‐active liquid crystal (LC) systems based on AIEgens were also investigated. The helical orientation of the LC molecules appears to be critical for the CPL performance. Both helical stacking of chiral AIEgens and doping achiral AIEgens in chiral nematic LCs can generate CPL.

Image described by caption.

      Source: Reproduced with permission [65]. Copyright 2015, The Royal Society of Chemistry.

Schematic illustration of molecular structure of achiral AIEgen 86. Schematic illustration of (a) the molecular structures of R-87 and S-87. (b) CPL spectra of N asterosl-LC with various weight percent of R-87 and S-87. (c) the process of chiral induction.
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