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When QDs meet BPLCEs: Visualized full-color and mechanically-switchable CPL - EurekAlert
Full-color CPL is achieved by doping different quantum dots (QDs) into reconfigurable blue phase liquid crystal elastomers (BPLCE). Unlike with CPL in the cholesteric phase, BPLCE induces opposite CPL signal, entirely independent of photonic bandgaps (PBGs) and yielding a higher glum value even without matching between PBGs and emission bands of QDs. Furthermore, mechanical stretching enables "on-off" CPL signal switching, followed by permanent fixation via thermal activation.
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