Designing molecules that produce color-changing circularly polarized luminescence for 3D displays and security printing
"irradiating with UV causes electric field spiral rotation producing circularly polarized luminescence... grinding them instead induces reversible emission color change (mechanochromic luminescence), but grinding required to induce color change also induces structural changes to crystals producing substantially less efficiency... stacked pyrenes by intermolecular hydrogen bonds promotes excimer emission even in the amorphous states... switchable, solid-state for: 3D displays, biosensing, security printing"
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