Supramolecular aggregates constructed by pillar[5]arene-based host-guest interaction with aggregation-induced emission

Herein, a novel pillar[5]arene-bridged monomer with two sides functionalized with tetraphenylethylene (TPE) and nitrile group was designed and synthesized. It could form supramolecular aggregates based on the host-guest interaction between TPE and the nitrile group. Due to the restricted intramolecular rotation of the TPE core, the supramolecular aggregates showed prominent aggregation-induced emission.