Supramolecular structural transformation of N,N′-bis(4-pyridylmethyl)-naphthalene diimide and fluorescence water sensing

Abstract

A supramolecular structure based on N,N′-bis(4-pyridylmethyl)-naphthalene diimide exhibits reversible phase transitions in a single-crystal-to-single-crystal process. Such temperature induced SC–SC transformations are driven by intermolecular π–π interactions and hydrogen bond interaction. Interestingly, the dynamic supramolecular structure shows selective adsorption and fluorescence water sensing.