Abstract
AbstractFluorescent tetraphenylthiophene (TP)‐derived ammonium cations TP‐NH3+ are synthesized and reacted with poly(sodium vinylsulfonate) (PSV) polyanions to obtain three PSV‐TP(x/y) (x/y = 4/1, 2/1 and 1/1) complexes with long‐range electrostatic interactions (LEI) and novel aggregation‐induced emission enhancement (AIEE) properties. Introduction of water into a dilute solution of PSV‐TP(x/y) in THF results in self‐aggregated particles with enhanced AIEE‐operative emission. PSV or NaCl electrolyte is applied to control the LEI forces stabilizing the aggregated particles, and the AIEE‐operative emissions can be thus manupulated. Due to the strong LEI forces, the solid PSV‐TP(4/1) has a high FL quantum yield of 0.91. The relationship between AIEE and LEI forces is evaluated.
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