The meaning of COSURFACTANT is a chemical substance that is used in addition to a surfactant to improve its performance; especially : a second surfactant that is used in conjunction with a primary surfactant.
when adding H+, the emission turns off meaning that the aggregates disintegrate along with fluorescence quenching. While with the addition of equal OH, it turns on again. Such a type of optical materials with ordered structure will have potential applications in pH sensors and photoelectronic ...