| abstract |
The present invention aims to provide fluorescent microparticles with low ecotoxicity, which do not cause concentration quenching. Specifically, the present invention is a particle composed of a reticulated polymer, which is a fluorescent fine particle including an AIE active compound, and the AIE active compound is, for example, a compound represented by the following general formula (1) It is a fluorescent particle characterized by being (In the formula (1), E is silicon or germanium, R 1 and R 2 are the same or different hydrocarbon groups having 1 to 6 carbon atoms, or substituted or unsubstituted phenyl groups, R 3, R 4, R 5 and R 6 are the same or Are different, substituted or unsubstituted phenyl groups) |