| abstract |
The invention discloses a fluorene derivative with AIE characteristics, which has the following structural formula: the R = -CHO, -COOH, -Br, -I and-NO 2 、‑NH 2 、‑OCH 3 、‑CH 3 、‑CN、‑NHCOCH 3 、‑CF 3 or-CCl 3 The fluorescent probe can be used for identifying biological micromolecules, has high-efficiency specific identification (the detection limit is 1.15 mu M) on tryptophan, and can also be used for detecting micromolecule substances such as explosives, anions, metal cations (including rare earth metals) and the like. |