Phenoxyacetic acid is a monocarboxylic acid that is the O-phenyl derivative of glycolic acid. Phenoxyacetic acids are very important chemicals because of their wide distribution and extensive use as plant growth regulators.
Room-temperature UV-Vis absorption spectra, PL spectra of POA in ethyl acetate and thin films, as well as its phosphorescence spectrum in 2-methyltetrahydrofuran at 77 K.