Detection of Fluorocarbon Compounds

Compositions, articles, systems, and methods for detection of fluorocarbons are generally described. In certain embodiments, for example, a sensing material that comprises a coupled-multichromophore is described. The coupled-multichromophore may be capable of energy transport and/or diffusion between individual sites of the coupled-multichromophore. In certain embodiments, for example, the coupled-multichromophore comprises individual sites that are linked through delocalized orbitals such that the coupled-multichromophore is capable of energy transport and/or diffusion through each individual site of the coupled-multichromophore. The sensing material comprising the coupled-multichromophore may be configured to detect the presence of an analyte, such as a fluoroalky! species (e.g., a per- and/or polyfluoroalkyl substance). For example, in some embodiments, the coupled-multichromophore comprises at least one chromophore that displays a change in electromagnetic radiation (e.g., light) emission in response to a presence of the analyte. The change in electromagnetic radiation emission may be detected to determine the presence of the analyte.