From April 14 to 16, 2023, Prof. Jing Liu, Prof. Hongtao Bian and Prof. Haonan Peng, members of the Photonic Nose and Molecular Materials Group, participated in the 6th Jingqing Forum of Chinese Chemical Society, which was organized by Institute of Chemical Physics, Chinese Academy of Sciences and Lanzhou University. They gave invited reports titled Construction and Sensing Application of fluorescence Self-assembled membrane, Ultrafast Kinetic study of ion recognition in solution and Physical chemistry of membrane fluorescence sensor surface respectively.