Professor Yu¡¦s major research interests are in environmental chemistry and nano-materials. He has published in international journals 140 papers in these areas and has been cited 1400 times. He has made outstanding achievements particularly in the study of photocatalysis and was conferred the first prize of Hubei Province Natural Science Award in 2004. He was also granted six patents for the fabrication of photocatalytic materials.
Professor Yu is also active in professional activities. He is currently on the Editorial Boards of International Journal of Photoenergy and Environmental Chemistry. Professor Yu is also member of the Executive Committee of the Air & Waste Management Association-Hong Kong Section and a member of the Board of Governors of the Friends of the Earth (HK). He is also a visiting professor of the Fujian Institute of Research on the Structure of Matter of the Chinese Academy of Sciences (CAS) and a researcher for the Research Centre for Eco-Environmental Sciences, also under CAS.