Dr.Arif Ullah Khan currently works at the College of life Science and Technology, Beijing University of Chemical Technology. Dr.Arif Ullah Khan does research in Biotechnology, Cancer Research and Microbiology. Their most recent publication is 'Controlled Synthesis of highly proficient and durable hollow hierarchical heterostructured (Ag-AgBr/HHST): A UV and Visible light active photocatalyst in degradation of organic pollutants'.