Dr. Youbin Zheng received his B.S. (2010) in Electronic Device and Materials Engineering and Ph.D. (2015) in Material Physics and Chemistry from Lanzhou University. Then he worked at Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences during 2015-2019. Since February 2019, Dr. Zheng serves as a postdoctoral fellow in the group of Prof. Hossam Haick. His research focuses on the development of self-powered health monitoring systems for volatile organic compounds (VOCs) detection.