Yanhao Yu is currently a Ph.D. student of Materials Engineering at University of Wisconsin-Madison under the supervision of Prof. Xudong Wang. He received his B.S. degree in Chemical Engineering at Dalian University of Technology, China in 2011. His current research focuses on the growth and integration of functional oxide nanomaterials for the applications of photovoltaics and photoelectrochemical water splitting, piezotronics and nanogenerators.