Bio: Zhiguang Wu obtained Doctor degree (supervisor: Prof. Qiang He) in Chemical Engineering and Technology at Harbin Institute of Technology in 2015. Between September 2013 and March 2015 he was a visiting student in the department of nanoengineering at the University of California, San Diego under the supervision of Prof. Joseph Wang. Currently he is a postdoctoral researcher at the Max Planck Institute for Intelligent Systems in Prof. Fischer group