Wei Lu earned his PhD from Tongji University in 2006. He is a full tenured professor at Tongji University. His current research focuses on electromagnetic wave shielding and absorption materials, and materials for soft electronics. Hongtao Guan earned his PhD from Dalian University of Technology in 2006. He is currently a professor at Yunnan University. His recent research focuses on carbon materials, low-dimensional materials for electromagnetic shielding, absorption and electrochemical energy storage applications.