College of Materials Science and Engineering Sichuan University Chengdu 610065 China;
State Key Laboratory of Silicate Materials for Architectures International School of Materials Science and Engineering Wuhan University of Technology Wuhan 430070 China;
College of Materials Science and Engineering Sichuan University Chengdu 610065 China;
School of Materials Science and Engineering Southwest Petroleum University Chengdu 610500 China;
State Key Laboratory of Silicate Materials for Architectures International School of Materials Science and Engineering Wuhan University of Technology Wuhan 430070 ChinaThe Institute of Technological Sciences Wuhan University Wuhan 430070 China;
College of Materials Science and Engineering Sichuan University Chengdu 610065 China;
density functional theory; graphene; nano-ferric oxide; nitrogen reduction reaction;