Zwitterionic Hydrogel Incorporated Graphene Oxide Nanosheets with Improved Strength and Lubricity

[1 ]State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China

[2 ]Tribology Research Institute, State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu 610031, China

[3 ]School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200030, China