1. Shaanxi International Research Center for Soft Materials, State Key Laboratory for Mechanical Behaviour of Materials, Xi’an Jiaotong University, Xi’an710049, China
2. College of Material Science and Engineering, Xi’an University of Science and Technology, Xi’an710054, China
3. Department of Materials Science and Engineering, University of Sheffield, SheffieldS1 3JD, U.K.
4. State Key Laboratory for Mechanical Behavior of Materials, Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an710049, China