1. Key Laboratory of Green PrintingInstitute of ChemistryChinese Academy of Sciences (ICCAS)Beijing Engineering Research Center of Nanomaterials for Green Printing TechnologyBeijing National Laboratory for Molecular Sciences (BNLMS) Beijing 100190 P. R. China
2. University of Chinese Academy of Sciences Beijing 100049 P. R. China
3. School of Mathematics and StatisticsQingdao University Qingdao 266071 P. R. China
4. Institute of Mechanics for Multifunctional Materials and StructuresQingdao University Qingdao 266071 P. R. China
5. Department of MechanicsSchool of Mechanical EngineeringTianjin University Tianjin 300350 P. R. China