[1] Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China
[2] Nanyang Technol Univ, Sch Mech & Aerosp Engn, Singapore 639798, Singapore
[3] Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, Singapore
[4] Northwestern Polytech Univ, Frontiers Sci Ctr Flexible Elect, Xian 710072, Peoples R China
[5] Northwestern Polytech Univ, Inst Flexible Elect, Xian 710072, Peoples R China
[6] Shanghai Dianji Univ, Sch Mat Sci & Engn, Shanghai 201306, Peoples R China