[1] Chongqing Univ, Sch Chem & Chem Engn, State Key Lab Power Transmiss Equipment & Syst Se, Chongqing 400044, Peoples R China
[2] Chongqing Univ, Sch Mat Sci & Engn, Chongqing 400044, Peoples R China
[3] Sun Yat Sen Univ, Sch Phys & Engn, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China
[4] Nanyang Technol Univ, Sch Mech & Aerosp Engn, Singapore 639798, Singapore