[1] Tianjin Univ Technol, Inst Mat Phys, Minist Educ, Key Lab Display Mat & Photoelect Devices, Tianjin 300384, Peoples R China
[2] Tianjin Univ Technol, Tianjin Key Lab Photoelect Mat & Devices, Tianjin 300384, Peoples R China
[3] Jiangnan Graphene Res Inst, Changzhou 213149, Peoples R China
[4] Univ Texas Dallas, Alan G MacDiarmid NanoTech Inst, Richardson, TX 75080 USA
[5] Changzhou Univ, Dept Mat Sci & Engn, Jiangsu Collaborat Innovat Ctr Photovolta Sci & E, Changzhou 213164, Peoples R China
[6] Florida State Univ, High Performance Mat Inst, Tallahassee, FL 32310 USA
[7] Lintec Amer, Nanosci & Technol Ctr, Richardson, TX 75081 USA