[1] Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
[2] Tsinghua Univ, Grad Sch Shenzhen, Engn Lab Functionalized Carbon Mat, Shenzhen 518057, Peoples R China
[3] Tsinghua Univ, Grad Sch Shenzhen, Adv Mat Inst, Shenzhen 518057, Peoples R China