[Zhang, Haitao] Chinese Acad Sci, Inst Proc Engn, Beijing Key Lab Ion Liquids Clean Proc, Beijing 100190, Peoples R China.
[Yuan, Du] Changsha Univ Sci & Technol, Coll Mat Sci & Engn, Changsha 410004, Hunan, Peoples R China.
[Zhao, Jin] Nanjing Univ Posts & Telecommun, Inst Adv Mat IAM, Key Lab Organ Elect & Informat Displays KLOEID, Nanjing 210023, Peoples R China.
[Zhao, Jin] Nanjing Univ Posts & Telecommun, Inst Adv Mat IAM, Jiangsu Key Lab Biosensors, Nanjing 210023, Peoples R China.
[Ji, Xiaoyan] Lulea Univ Technol, Div Energy Sci, Energy Engn, S-97187 Lulea, Sweden.