[1] Dalian Univ Technol, DUT KTH Joint Educ & Res Ctr Mol Devices, State Key Lab Fine Chem, Dalian 116012, Peoples R China
[2] Royal Inst Technol, Ctr Mol Devices, Sch Chem Sci & Engn, S-10044 Stockholm, Sweden
[3] Royal Inst Technol, Dept Chem, S-10044 Stockholm, Sweden