[1] Xiamen Univ, State Key Lab Phys Chem Solid Surface, Xiamen 361005, Peoples R China
[2] Xiamen Univ, Dept Chem, Coll Chem & Chem Engn, Xiamen 361005, Peoples R China
[3] Univ Arizona, Dept Chem, Tucson, AZ 85721 USA
[4] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA