About the Authors

Jin Wang

jin.wang.1@stonybrook.edu (JW); ekwang@ciac.jl.cn (EW)

Affiliations State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, People's Republic of China, College of Physics, Jilin University, Changchun, Jilin, People's Republic of China, Department of Chemistry, Physics and Applied Mathematics, State University of New York at Stony Brook, Stony Brook, New York, United States of America

Yong Wang

Affiliation State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, People's Republic of China

Xiakun Chu

Affiliation College of Physics, Jilin University, Changchun, Jilin, People's Republic of China

Stephen J. Hagen

Affiliation Department of Physics, University of Florida, Gainesville, Florida, United States of America

Wei Han

Affiliation College of Physics, Jilin University, Changchun, Jilin, People's Republic of China

Erkang Wang

jin.wang.1@stonybrook.edu (JW); ekwang@ciac.jl.cn (EW)

Affiliation State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JW EW. Performed the experiments: YW XC. Analyzed the data: JW YW XC SJH WH EW. Contributed reagents/materials/analysis tools: JW. Wrote the paper: JW YW XC SJH EW.