About the Authors

Xiakun Chu

Affiliations College of Physics, Jilin University, Changchun, Jilin, P. R. China, State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, P. R. China

Jin Wang

jin.wang.1@stonybrook.edu

Affiliations College of Physics, Jilin University, Changchun, Jilin, P. R. China, State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, P. R. China, Department of Chemistry and Physics, State University of New York at Stony Brook, Stony Brook, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JW. Performed the experiments: XC JW. Analyzed the data: XC JW. Contributed reagents/materials/analysis tools: XC JW. Contributed to the writing of the manuscript: XC JW.