About the Authors

Debin Ji

Affiliation Department of Chemistry, University of California Riverside, Riverside, California, United States of America

Yinsheng Wang

yinsheng.wang@ucr.edu

Affiliation Department of Chemistry, University of California Riverside, Riverside, California, United States of America

Competing Interests

The author has declared that no competing interest exists.

Author Contributions

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