About the Authors

Yi Yu

Affiliations Key Laboratory of Optoelectronics Material Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, People’s Republic of China, Graduate School of Chinese Academy of Sciences, Beijing, People’s Republic of China

Yisheng Huang

Affiliation Key Laboratory of Optoelectronics Material Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, People’s Republic of China

Lizhen Zhang

Affiliation Key Laboratory of Optoelectronics Material Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, People’s Republic of China

Zhoubin Lin

Affiliation Key Laboratory of Optoelectronics Material Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, People’s Republic of China

Guofu Wang

wgf@ms.fjirsm.ac.cn

Affiliation Key Laboratory of Optoelectronics Material Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, People’s Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YY GW. Performed the experiments: YY ZL. Analyzed the data: YY GW. Contributed reagents/materials/analysis tools: YH LZ. Wrote the paper: YY GW.