1. Beijing Key Laboratory of Photoelectronic/Electrophotonic
Conversion Materials, Key Laboratory of Cluster Science, Ministry
of Education of China, School of Chemistry, Beijing Institute of Technology, Beijing 100081, People’s Republic of China.
2. Department of Chemistry, Tsinghua University, Beijing 100084, People’s Republic of China
3. Laser Micro-/Nano-Fabrication Laboratory, School of Mechanical
Engineering, Beijing Institute of Technology, Beijing 100081, People’s Republic of China