1. Beijing National Laboratory for Molecular Sciences Key Laboratory for the Physics and Chemistry of Nanodevices State Key Laboratory of Rare Earth Materials Chemistry and Applications College of Chemistry and Molecular Engineering Peking University Beijing 100871 China
2. Institute of Advanced Functional Materials and Devices Shanxi University Taiyuan 030031 China
3. Shanxi‐PKU Institute for Carbon‐Based Thin Film Electronics (SICTFE‐PKU) Taiyuan 030031 China
4. PKU‐HKUST ShenZhen‐HongKong Institution Shenzhen 518057 China