1. Institute of Materials Research Shenzhen International Graduate School Tsinghua University Shenzhen 518055 China
2. Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education School of Chemistry Sun Yat‐sen University Guangzhou 510275 China
3. Chengdu Institute of Organic Chemistry Chinese Academy of Sciences Chengdu 610041 China
4. School of Electronic and Computer Engineering Peking University Beijing 100091 China
5. School of Science and Shenzhen Key Laboratory of Flexible Printed Electronics Technology Harbin Institute of Technology (Shenzhen) Shenzhen 518055 China