1. Innovative Centre for Flexible Devices (iFLEX)Max Planck–NTU Joint Lab for Artificial SensesSchool of Materials Science and EngineeringNanyang Technological University 50 Nanyang Avenue Singapore 639798 Singapore
2. CAS Key Laboratory of Human‐Machine Intelligence‐Synergy SystemsShenzhen Institutes of Advanced TechnologyChinese Academy of Sciences (CAS) Shenzhen 518055 China
3. Shenzhen College of Advanced TechnologyUniversity of Chinese Academy of Sciences Shenzhen 518055 China
4. Institute of Materials Research and EngineeringAgency for Science, Technology and Research (A*STAR) 2 Fusionopolis Way Singapore 138634 Singapore