1. Department of Electrical and Computer Engineering National University of Singapore 4 Engineering Drive 3 Singapore 117576 Singapore
2. Center for Intelligent Sensors and MEMS (CISM) National University of Singapore 5 Engineering Drive 1 Singapore 117608 Singapore
3. National University of Singapore Suzhou Research Institute (NUSRI) Suzhou Industrial Park Suzhou 215123 China
4. Department of Physics National University of Singapore 2 Science Drive 3 Singapore 117551 Singapore
5. Singapore Institute of Manufacturing Technology and National University of Singapore (SIMTech‐NUS) Joint Lab on Large‐area Flexible Hybrid Electronics National University of Singapore 4 Engineering Drive 3 Singapore 117576 Singapore
6. NUS Graduate School for Integrative Science and Engineering (NGS) National University of Singapore Singapore 117456 Singapore