1. School of Electrical and Electronic Engineering Nanyang Technological University 50 Nanyang Avenue Singapore 639798 Singapore
2. Center for Sensors and Devices Bruno Kessler Foundation (FBK) Trento 38123 Italy
3. School of Chemistry and Physics Centre of Material Science Queensland University of Technology (QUT) Brisbane QLD 4000 Australia
4. Centre for Biomedical Technology Queensland University of Technology (QUT) Brisbane QLD 4000 Australia
5. Centre for a Waste‐Free World Queensland University of Technology (QUT) Brisbane QLD 4000 Australia