1. School of Engineering, College of Science, Engineering and Health, RMIT University, Melbourne, Victoria 3001, Australia
2. School of Science, College of Science, Engineering and Health, RMIT University, Melbourne Victoria 3001, Australia
3. Pak-Austria Fachhochschule: Institute of Applied Sciences and Technology, Haripur, 22620, Pakistan
4. RMIT Microscopy and Microanalysis Facility (RMMF), RMIT University, Melbourne, Victoria 3001, Australia
5. Infrared Microspectroscopy Beamline, ANSTO Australian Synchrotron, Clayton, Victoria 3168, Australia
6. Functional Materials and Microsystems Research Group and MicroNano Research Facility, RMIT University, Melbourne, Victoria 3001, Australia