1. Department of Physics, SRM University-Andhra Pradesh, Amaravati 522502, Andhra Pradesh, India
2. Center for Nanofibers and Nanotechnology, Mechanical Engineering Department, National University of Singapore, Singapore 117576, Singapore
3. Department of Chemistry, SRM University-Andhra Pradesh, Amaravati 522502, Andhra Pradesh, India
4. Department of Physics, School of Physical Sciences, Doon University, Dehradun 248001, Uttarakhand, India
5. Division of Electronics and Electrical Engineering, Dongguk University, Seoul 04620, Republic of Korea
6. Department of Electrical and Computer Engineering, University of Thessaly, 38221 Volos, Greece
7. Department of Materials, Imperial College London, London SW7 2AZ, UK
8. School of Engineering and Innovation, The Open University, Milton Keynes MK7 6AA, UK
9. Department of Nanotechnology, Acharya Nagarjuna University, Guntur 522510, Andhra Pradesh, India
10. Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis, Singapore 138634, Singapore
11. Institute of Sustainability for Chemical, Engineering and Environment, Agency of Science, Technology and Research (A*STAR), 1 Pesek Road, Singapore 627833, Singapore
12. Sunkonnect, 1 Cleantech Loop, Singapore 637141, Singapore
13. Organic Electronics Research Center, Ming-Chi University of Technology, 84 Gungjuan Rd., New Taipei City 24301, Taiwan
14. Department of Electronic Engineering, Ming-Chi University of Technology, 84 Gungjuan Rd., New Taipei City 24301, Taiwan