1. Department of Chemistry, SRM University AP─Andhra Pradesh, Mangalagiri 522240, Andhra Pradesh, India
2. Engineering Product Development, Singapore University of Technology and Design (SUTD), 8 Somapah Road, Singapore 487372, Singapore
3. Star Laboratory, Department of Chemistry, Sri Sathya Sai Institute of Higher Learning, Prasanthi Nilayam, Sri Sathya Sai, Puttaparthi 515134, Andhra Pradesh, India
4. Nick Holonyak Jr. Micro and Nanotechnology Laboratory (HMNTL), University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
5. Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
6. Department of Bioengineering, University of Illinois at Urbana−Champaign, Urbana, IL 61801, USA
7. International and Inter University Centre for Nanoscience and Nanotechnology, Mahatma Gandhi University, Kottayam 686 560, Kerala, India
8. Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA