1. Materials Research Centre, Indian Institute of Science, Bangalore-560012, Karnataka, India
2. Micro Nano Characterization Facility, Centre for Nano Science and Engineering, Indian Institute of Science, Bangalore-560012, India
3. Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
4. Materials Architecturing Research Center, Korea Institute of Science and Technology (KIST), 5 Hwarang-ro 14-gil, Seongbuk-gu, Seoul 02792, Republic of Korea
5. Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia
6. Department of Materials Process Engineering, Graduate School of Engineering, Nagoya University, Nagoya 464–8603, Japan
7. Institute of Physics (IOP), Bhubaneshwar-751005, India