1. Nano-crystal Design and Application Lab (n-DAL), Department of Physics, PSG Institute of Technology and Applied Research, Coimbatore-641062, Tamil Nadu, India
2. Functional Materials Lab (FML), Department of Chemistry, PSG Institute of Technology and Applied Research, Coimbatore-641062, Tamil Nadu, India
3. I3NAveiro, Department of Physics, University of Aveiro, 3810 193 Aveiro, Portugal