1. Department of Physics, University of Calabria, Via P. Bucci, 87036 Rende, CS, Italy
2. CNR NANOTEC—Istituto di Nanotecnologia, UOS Cosenza, 87036 Rende, CS, Italy
3. Institute of Applied Sciences and Intelligent Systems ”E. Caianiello” CNR, 80078 Pozzuoli, Italy
4. Department of Food Safety, Nutrition and Veterinary Public Health, Istituto Superiore di Sanitá, 00161 Rome, Italy
5. Institute of Photonics, Faculty of Science, Ningbo University, 315211 Ningbo, People’s Republic of China
6. LUMIN Laboratory (CNRS), Institut d’Alembert, Universitè Paris Saclay, 91190 Gif sur Yvette, France