1. School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata-700032, West Bengal, India
2. Department of Chemistry, St. Xaviers' College, Kolkata-700016, West Bengal, India
3. School of Physics and Physical Engineering, Qufu Normal University, 273165 Qufu, China
4. Department of Physics, Universidade Federal do Espírito Santo, 29075-910 Victória, Brazil
5. Departamento de Qumica, and Centro de Qumica, Universidade de Coimbra, 3004-535 Coimbra, Portugal