1. Optoelectronics Laboratory, Department of Physics, Kavayitri Bahinabai Chaudhari North Maharashtra University, Jalgaon-425001, Maharashtra, India
2. RUSA Centre for Advanced Sensor Technology, Department of Physics, Babasaheb Ambedkar Marathwada University, Aurangabad-431004, Maharashtra, India
3. Chemistry Division, Bhabha Atomic Research Centre, Mumbai 400085, India