1. Optoelectronics and Nanomaterials’ Research Laboratory, Department of Physics, Union Christian College, Aluva, Kerala 683102, India
2. Department of Biosciences, Rajagiri College of Social Sciences, Kalamassery, Kochi, Kerala 683104, India
3. Cochin University of Science and Technology, Thrikkakara, Kerala 682022, India
4. CHRIST (Deemed to be University), Bengaluru, Karnataka 560029, India