1. Organic and Hybrid Electronics Device Laboratory, Department of Energy Science and Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
2. Department of Physics, Chinmaya Vishwavidyapeeth Institute of Science and Technology, Ernakulam 686667, Kerala, India
3. Organic Nano Electronics Group, Interdisciplinary Centre for Energy Research Indian Institute of Science, Bangalore 560012, Karnataka, India
4. International School of Photonics, Cochin University of Science and Technology, Cochin 682022, Kerala, India