1. Laboratory of Organic Electronics Department of Science and Technology Linköping University Norrköping SE‐60174 Sweden
2. School of Basic Sciences Indian Institute of Technology Mandi Kamand Mandi Himachal Pradesh 175005 India
3. Department of Physics College of Science King Faisal University P.O. Box 400 Hofuf Al‐Ahsa 31982 Kingdom of Saudi Arabia
4. Centre for Nano and Material Sciences Jain University Ramanagaram Bangalore Karnataka 562112 India