1. Rubber Technology Centre, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
2. Department of Material Science, Montanuniversität Leoben, Leoben, Styria 8700, Austria
3. Department of Advanced Technology Development Centre, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
4. School of Nanoscience and Technology, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
5. Department of Electronics and Electrical Communication Engineering, Indian Institute of Technology Kharagpur, Kharagpur 721302, India