1. Hybrid Nanodevice Research Group (HNRG), Electrical Engineering, Indian Institute of Technology Indore, Indore, Madhya Pradesh 453552, India
2. Department of Chemistry, Indian Institute of Technology Indore, Indore, Madhya Pradesh 453552, India
3. CSIR-Central Electronics Engineering Research Institute (CSIR-CEERI), Pilani, Rajasthan 333031, India