1. Functional Materials and Devices Division (FMDD) CSIR‐Central Glass and Ceramic Research Institute (CSIR‐CGCRI) Kolkata West Bengal 700032 India
2. Chemical Sciences and Technology Division (CSTD) CSIR‐National Institute for Interdisciplinary Science and Technology (CSIR‐NIIST) Thiruvananthapuram Kerala 695019 India