1. Green Chemistry Network Centre, Department of Chemistry University of Delhi 110007 New Delhi India
2. Department of Chemistry, Miranda House College University of Delhi 110007 New Delhi India
3. Department of Chemistry, Acharya Narendra Dev College University of Delhi 110019 New Delhi India
4. Inorganic Materials and Catalysis Division CSIR‐Central Salt and Marine Chemicals Research Institute Bhavnagar Gujarat 364002 India