1. Department of Chemistry, Indian Institute of Technology Kanpur, Uttar Pradesh, Kanpur 208016 (India)
2. Inorganic Materials and Catalysis Division, CSIR‐CSMCRI, Bhavnagar, G. B. Marg, Gujarat 364002 (India)
3. National Institute of Advanced Industrial Science and Technology, Ikeda, Osaka, 563‐8577 (Japan)