Cation-Assisted Water Oxidation with Crown Ether-Based Covalent Organic Frameworks - Hiranmoy Pal; Arun Karmakar; Arnab Sadhukhan; Rahul Kumar Sharma; Srayasee Paul; Matthew A. Addicoat; Yusuke Nishiyama; Biswarup Pathak; Subrata Kundu; Rahul Banerjee (Journal of the American Chemical Society, 2025)