The Flower-Shaped Co (II) and Cu (II) Phthalocyanine Polymers as Highly Efficient and Stable Catalysts for Chemical Fixation of CO2 to Cyclic Carbonate - Yuyang Zhou; Shengyu Shao; Xiang Han; Baocheng Zhou; Yifeng Han; Xiaoping Dong; Sanchuan Yu (C, 2024)