The Flower-Shaped Co (II) and Cu (II) Phthalocyanine Polymers as Highly Efficient and Stable Catalysts for Chemical Fixation of CO2 to Cyclic Carbonate
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引用次数: 0
Abstract
New flower-shaped metallophthalocyanine polymers (THB-4-M, M = Co, Cu) have been synthesized by using 1,3,5-Tri(4-hydroxyphenhyl) benzene (THB) as rigid and contorted units to control the morphology under the solvothermal method. The polymers were characterized using FT-IR, UV-vis, SEM, TGA, and XPS. These polymers were applied as heterogeneous catalysts for the chemical fixation of carbon dioxide (CO2) to cyclic carbonates without solvent. The influence of reaction parameters and different metal centers on the catalytic performance were studied in detail. Under optimal conditions, the catalysts showed high conversion (49.9–99.0%), selectivity (over 85%), and reusability at ambient conditions (at 1 bar CO2).
采用溶剂热法，以1,3,5-三（4-羟基苯基）苯（THB）为刚性和扭曲单元控制其形态，合成了新型花状金属酞菁聚合物（THB-4-M, M = Co, Cu）。采用FT-IR、UV-vis、SEM、TGA和XPS对聚合物进行了表征。这些聚合物被用作非均相催化剂，用于二氧化碳（CO2）在无溶剂的情况下对环状碳酸盐的化学固定。详细研究了反应参数和不同金属中心对催化性能的影响。在最佳条件下，催化剂具有较高的转化率（49.9 ~ 99.0%）、选择性（85%以上）和环境条件下（1 bar CO2）的可重复使用性。
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