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Elucidating the reactivity and nature of active sites for tin phthalocyanine during CO2 reduction
Greenhouse Gases: Science and Technology ( IF 2.2 ) Pub Date : 2021-05-24 , DOI: 10.1002/ghg.2081
Subrato Acharjya 1 , Jiacheng Chen 1 , Minghui Zhu 1 , Chong Peng 1, 2
Affiliation  

Immobilized tin phthalocyanine dichloride (SnPcCl2) was prepared by refluxing SnPcCl2 and hydroxyl-functionalized carbon nanotubes in DMF with the addition of triethylamine, which exhibited minimal aggregation and approximately 2–3 folds improvement in activity towards CO2 electroreduction compared to the physically mixed SnPcCl2/CNT hybrid. Cyclic voltammetry analysis and in situ UV-vis spectra revealed that metallic tin is the active site for CO2 electroreduction, and the redox behavior of Sn0 is affected by the adjacent demetallized macrocycles. © 2021 Society of Chemical Industry and John Wiley & Sons, Ltd.

中文翻译:

阐明在 CO2 还原过程中锡酞菁的活性位点的反应性和性质

固定化锡酞菁二氯化物 (SnPcCl 2 ) 通过在 DMF 中回流 SnPcCl 2和羟基官能化碳纳米管并添加三乙胺制备,与物理混合的相比,其显示出最小的聚集和对 CO 2电还原的活性提高约 2-3 倍SnPcCl 2 /CNT 杂化物。循环伏安分析和原位紫外-可见光谱表明,金属锡是CO 2电还原的活性位点,Sn 0的氧化还原行为受到相邻脱金属大环的影响。© 2021 化学工业协会和 John Wiley & Sons, Ltd.
更新日期:2021-05-24
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