文献类型：期刊文献

英文题名：Highly Dispersed Cobalt Centers on UiO-66-NH2 for Photocatalytic CO2 Reduction

作者：Hu, Songchang[1,2];Deng, Zesheng[1,2];Xing, Mingyang[1,2];Wu, Shiqun[1,2];Zhang, Jinlong[1,2,3]

机构：[1]East China Univ Sci & Technol, Sch Chem & Mol Engn, Key Lab Adv Mat, Shanghai Engn Res Ctr Multimedia Environm Catalys, 130 Meilong Rd, Shanghai 200237, Peoples R China;[2]East China Univ Sci & Technol, Sch Chem & Mol Engn, Joint Int Res Lab Precis Chem & Mol Engn, 130 Meilong Rd, Shanghai 200237, Peoples R China;[3]Yancheng Inst Technol, Sch Chem & Chem Engn, Yancheng 224051, Peoples R China

年份：2023

卷号：153

期号：5

起止页码：1475

外文期刊名：CATALYSIS LETTERS

收录：;EI(收录号：20222712314883);WOS:【SCI-EXPANDED(收录号:WOS:000819722800001)】；

基金：This work was supported by National Natural Science Foundation of China (Grant Nos. 21972040, 21773062), Innovation Program of Shanghai Municipal Education Commission (Grant No. 2021-01-07-00-02-E00106), and the Science and Technology Commission of Shanghai Municipality (Grant No. 20DZ2250400).

语种：英文

外文关键词：CO2 reduction; Photocatalysis; Cobalt; UiO-66-NH2

摘要：Metal-organic frameworks (MOFs) are potential photocatalytic materials for CO2 reduction, however, still limited by their low efficiency. In this work, cobalt decorated UiO-66-NH2 (xCoNU, x presents the mass friction of cobalt) were successfully synthesized through an economic NaBH 4 treating method and applied for CO2 photocatalytic reduction. It was confirmed that cobalt worked as the active site in the system, and an optimized CO yielding rate of 1.93 mmol g(-1) h(-1) in 3 h was achieved on 5CoNU, which is 10.2 times higher than that of UiO-66-NH2. Characterization results revealed that the highly dispersed cobalt in xCoNU accelerates the charge separation and electron transport in the photocatalytic system, improving the photocatalytic CO2 reduction performance. This work provides a simple and convenient method to modify MOFs with metal cocatalyst, and is expected to advance the development of efficient CO2 photoreduction catalysts. [GRAPHICS] .