化学
X射线光电子能谱
催化作用
间苯二甲酸
红外光谱学
傅里叶变换红外光谱
扫描电子显微镜
乙炔
热重分析
热脱附光谱法
解吸
无机化学
化学工程
有机化学
吸附
核化学
高分子化学
选择性
工程类
物理
聚酯纤维
量子力学
对苯二甲酸
作者
Yibo Wu,Fuxiang Li,Fuxiang Li,Yun-Li Cao,X. Fu,Zihong Pan,Yangyang Feng,Qingbin Li
标识
DOI:10.1002/jccs.202100196
摘要
A series of tin-organic frameworks materials (SnMOF) were synthesized using different organic linkers, including phthalic acid, isophthalic acid, 1,4-dicarboxybenzene, and 1,3,5-benzenetricarboxylic acid. The structure and morphology of SnMOF were characterized by Fourier Transform infrared spectroscopy (FT-IR), X-ray diffraction, N2 adsorption/desorption isortherm (BET), scanning electron microscope-Energy Dispersive System (EDS), and Thermogravimetry (TG). Taking together, these experimental results indicated that the different types and amounts of COOH in organic linkers have a significant effect on the physical properties of SnMOF. Among them, carbon-supported SnMOF as catalysts for acetylene hydrochlorination features the considerable activity and vinyl chloride selectivity. Such excellent performance is attributed to the fact that 1,3,5-benzenetricarboxylic acid can effectively strengthen the interaction effect between C2H2 and Sn-O-C, according to the results of C2H2-TPD, HCl adsorption experiments, and X-ray photoelectron spectroscopy (XPS).
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