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Metal-organic aerogels based on dinuclear rhodium paddle-wheel units: design, synthesis and catalysis
Zhu, BF; Liu, G; Chen, LF; Qiu, LQ; Chen, LP; Zhang, JY; Zhang, L; Barboiu, M; Si, R; Su, CY; Su, CY (reprint author), Sun Yat Sen Univ, Lehn Inst Funct Mat, Sch Chem & Chem Engn, MOE Lab Bioinorgan & Synthet Chem, Guangzhou 510275, Guangdong, Peoples R China.; Su, CY (reprint author), Chinese Acad Sci, Shanghai Inst Organ Chem, State Key Lab Organometall Chem, Shanghai 200032, Peoples R China.
2016
Source PublicationINORGANIC CHEMISTRY FRONTIERS
ISSN2052-1553
Volume3Issue:5Pages:702—710
Subtype期刊文献
AbstractA series of metal-organic gels (MOG-Rh-1a-d) are synthesized by the reaction of dirhodium(II) tetra-acetate (Rh-2(OAc)(4)) and the tricarboxylic acid 4,4',4 ''-[1,3,5-benzenetriyltris(carbonylimino)]tristribenzoic acid (H(3)btctb) in DMF/water or DMF/methanol. After drying with subcritical carbon dioxide, metal-organic aerogels (MOA-Rh-1a-d) were obtained and fully characterized by EA, SEM, TEM, TGA, PXRD, UV-vis, XPS and EXAFS measurements. The presence of dinuclear rhodium paddle-wheel units and the Rh2+ valence in the aerogels are proven by UV-vis, XAS and XPS spectra. As revealed by the SEM and TEM images, the aerogels have a general porous structure with an entangled worm-like morphology. The porosity of the aerogels is confirmed by nitrogen adsorption at 77 K, and the sorption isotherms present type-IV curves, indicating that both micro-and meso-porosities are present. The accessibility of the mesopores is verified by dye uptake such as methylene blue (MB, 14.4 x 6.1 angstrom(2)) and Coomassie brilliant blue R-250 (BBR-250, 22 x 18 angstrom(2)). The catalytic tests disclose that MOA-Rh-1d is effective in the coupling reaction of CO2 and epoxides as well as intramolecular C-H amination of vinyl azides. MOA-Rh-1d can be recycled easily and used for at least ten runs with yields in the range of 91-98% in CO2 conversion reactions.
KeywordCoordination Polymers Co2 Adsorption Complexes Ligands Gels Framework Hydrogenation Carboxylate Template Acetate
DOI10.1039/c5qi00272a
Indexed BySCI
Language英语
WOS IDWOS:000376139200013
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/25772
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorZhang, L; Su, CY (reprint author), Sun Yat Sen Univ, Lehn Inst Funct Mat, Sch Chem & Chem Engn, MOE Lab Bioinorgan & Synthet Chem, Guangzhou 510275, Guangdong, Peoples R China.; Su, CY (reprint author), Chinese Acad Sci, Shanghai Inst Organ Chem, State Key Lab Organometall Chem, Shanghai 200032, Peoples R China.
Recommended Citation
GB/T 7714
Zhu, BF,Liu, G,Chen, LF,et al. Metal-organic aerogels based on dinuclear rhodium paddle-wheel units: design, synthesis and catalysis[J]. INORGANIC CHEMISTRY FRONTIERS,2016,3(5):702—710.
APA Zhu, BF.,Liu, G.,Chen, LF.,Qiu, LQ.,Chen, LP.,...&Su, CY .(2016).Metal-organic aerogels based on dinuclear rhodium paddle-wheel units: design, synthesis and catalysis.INORGANIC CHEMISTRY FRONTIERS,3(5),702—710.
MLA Zhu, BF,et al."Metal-organic aerogels based on dinuclear rhodium paddle-wheel units: design, synthesis and catalysis".INORGANIC CHEMISTRY FRONTIERS 3.5(2016):702—710.
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