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学科主题: 物理化学
题名: Enhanced selectivity of CO2 over CH4 in sulphonate-, carboxylate- and iodo-functionalized UiO-66 frameworks
作者: Biswas, Shyam1;  Zhang, Jian2;  Li, Zhibao2;  Liu, Ying-Ya1;  Grzywa, Maciej3;  Sun, Lixian2, 4;  Volkmer, Dirk3;  Van der Voort, Pascal1
通讯作者: Van der Voort ;  P.
刊名: DALTON TRANSACTIONS
发表日期: 2013
DOI: 10.1039/c3dt32288b
卷: 42, 期:13, 页:4730-4737
收录类别: SCI
合作性质: 
文章类型: Article
部门归属: DNL19
项目归属: DNL1903
产权排名: 待补充
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Inorganic & Nuclear
资助者: 2,2
研究领域[WOS]: Chemistry
英文摘要: Three new functionalized UiO-66-X (X = -SO3H, 1; -CO2H, 2; -I; 3) frameworks incorporating BDC-X (BDC: 1,4-benzenedicarboxylate) linkers have been synthesized by a solvothermal method using conventional electric heating. The as-synthesized (AS) as well as the thermally activated compounds were characterized by X-ray powder diffraction (XRPD), diffuse reflectance infrared Fourier transform (DRIFT) spectroscopy, thermogravimetric (TG), and elemental analysis. The occluded H2BDC-X molecules can be removed by exchange with polar solvent molecules followed by thermal treatment under vacuum leading to the empty-pore forms of the title compounds. Thermogravimetric analysis (TGA) and temperature- dependent XRPD (TDXRPD) experiments indicate that 1, 2 and 3 are stable up to 260, 340 and 360 degrees C, respectively. The compounds maintain their structural integrity in water, acetic acid and 1 M HCl, as verified by XRPD analysis of the samples recovered after suspending them in the respective liquids. As confirmed by N-2, CO2 and CH4 sorption analyses, all of the thermally activated compounds exhibit significant microporosity (S-Langmuir: 769-842 m(2) g(-1)), which are comparable to that of the parent UiO-66 compound. Compared to the unfunctionalized UiO-66 compound, all the three functionalized solids possess higher ideal selectivity in adsorption of CO2 over CH4 at 33 degrees C.
关键词[WOS]: METAL-ORGANIC FRAMEWORKS ;  ZIRCONIUM TEREPHTHALATE UIO-66(ZR) ;  ZEOLITIC IMIDAZOLATE FRAMEWORKS ;  GAS-ADSORPTION ;  DRUG-DELIVERY ;  COORDINATION POLYMERS ;  ACID CATALYSIS ;  H-2 STORAGE ;  PORE-SIZE ;  SEPARATION
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000316294400050
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/119084
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Univ Ghent, Ctr Ordered Mat Organometall & Catalysis, Dept Inorgan & Phys Chem, B-9000 Ghent, Belgium
2.Chinese Acad Sci, Dalian Inst Chem Phys, Mat & Thermochem Lab, Dalian 116023, Peoples R China
3.Univ Augsburg, Chair Solid State & Mat Sci, Inst Phys, D-86135 Augsburg, Germany
4.Guilin Univ Elect Technol, Guangxi Key Lab Informat Mat, Guilin 541004, Peoples R China

Recommended Citation:
Biswas, Shyam,Zhang, Jian,Li, Zhibao,et al. Enhanced selectivity of CO2 over CH4 in sulphonate-, carboxylate- and iodo-functionalized UiO-66 frameworks[J]. DALTON TRANSACTIONS,2013,42(13):4730-4737.
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