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金属有机框架材料对Cr(Ⅵ)离子的吸附去除研究进展 CSCD
期刊论文 | 2021 , 37 (03) , 385-400 | 无机化学学报
CNKI被引次数: 7
摘要&关键词 引用

摘要 :

重金属离子污染问题一直备受关注。开发利用多孔材料吸附去除水中重金属离子一直是材料、环境等相关学科领域的研究热点之一。金属有机框架材料(metal-organic frameworks,MOFs)是一类新型的多孔材料,具有结构多样、比表面积大、孔径可调、孔表面特征易设计调控等特点,在气体分离、催化、传感等领域表现出极大的应用潜力。近年来,高稳定MOF材料的构筑取得了许多重大突破,大量研究工作探索了这类材料在水中的应用,包括水中重金属离子的吸附去除。Cr(Ⅵ)离子是一类毒性大、分布广的重金属离子,不同条件下存在形态多样,其吸附去除研究具有理论和实际意义。本文主要综述了近年来利用MOF材料吸附去除水...

关键词 :

多孔材料 多孔材料 吸附去除 吸附去除 六价铬Cr(Ⅵ) 六价铬Cr(Ⅵ) 金属有机框架 金属有机框架 重金属污染 重金属污染

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GB/T 7714 李茹霞 , 钟文彬 , 谢林华 et al. 金属有机框架材料对Cr(Ⅵ)离子的吸附去除研究进展 [J]. | 无机化学学报 , 2021 , 37 (03) : 385-400 .
MLA 李茹霞 et al. "金属有机框架材料对Cr(Ⅵ)离子的吸附去除研究进展" . | 无机化学学报 37 . 03 (2021) : 385-400 .
APA 李茹霞 , 钟文彬 , 谢林华 , 谢亚勃 , 李建荣 . 金属有机框架材料对Cr(Ⅵ)离子的吸附去除研究进展 . | 无机化学学报 , 2021 , 37 (03) , 385-400 .
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金属有机框架材料对Cr(Ⅵ)离子的吸附去除研究进展 CQVIP
期刊论文 | 2021 , 37 (3) , 385-400 | 李茹霞
摘要&关键词 引用

摘要 :

金属有机框架材料对Cr(Ⅵ)离子的吸附去除研究进展

关键词 :

六价铬Cr(Ⅵ) 六价铬Cr(Ⅵ) 吸附去除 吸附去除 多孔材料 多孔材料 重金属污染 重金属污染 金属有机框架 金属有机框架

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GB/T 7714 李茹霞 , 钟文彬 , 谢林华 et al. 金属有机框架材料对Cr(Ⅵ)离子的吸附去除研究进展 [J]. | 李茹霞 , 2021 , 37 (3) : 385-400 .
MLA 李茹霞 et al. "金属有机框架材料对Cr(Ⅵ)离子的吸附去除研究进展" . | 李茹霞 37 . 3 (2021) : 385-400 .
APA 李茹霞 , 钟文彬 , 谢林华 , 谢亚勃 , 李建荣 , 无机化学学报 . 金属有机框架材料对Cr(Ⅵ)离子的吸附去除研究进展 . | 李茹霞 , 2021 , 37 (3) , 385-400 .
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Understanding how pore surface fluorination influences light hydrocarbon separation in metal–organic frameworks EI
期刊论文 | 2021 , 407 | Chemical Engineering Journal
摘要&关键词 引用

摘要 :

The designability and tunability of the pore structure are the advantage of metal–organic frameworks (MOFs) for adsorptive separation applications. However, it is still challenging to design MOF adsorbent rationally according to industrial demands, because of the complexity in the separation processes and the relative lack of structure-separation relationship information. Herein, we established a contrastive model ingeniously via structural modification at the atom level in three Cu(II)-MOFs constructed from isonicotinic acid (HINA) and its fluorinated analogue 3-fluoro-isonicotinic acid (HFINA), targeting on controlling pore surface fluorination for studying light hydrocarbon separation. Both the fluorinated MOFs (Cu-FINA-1 and 2) show notably enhanced C2H2/C2H4 and C3H4/C3H6 selectivity compared with Cu-INA without increasing regeneration energy consumption. Especially, Cu-FINA-2 exhibits a considerable IAST selectivity (6.3–9.3) for C3H4/C3H6, while Cu-FINA-1 achieves a C3H6 process productivity of 31.6 cm3/g in column breakthrough experiments. Molecular simulations reveal that the polar F sites within the confined pores can interact with gas adsorbates through C-H···F hydrogen bonds, and the tailored pore size and optimal diffusion kinetics mainly contribute to the excellent separation selectivity for Cu-FINA-1. This work highlights how pore surface fluorination and related structural evolution can influence light hydrocarbon adsorption/separation properties in MOFs, and thus promotes the rational design and precise optimization of new adsorbents for alkynes/alkenes separations, even at the atom level. © 2020 Elsevier B.V.

关键词 :

Copper compounds Copper compounds Energy utilization Energy utilization Fluorination Fluorination Halogenation Halogenation Hydrocarbon refining Hydrocarbon refining Hydrocarbons Hydrocarbons Hydrogen bonds Hydrogen bonds Pore size Pore size Pore structure Pore structure Separation Separation Structural design Structural design

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GB/T 7714 Wu, Xue-Qian , Liu, Jing-Hao , He, Tao et al. Understanding how pore surface fluorination influences light hydrocarbon separation in metal–organic frameworks [J]. | Chemical Engineering Journal , 2021 , 407 .
MLA Wu, Xue-Qian et al. "Understanding how pore surface fluorination influences light hydrocarbon separation in metal–organic frameworks" . | Chemical Engineering Journal 407 (2021) .
APA Wu, Xue-Qian , Liu, Jing-Hao , He, Tao , Zhang, Peng-Dan , Yu, Jiamei , Li, Jian-Rong . Understanding how pore surface fluorination influences light hydrocarbon separation in metal–organic frameworks . | Chemical Engineering Journal , 2021 , 407 .
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Linker Desymmetrization: Access to a Series of Rare-Earth Tetracarboxylate Frameworks with Eight-Connected Hexanuclear Nodes. PubMed
期刊论文 | 2021 , 143 (7) , 2784-2791 | Journal of the American Chemical Society
摘要&关键词 引用

摘要 :

The exploration of metal-organic frameworks (MOFs) through the rational design of building units with specific sizes, geometries, and symmetries is essential for enriching the structural diversity of porous solids for applications including storage, separation, and conversion. However, it is still a challenge to directly synthesize rare-earth (RE) MOFs with less connected clusters as a thermodynamically favored product. Herein, we report a systematic investigation on the influence of size, rigidity, and symmetry of linkers over the formation of RE-tetracarboxylate MOFs and uncover the critical role of linker desymmetrization in constructing RE-MOFs with eight-connected hexanuclear clusters. Our results on nine new RE-MOFs, PCN-50X (X = 1-9), indicate that utilization of trapezoidal or tetrahedral linkers provides accesses to traditionally unattainable RE-tetracarboxylate MOFs with 8-c hexanuclear nodes, while the introduction of square or rectangular linkers during the assembly of RE-MOFs based on polynuclear clusters typically leads to the MOFs constructed from 12-c nodes with underlying shp topology. By rational linker design, MOFs with two unprecedented (4, 8)-c nets, lxl and jun, can also be obtained. This work highlights linker desymmetrization as a powerful strategy to enhance MOFs' structural complexity and access MOF materials with nondefault topologies that can be potentially used for separation and catalysis.

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GB/T 7714 Lv Xiu-Liang , Feng Liang , Xie Lin-Hua et al. Linker Desymmetrization: Access to a Series of Rare-Earth Tetracarboxylate Frameworks with Eight-Connected Hexanuclear Nodes. [J]. | Journal of the American Chemical Society , 2021 , 143 (7) : 2784-2791 .
MLA Lv Xiu-Liang et al. "Linker Desymmetrization: Access to a Series of Rare-Earth Tetracarboxylate Frameworks with Eight-Connected Hexanuclear Nodes." . | Journal of the American Chemical Society 143 . 7 (2021) : 2784-2791 .
APA Lv Xiu-Liang , Feng Liang , Xie Lin-Hua , He Tao , Wu Wei , Wang Kun-Yu et al. Linker Desymmetrization: Access to a Series of Rare-Earth Tetracarboxylate Frameworks with Eight-Connected Hexanuclear Nodes. . | Journal of the American Chemical Society , 2021 , 143 (7) , 2784-2791 .
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Effective Removal of Clenbuterol and Ractopamine from Water with a Stable Al(III)-Based Metal-Organic Framework. PubMed
期刊论文 | 2021 , 60 (3) , 1814-1822 | Inorganic chemistry
摘要&关键词 引用

摘要 :

Clenbuterol (CLE) and ractopamine (RAC) are two kinds of typical β2-adrenergic agonists which pose a serious threat to the health of human beings. In this work, 10 kinds of metal-organic frameworks (MOFs) with high stability and various pore features are screened to assess adsorption performance for CLE and RAC. An Al(III)-MOF (BUT-19) with abundant ethyl groups exhibits exceptional performance in removing CLE and RAC from water. The maximum adsorption capacity for CLE and RAC are up to 294.1 and 366.3 mg/g under the optimum adsorption conditions, respectively. Meanwhile, the adsorption mechanism effects of pH, temperature, and coexisted ions are investigated systematically. It is found that the MOF pore size and weak hydrogen-bond interactions between CLE/RAC molecules and the MOF are the main causes leading to the extraordinary adsorption. This study provides a new idea for the purposeful design and synthesis of MOFs for removing environmental pollutants and sheds light on the depuration of contaminated water.

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GB/T 7714 Lv Jie , Chen Qiang , Liu Jing-Hao et al. Effective Removal of Clenbuterol and Ractopamine from Water with a Stable Al(III)-Based Metal-Organic Framework. [J]. | Inorganic chemistry , 2021 , 60 (3) : 1814-1822 .
MLA Lv Jie et al. "Effective Removal of Clenbuterol and Ractopamine from Water with a Stable Al(III)-Based Metal-Organic Framework." . | Inorganic chemistry 60 . 3 (2021) : 1814-1822 .
APA Lv Jie , Chen Qiang , Liu Jing-Hao , Yang Hao-Sen , Wang Peilong , Yu Jiamei et al. Effective Removal of Clenbuterol and Ractopamine from Water with a Stable Al(III)-Based Metal-Organic Framework. . | Inorganic chemistry , 2021 , 60 (3) , 1814-1822 .
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A Practice of Reticular Chemistry: Construction of a Robust Mesoporous Palladium Metal-Organic Framework via Metal Metathesis SCIE
期刊论文 | 2021 , 143 (26) , 9901-9911 | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
WoS核心集被引次数: 61
摘要&关键词 引用

摘要 :

Constructing stable palladium(II)-based metal-organic frameworks (MOFs) would unlock more opportunities for MOF chemistry, particularly toward applications in catalysis. However, their availability is limited by synthetic challenges due to the inertness of the Pd-ligand coordination bond, as well as the strong tendency of the Pd(II) source to be reduced under typical solvothermal conditions. Under the guidance of reticular chemistry, herein, we present the first example of an azolate Pd-MOF, BUT-33(Pd), obtained via a deuterated solvent-assisted metal metathesis. BUT-33(Pd) retains the underlying sodalite network and mesoporosity of the template BUT-33(Ni) and shows excellent chemical stability (resistance to an 8 M NaOH aqueous solution). With rich Pd(II) sites in the atomically precise distribution, it also demonstrates good performances as a heterogeneous Pd(II) catalyst in a wide application scope, including Suzuki/Heck coupling reactions and photocatalytic CO2 reduction to CH4. This work highlights a feasible approach to reticularly construct noble metal based MOFs via metal metathesis, in which various merits, including high chemical stability, large pores, and tunable functions, have been integrated for addressing challenging tasks.

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GB/T 7714 He, Tao , Kong, Xiang-Jing , Zhou, Jian et al. A Practice of Reticular Chemistry: Construction of a Robust Mesoporous Palladium Metal-Organic Framework via Metal Metathesis [J]. | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY , 2021 , 143 (26) : 9901-9911 .
MLA He, Tao et al. "A Practice of Reticular Chemistry: Construction of a Robust Mesoporous Palladium Metal-Organic Framework via Metal Metathesis" . | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 143 . 26 (2021) : 9901-9911 .
APA He, Tao , Kong, Xiang-Jing , Zhou, Jian , Zhao, Chen , Wang, Kecheng , Wu, Xue-Qian et al. A Practice of Reticular Chemistry: Construction of a Robust Mesoporous Palladium Metal-Organic Framework via Metal Metathesis . | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY , 2021 , 143 (26) , 9901-9911 .
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A stable Co(II)-based metal-organic framework with dual-functional pyrazolate-carboxylate ligand: Construction and CO2 selective adsorption and fixation SCIE CSCD
期刊论文 | 2021 , 32 (2) , 918-922 | CHINESE CHEMICAL LETTERS
WoS核心集被引次数: 28
摘要&关键词 引用

摘要 :

By taking the functional advantages of both pyrazolate and carboxylate ligands, a unique dual-functional pyrazolate-carboxylate ligand acid, 4-(3,6-di(pyrazol-4-yl)-9-carbazol-9-yl)benzoic acid (H(3)PCBA) was designed and synthesized. Using it, a new Co(II)-based metal-organic framework (MOF), Co-3(PC-BA)(2)(H2O)(2) (BUT-75) has been constructed. It revealed a (3,6)-connected net based on the 6-connected linear trinuclear metal node, and showed good chemical stability in a wide pH range from 3 to 12 at room temperature, as well as in boiling water. Due to the presence of rich exposed Co(II) sites in pores, BUT-75 presented high selective CO2 adsorption capacity over N-2 at 298 K. Simultaneously, it demonstrated fine catalytic performance for the cycloaddition of CO2 with epoxides into cyclic carbonates under ambient conditions. This work has not only enriched the MOF community through integrating diverse functionalities into one ligand but also contributed a versatile platform for CO2 fixation, thereby pushing MOF chemistry forward by stability enhancement and application expansion. (C) 2020 Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences. Published by Elsevier B.V. All rights reserved.

关键词 :

CO2 fixation CO2 fixation CO2 selective adsorption CO2 selective adsorption Construction Construction Metal-organic framework (MOF) Metal-organic framework (MOF) Pyrazolate-carboxylate ligand Pyrazolate-carboxylate ligand

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GB/T 7714 Si, Guangrui , Kong, Xiangjing , He, Tao et al. A stable Co(II)-based metal-organic framework with dual-functional pyrazolate-carboxylate ligand: Construction and CO2 selective adsorption and fixation [J]. | CHINESE CHEMICAL LETTERS , 2021 , 32 (2) : 918-922 .
MLA Si, Guangrui et al. "A stable Co(II)-based metal-organic framework with dual-functional pyrazolate-carboxylate ligand: Construction and CO2 selective adsorption and fixation" . | CHINESE CHEMICAL LETTERS 32 . 2 (2021) : 918-922 .
APA Si, Guangrui , Kong, Xiangjing , He, Tao , Wu, Wei , Xie, Linhua , Li, Jianrong . A stable Co(II)-based metal-organic framework with dual-functional pyrazolate-carboxylate ligand: Construction and CO2 selective adsorption and fixation . | CHINESE CHEMICAL LETTERS , 2021 , 32 (2) , 918-922 .
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Simultaneous adsorption and determination of bisphenol compounds in water medium with a Zr(IV)-based metal-organic framework. PubMed
期刊论文 | 2021 , 188 (3) , 83 | Mikrochimica acta
摘要&关键词 引用

摘要 :

A chemically stable Zr(IV)-based metal-organic framework (BUT-17) has been explored for simultaneous adsorption and determination of bisphenol compounds (BPs) in aqueous medium. The prepared BUT-17 possesses a large surface area (2936 m2 g-1) and excellent fluorescent performance. An adsorption capacity of 111 mg g-1 for bisphenol A (BPA) with a rapid adsorption rate (1.76 g mg-1 min-1) is achieved by BUT-17. The excellent adsorption performance could be attributed to the hydrogen bond interaction between BPs and BUT-17. Furthermore, the fluorescent intensity of BUT-17 was quenched up to 92% due to the formation of complexes between BPs and BUT-17. Thus, a BUT-17-based fluorescent sensing method for the rapid determination of BPs has been established with the limit of detection of 10.0 ng mL-1 for BPA and a linear range from 2.0 to 23.0 μg mL-1. These results indicate that as an outstanding multifunctional platform, BUT-17 is promising for the simultaneous removal and determination of BPs in water medium. Simultaneous removal and detection of BPs with BUT-17.

关键词 :

Bisphenol compounds Bisphenol compounds Bisphenol removal Bisphenol removal Metal-organic framework Metal-organic framework

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GB/T 7714 Yu Liming , Cheng Jie , Yang Haosen et al. Simultaneous adsorption and determination of bisphenol compounds in water medium with a Zr(IV)-based metal-organic framework. [J]. | Mikrochimica acta , 2021 , 188 (3) : 83 .
MLA Yu Liming et al. "Simultaneous adsorption and determination of bisphenol compounds in water medium with a Zr(IV)-based metal-organic framework." . | Mikrochimica acta 188 . 3 (2021) : 83 .
APA Yu Liming , Cheng Jie , Yang Haosen , Lv Jie , Wang Peilong , Li Jian-Rong et al. Simultaneous adsorption and determination of bisphenol compounds in water medium with a Zr(IV)-based metal-organic framework. . | Mikrochimica acta , 2021 , 188 (3) , 83 .
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Revealing the effect of anion-tuning in bimetallic chalcogenides on electrocatalytic overall water splitting SCIE CSCD
期刊论文 | 2021 , 14 (12) , 4548-4555 | NANO RESEARCH
WoS核心集被引次数: 33
摘要&关键词 引用

摘要 :

Enhancing electrocatalytic water splitting performance by modulating the intrinsic electronic structure is of great importance. Here, porous bimetallic oxide and chalcogenide nanosheets grown on carbon paper denoted as NiCo2X4/CP (X = O, S, and Se) are prepared to demonstrate how the anion components affect the electronic structures and thereby disclose the correlation between their intermediates interaction and catalytic activities. The experimental characterization and theoretical calculation demonstrate that Se and S substitution can promote the ratio of Co3+/Co2+ and thereby modulate the electronic structure accompanied with the upshift of d band centers, which not only enhance the inner conductivity but also regulate the interaction between the catalyst surface and intermediates, especially for the adsorption of absorbed H and hydroperoxy intermediates towards respective hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). As a result, a full alkaline electrolyzer using NiCo2Se4/CP and NiCo2S4/CP as cathode and anode delivers a low voltage of 1.51 V at 10 mAcm(-2), which is comparable even superior to most transition metal-based electrolyzers.

关键词 :

bimetallic chalcogenide bimetallic chalcogenide electrocatalytic overall water splitting electrocatalytic overall water splitting electronic structure electronic structure high valence Co3+ high valence Co3+ intermediates interaction intermediates interaction

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GB/T 7714 Zhou, Jian , Dou, Yibo , He, Tao et al. Revealing the effect of anion-tuning in bimetallic chalcogenides on electrocatalytic overall water splitting [J]. | NANO RESEARCH , 2021 , 14 (12) : 4548-4555 .
MLA Zhou, Jian et al. "Revealing the effect of anion-tuning in bimetallic chalcogenides on electrocatalytic overall water splitting" . | NANO RESEARCH 14 . 12 (2021) : 4548-4555 .
APA Zhou, Jian , Dou, Yibo , He, Tao , Zhou, Awu , Kong, Xiang-Jing , Wu, Xue-Qian et al. Revealing the effect of anion-tuning in bimetallic chalcogenides on electrocatalytic overall water splitting . | NANO RESEARCH , 2021 , 14 (12) , 4548-4555 .
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Regulation of hydrophobicity and water adsorption of MIL-101(Cr) through post-synthetic modification SCIE
期刊论文 | 2021 , 130 | INORGANIC CHEMISTRY COMMUNICATIONS
WoS核心集被引次数: 20
摘要&关键词 引用

摘要 :

Hydrophobic property of metal-organic frameworks (MOFs) is not only important for their stability improvement but also has a profound effect on the performance of many applications. The essence of coordination bonds led to most of the MOFs are hydrophilic and hydrophobic MOFs are generally achieved by hydrophobic modification of pore surface. Here, we report the systematic regulation of water adsorption and hydrophobic property of a classical MOF MIL-101(Cr) through post-synthetic modification. The contact angle (CA) of modified MIL-101 could vary from 17.9 degrees to 146.5 degrees by changing the alkyl chain length of primary amines. The water adsorption capacity and step pressure can also be tuned correspondingly.

关键词 :

Hydrophobic Hydrophobic Metal-organic framework Metal-organic framework MIL-101(Cr) MIL-101(Cr) Post-synthetic modification Post-synthetic modification Water adsorption Water adsorption

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GB/T 7714 Li, Yi , Wang, Hao-Tian , Zhao, Yan-Long et al. Regulation of hydrophobicity and water adsorption of MIL-101(Cr) through post-synthetic modification [J]. | INORGANIC CHEMISTRY COMMUNICATIONS , 2021 , 130 .
MLA Li, Yi et al. "Regulation of hydrophobicity and water adsorption of MIL-101(Cr) through post-synthetic modification" . | INORGANIC CHEMISTRY COMMUNICATIONS 130 (2021) .
APA Li, Yi , Wang, Hao-Tian , Zhao, Yan-Long , Lv, Jie , Zhang, Xin , Chen, Qiang et al. Regulation of hydrophobicity and water adsorption of MIL-101(Cr) through post-synthetic modification . | INORGANIC CHEMISTRY COMMUNICATIONS , 2021 , 130 .
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