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Boosting the direct conversion of NHHCO electrolyte to syngas on Ag/Zn zeolitic imidazolate framework

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1196-1207 doi: 10.1007/s11705-022-2289-1

Abstract: A zeolitic imidazolate framework-8 precursor was introduced with different Ag contents via colloid chemicalThis material was carbonized at 1000 °C to obtain AgZn zeolitic imidazolate framework derived nitrogenThe AgZn zeolitic imidazolate framework derived nitrogen carbon catalyst with a Ag/Zn ratio of 0.5:1

Keywords: Ag catalyst     zeolitic imidazolate framework     CO2 electroreduction     ammonium bicarbonate electrolyte    

Bimetallic reduced graphene oxide/zeolitic imidazolate framework hybrid aerogels for efficient heavy

Frontiers of Chemical Science and Engineering 2024, Volume 18, Issue 8, doi: 10.1007/s11705-024-2442-0

Abstract: only adsorption sites but also nucleation sites for in situ crystallization of cobalt-doped zeolitic-imidazolate-frameworkFor instance, the reduced graphene oxide-polydopamine/50cobalt-zeolitic-imidazolate-framework-8 aerogel

Keywords: rGO     Co-doped ZIF-8     heavy metals     adsorption     aerogel    

Zeolitic imidazolate framework-8 (ZIF-8) for drug delivery: A critical review

Simin Feng, Xiaoli Zhang, Dunyun Shi, Zheng Wang

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 2,   Pages 221-237 doi: 10.1007/s11705-020-1927-8

Abstract: Zeolitic imidazolate framework-8 (ZIF-8), composed of Zn ions and imidazolate ligands, is a class ofmetal-organic frameworks, which possesses a similar structure as conventional aluminosilicate zeolites

Keywords: zeolitic imidazolate framework-8 (ZIF-8)     synthesis methods     applications     drug delivery    

Parametric study on the mixed solvent synthesis of ZIF-8 nano- and micro-particles for CO adsorption: A response surface study

Alireza Hadi, Javad Karimi-Sabet, Abolfazl Dastbaz

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 4,   Pages 579-594 doi: 10.1007/s11705-018-1770-3

Abstract: The room temperature synthesis of ZIF-8 micro- and nano-particles was investigated using a mixed methanol-water solvent system. ZIF-8 particles of good quality and high crystallinity were obtained. Response surface methodology was used to determine the effect of the synthesis conditions on the ZIF-8 yield, particle size distribution, and mean particle size. The ligand/metal salt molar ratio followed by the amount of sodium formate (the deprotonating agent) and then the amount of water (i.e., the composition of the mixed solvent) respectively had the largest effects on both the ZIF-8 yield and particle size. Results showed that mixing of solvents with different strengths in producing ZIF-8 crystals is a practical method to size-controlled synthesis of ZIF-8 particles. This method is more favorable for industrial-scale ZIF-8 synthesis than using excess amounts of ligands or chemical additives (like sodium formate). In addition, ZIF-8 samples with different mean particle sizes (100, 500, and 1000 nm) were used for CO adsorption and the mid-sized ZIF-8 particles had the highest adsorption capacity.

Keywords: metal organic frameworks     zeolitic imidazolate frameworks     ZIF-8     response surface methodology     Box Behnken    

Cobalt-nanoparticle catalysts derived from zeolitic imidazolate framework@MXene composites for efficient

Jie Chen;Mingyuan Jian;Deqiong Xie;Kecan Dou;Deli Chen;Weidong Zhu;Fumin Zhang

Frontiers of Chemical Science and Engineering 2024, Volume 18, Issue 1,   Pages 9-9 doi: 10.1007/s11705-023-2378-9

Abstract: Specifically, the composite comprises a bimetallic Zn/Co zeolitic imidazole framework grown in situ

Keywords: MXene     sacrificial template     oxidative self-coupling     Co nanoparticles     imine    

Selective capture and separation of xenon and krypton using metal organic frameworks: a review

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1895-1912 doi: 10.1007/s11705-023-2355-3

Abstract: Metal organic frameworks as hotspot porous materials for gases uptake and separation are considered toIn this review, we comprehensively summarized recent researches on metal organic frameworks for selective

Keywords: metal organic frameworks     xenon     krypton     selective separation     used nuclear fuel    

A ternary mechanism for the facilitated transfer of metal ions onto metal–organic frameworks: implications

Frontiers of Chemical Science and Engineering   Pages 1632-1642 doi: 10.1007/s11705-022-2187-6

Abstract: Although metal–organic frameworks offer a new platform for developing versatile sorption materials, yetHerein, a ternary mechanism for U(VI) uptake in metal–organic frameworks was reported.X-ray spectroscopy and zeta potential measurement reveal that U(VI) uptake in the three metal–organic frameworksThe present study suggests that changing metal center of metal–organic frameworks and sorption conditionsalters sorption mechanism, which helps to construct effective metal–organic frameworks-based sorbents

Keywords: U(VI)     metal–organic frameworks     adsorption mechanism     metal node    

Metal-organic frameworks for CO

Lei ZHANG, Junqing ZHANG

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 221-250 doi: 10.1007/s11708-019-0629-8

Abstract: Metal-organic frameworks (MOFs) have attracted much attention because of their large surface areas, tunable

Keywords: metal-organic frameworks (MOFs)     photocatalysis     CO2 photoreduction     composite    

Heterometallic cluster-based organic frameworks as highly active electrocatalysts for oxygen reduction

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 5,   Pages 570-580 doi: 10.1007/s11705-022-2247-y

Abstract: Recently, metal–organic frameworks are one of the potential catalytic materials for electrocatalyticreaction and oxygen evolution reaction catalytic activities of heterometallic cluster-based organic frameworks

Keywords: bimetallic metal–organic frameworks     bifunctional electrocatalyst     density functional theory     oxygen    

Controllable construction of ionic frameworks for multi-site synergetic enhancement of CO2

Yuke Zhang;Hongxue Xu;Haonan Wu;Lijuan Shi;Jiancheng Wang;Qun Yi

Frontiers of Chemical Science and Engineering 2024, Volume 18, Issue 1,   Pages 4-4 doi: 10.1007/s11705-023-2370-4

Abstract: The emergence of ionic metal-organic frameworks (I-MOFs) has diversified the field of porous materials

Keywords: carbon dioxide capture     micropores     ionic liquids     multi-site synergism     ionic metal-organic frameworks    

Crystalline porous materials: from zeolites to metal-organic frameworks (MOFs)

Zaiku Xie, Bao-Lian Su

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 2,   Pages 123-126 doi: 10.1007/s11705-020-1921-1

Rethinking the tendering frameworks of construction contractors in the context of a soft systems methodology

Stephen URQUHART, Andrew WHYTE

Frontiers of Engineering Management 2018, Volume 5, Issue 3,   Pages 369-380 doi: 10.15302/J-FEM-2018019

Abstract:

Limited research has been conducted on the internal tendering procedures (ITP) of construction contractors because of the commercially sensitive and confidential nature of the subject matter. This limitation explains the reluctance of contractors to undergo interviews. Existing research (outside bid/no-bid and margin decision factor identification and subsequent decision modeling development) only begins to provide insights into key tendering stages, particularly around risk assessments and corporate review processes. Early research suggested one to three review stages. However, when considering the whole work procurement process from prospect identification to contract execution, five to seven series of reviews can be arguably applied by some contractors, wherein some reviews stepped through several layers of internal senior management. Tendering processes were presented as flowchart models that traditionally follow “hard” system (rectangular shapes and straight line arrows) steps, which suggest that a precise process also leads to precise results. However, given that contractors do not win every tender they submit, the process is less precise than that suggested in rigidly structured flowcharts. Twenty-five detailed semi-structured interviews were held with purposely selected high-profile publicly and privately owned construction companies in Australia with significantly varied turnovers. Analyses show that contractors are concerned about the negative effects of increasing corporate governance demands, with many stating that people involved are the most critical element to tendering success. A new way of presenting the ITP of contractors is assessed using a soft systems methodology (SSM) approach. SSM offers an alternative way of considering human interaction challenges within the ITP of contractors, which needs to be tested with the industry. The format graphics of SSM guidelines are presented as a way of offering contractors a different approach, which may assist individuals who are looking to re-structure their tendering activities in a more humanistic and less rigid procedural approach.

Keywords: contractor     corporate governance     humanistic     risk     soft systems methodology     tendering procedures    

A large-scale screening of metal-organic frameworks for iodine capture combining molecular simulation

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 12, doi: 10.1007/s11783-023-1748-3

Abstract:

● Screened 8862 metal-organic frameworks for I2 capture

Keywords: Iodine capture     Metal-organic framework     Large-scale screening     Molecular simulation     Machine learning    

Hierarchical porous metal-organic frameworks/polymer microparticles for enhanced catalytic degradation

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 6,   Pages 939-949 doi: 10.1007/s11705-022-2152-4

Abstract: containing hierarchical porous structures integrated with highly accessible catalytic metal organic frameworksand general strategy to flexibly combine hierarchical porous structures and catalytic metal-organic frameworks

Keywords: metal-organic framework     polymer microparticle     nanocatalyst     decontamination     organic contaminant    

Co anchored on porphyrinic triazine-based frameworks with excellent biocompatibility for conversion of

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1761-1771 doi: 10.1007/s11705-022-2195-6

Abstract: To solve the bottleneck problem, Co anchored on porphyrinic triazine-based frameworks was synthesized

Keywords: microbial electrosynthesis     hydrogen evolution reaction     metalloporphyrins     biocompatibility     CO2 conversion    

Title Author Date Type Operation

Boosting the direct conversion of NHHCO electrolyte to syngas on Ag/Zn zeolitic imidazolate framework

Journal Article

Bimetallic reduced graphene oxide/zeolitic imidazolate framework hybrid aerogels for efficient heavy

Journal Article

Zeolitic imidazolate framework-8 (ZIF-8) for drug delivery: A critical review

Simin Feng, Xiaoli Zhang, Dunyun Shi, Zheng Wang

Journal Article

Parametric study on the mixed solvent synthesis of ZIF-8 nano- and micro-particles for CO adsorption: A response surface study

Alireza Hadi, Javad Karimi-Sabet, Abolfazl Dastbaz

Journal Article

Cobalt-nanoparticle catalysts derived from zeolitic imidazolate framework@MXene composites for efficient

Jie Chen;Mingyuan Jian;Deqiong Xie;Kecan Dou;Deli Chen;Weidong Zhu;Fumin Zhang

Journal Article

Selective capture and separation of xenon and krypton using metal organic frameworks: a review

Journal Article

A ternary mechanism for the facilitated transfer of metal ions onto metal–organic frameworks: implications

Journal Article

Metal-organic frameworks for CO

Lei ZHANG, Junqing ZHANG

Journal Article

Heterometallic cluster-based organic frameworks as highly active electrocatalysts for oxygen reduction

Journal Article

Controllable construction of ionic frameworks for multi-site synergetic enhancement of CO2

Yuke Zhang;Hongxue Xu;Haonan Wu;Lijuan Shi;Jiancheng Wang;Qun Yi

Journal Article

Crystalline porous materials: from zeolites to metal-organic frameworks (MOFs)

Zaiku Xie, Bao-Lian Su

Journal Article

Rethinking the tendering frameworks of construction contractors in the context of a soft systems methodology

Stephen URQUHART, Andrew WHYTE

Journal Article

A large-scale screening of metal-organic frameworks for iodine capture combining molecular simulation

Journal Article

Hierarchical porous metal-organic frameworks/polymer microparticles for enhanced catalytic degradation

Journal Article

Co anchored on porphyrinic triazine-based frameworks with excellent biocompatibility for conversion of

Journal Article