1
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Park JH, Kim D. High-temperature vapor permeation of preferentially b-oriented zeolite MFI membranes fabricated from nanocrystal-containing nanosheets. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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2
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Microstructural manipulation of MFI-type zeolite films/membranes: Current status and perspectives. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120931] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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3
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Mir S, Naderifar A, Rahidi A, Alaei M. Developing a facile graphitic carbon nitride (g-C 3N 4)-coated stainless steel mesh with different superhydrophilic/underwater superoleophobic and superoleophilic behavior for oil-water separation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:66888-66901. [PMID: 35513622 DOI: 10.1007/s11356-022-20560-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 04/27/2022] [Indexed: 06/14/2023]
Abstract
There is an increasing demand for the development of inexpensive and effective approaches for the oil-water separation due to the global concern in oil industries. The present study was conducted to fabricate graphitic carbon nitride/thermoplastic polyurethane (g-C3N4/TPU)-coated stainless steel meshes via the dip-coating method to investigate the capability of g-C3N4 nanosheets (CN-NS) in oil-water separation. CN-NS was synthesized using the polycondensation process followed by exfoliation with Hummer's method. We studied the effect of TPU and CN-NS concentration on wettability behavior to obtain an optimized coating solution. CN-NS-coated mesh showed superoleophilic/hydrophobic behavior at CN-NS:TPU ratio of 50:50, and it efficiently passed oil from the emulsified water-in-oil mixture (with 50 wt.% oil) with the efficiency of 99%. The wettability behavior of superhydrophilic/underwater superoleophobic was also obtained at CN-NS:TPU ratio of 80:20, and it was able to separate water from the emulsified water-in-oil mixture with the efficiency of 79% under gravity. Both filters were able to separate free water and oil mixtures with flux and efficiency of 6114 L.m-2.h-1 and ~ 99.99%, respectively. The mechanism of wettability behavior of the coating is mainly related to the functional groups on the edge of g-C3N4-NS, thus increasing the hydrophilic properties of the surface. In addition, the micro-nano hierarchical structure of the surface coating improves its roughness due to the presence of CN-NS, which is effectively embedded into the hydrophilic TPU. More importantly, commercially available TPU chemical and simple fabrication of g-C3N4 from an inexpensive precursor make the method reported herein as a significant alternative for large-scale application.
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Affiliation(s)
- Sonia Mir
- Department of Chemical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Abbas Naderifar
- Department of Chemical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Alimorad Rahidi
- Nanotechnology Research Center, Research Institute of Petroleum Industry, Tehran, Iran.
| | - Mahshad Alaei
- Catalyst Division, Research Institute of Petroleum Industry, Tehran, Iran
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4
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Zhu X, Xie W, Wu J, Miao Y, Xiang C, Chen C, Ge B, Gan Z, Yang F, Zhang M, O'Hare D, Li J, Ge T, Wang R. Recent advances in direct air capture by adsorption. Chem Soc Rev 2022; 51:6574-6651. [PMID: 35815699 DOI: 10.1039/d1cs00970b] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Significant progress has been made in direct air capture (DAC) in recent years. Evidence suggests that the large-scale deployment of DAC by adsorption would be technically feasible for gigatons of CO2 capture annually. However, great efforts in adsorption-based DAC technologies are still required. This review provides an exhaustive description of materials development, adsorbent shaping, in situ characterization, adsorption mechanism simulation, process design, system integration, and techno-economic analysis of adsorption-based DAC over the past five years; and in terms of adsorbent development, affordable DAC adsorbents such as amine-containing porous materials with large CO2 adsorption capacities, fast kinetics, high selectivity, and long-term stability under ultra-low CO2 concentration and humid conditions. It is also critically important to develop efficient DAC adsorptive processes. Research and development in structured adsorbents that operate at low-temperature with excellent CO2 adsorption capacities and kinetics, novel gas-solid contactors with low heat and mass transfer resistances, and energy-efficient regeneration methods using heat, vacuum, and steam purge is needed to commercialize adsorption-based DAC. The synergy between DAC and carbon capture technologies for point sources can help in mitigating climate change effects in the long-term. Further investigations into DAC applications in the aviation, agriculture, energy, and chemical industries are required as well. This work benefits researchers concerned about global energy and environmental issues, and delivers perspective views for further deployment of negative-emission technologies.
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Affiliation(s)
- Xuancan Zhu
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Wenwen Xie
- Institute of Technical Thermodynamics, Karlsruhe Institute of Technology, 76131, Germany
| | - Junye Wu
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Yihe Miao
- China-UK Low Carbon College, Shanghai Jiao Tong University, No. 3 Yinlian Road, Shanghai 201306, China
| | - Chengjie Xiang
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Chunping Chen
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, UK
| | - Bingyao Ge
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Zhuozhen Gan
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Fan Yang
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Man Zhang
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Dermot O'Hare
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, UK
| | - Jia Li
- China-UK Low Carbon College, Shanghai Jiao Tong University, No. 3 Yinlian Road, Shanghai 201306, China.,Jiangmen Laboratory for Carbon and Climate Science and Technology, No. 29 Jinzhou Road, Jiangmen, 529100, China.,The Hong Kong University of Science and Technology (Guangzhou), No. 2 Huan Shi Road South, Nansha, Guangzhou, 511458, China
| | - Tianshu Ge
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
| | - Ruzhu Wang
- Research Center of Solar Power & Refrigeration, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, China.
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5
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Chen F, Li Y, Huang A. Facile preparation of compact LTA molecular sieve membranes on polyethyleneimine modified substrates. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.07.047] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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6
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Han YR, Kim JS, Park WJ, Lee CH, Cheon J, Jun CH. Recyclable Transition Metal Catalysis using Bipyridine-Functionalized SBA-15 by Co-condensation of Methallylsilane with TEOS. Chem Asian J 2021; 16:197-201. [PMID: 33241669 DOI: 10.1002/asia.202001152] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 11/20/2020] [Indexed: 11/10/2022]
Abstract
Well-defined recyclable Pd- and Rh-bipyridyl group-impregnated SBA-15 catalysts were prepared for C-C bond coupling reaction and selective hydrogenation reactions, respectively. These SBA-15 derived ligands for the catalysts were prepared by direct and indirect co-condensation method using bipyridyl-linked methallylsilane. This indirect method, involving methoxysilane generated from methallylsilane shows higher loading efficiency of transition metal catalysts on SBA-15 than the direct use of methallylsilane.
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Affiliation(s)
- Ye Ri Han
- Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Jae Soon Kim
- Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Woo-Jin Park
- Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea.,Department of Chemistry Center for NanoMedicine, Institute for Basic Science (IBS), Seoul, 03722, Republic of Korea
| | - Chang-Hee Lee
- Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea.,Department of Chemistry Center for NanoMedicine, Institute for Basic Science (IBS), Seoul, 03722, Republic of Korea
| | - Jinwoo Cheon
- Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea.,Department of Chemistry Center for NanoMedicine, Institute for Basic Science (IBS), Seoul, 03722, Republic of Korea
| | - Chul-Ho Jun
- Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea.,Department of Chemistry Center for NanoMedicine, Institute for Basic Science (IBS), Seoul, 03722, Republic of Korea
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7
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Kang Z, Guo H, Fan L, Yang G, Feng Y, Sun D, Mintova S. Scalable crystalline porous membranes: current state and perspectives. Chem Soc Rev 2021; 50:1913-1944. [PMID: 33319885 DOI: 10.1039/d0cs00786b] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Crystalline porous materials (CPMs) with uniform and regular pore systems show great potential for separation applications using membrane technology. Along with the research on the synthesis of precisely engineered porous structures, significant attention has been paid to the practical application of these materials for preparation of crystalline porous membranes (CPMBs). In this review, the progress made in the preparation of thin, large area and defect-free CPMBs using classical and novel porous materials and processing is presented. The current state-of-the-art of scalable CPMBs with different nodes (inorganic, organic and hybrid) and various linking bonds (covalent, coordination, and hydrogen bonds) is revealed. The advances made in the scalable production of high-performance crystalline porous membranes are categorized according to the strategies adapted from polymer membranes (interfacial assembly, solution-casting, melt extrusion and polymerization of CPMs) and tailored based on CPM properties (seeding-secondary growth, conversion of precursors, electrodeposition and chemical vapor deposition). The strategies are compared and ranked based on their scalability and cost. The potential applications of CPMBs have been concisely summarized. Finally, the performance and challenges in the preparation of scalable CPMBs with emphasis on their sustainability are presented.
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Affiliation(s)
- Zixi Kang
- School of Materials Science and Engineering, China University of Petroleum (East China), 266580 Qingdao, China. and State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China
| | - Hailing Guo
- State Key Laboratory of Heavy Oil Processing, Key Laboratory of Catalysis, China University of Petroleum (East China), 266555 Qingdao, China
| | - Lili Fan
- School of Materials Science and Engineering, China University of Petroleum (East China), 266580 Qingdao, China.
| | - Ge Yang
- State Key Laboratory of Heavy Oil Processing, Key Laboratory of Catalysis, China University of Petroleum (East China), 266555 Qingdao, China
| | - Yang Feng
- School of Materials Science and Engineering, China University of Petroleum (East China), 266580 Qingdao, China.
| | - Daofeng Sun
- School of Materials Science and Engineering, China University of Petroleum (East China), 266580 Qingdao, China.
| | - Svetlana Mintova
- State Key Laboratory of Heavy Oil Processing, Key Laboratory of Catalysis, China University of Petroleum (East China), 266555 Qingdao, China and Laboratoire Catalyse et Spectrochimie (LCS), Normandie University, ENSICAEN, CNRS, 6 boulevard du Marechal Juin, 14050 Caen, France.
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8
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Belviso C, Cavalcante F. Effect of H 2O Activity on Zeolite Formation. MATERIALS (BASEL, SWITZERLAND) 2020; 13:ma13214780. [PMID: 33114735 PMCID: PMC7662609 DOI: 10.3390/ma13214780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 10/20/2020] [Accepted: 10/22/2020] [Indexed: 06/11/2023]
Abstract
In an effort to understand the effects of H2O activity on zeolite formation, we have synthesized LTA zeolite using a combination of freezing processes and varying drying temperatures. Sodium aluminate and sodium silicate were used to form LTA zeolite, according to the IZA (International Zeolite Association) protocol. The synthesis steps were modified by adding the precursor frozen process by a rapid liquid nitrogen (-196 °C) treatment or slow conventional freezer treatment (-20 °C). The samples were subsequently sonicated and then dried at 80 °C or 40 °C. X-ray diffraction (XRD) and scanning electron microscopy (SEM) were performed on the samples immediately after the drying process as well as after 2 weeks and 1 month of aging the solid products. The results indicated that LTA zeolite does not form. The silica-alumina precursor after both freezing processes and after being dried at 80 °C showed the presence of sodalite displaying stable behavior over time. Both sets of samples dried at 40 °C and did not show the presence of zeolite immediately after the drying process. However, after 2 weeks, the liquid nitrogen-frozen precursor was characterized by the presence of EMT whereas zeolites never formed in the -20 °C samples. These results suggest that freezing processes differently control the H2O activity during the drying and aging processes in the solid state. Thus, although the precursor chemical composition is the same, the type of zeolite formed is different.
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9
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Liu Y, Qiang W, Ji T, Zhang M, Li M, Lu J, Liu Y. Uniform hierarchical MFI nanosheets prepared via anisotropic etching for solution-based sub-100-nm-thick oriented MFI layer fabrication. SCIENCE ADVANCES 2020; 6:eaay5993. [PMID: 32110732 PMCID: PMC7021496 DOI: 10.1126/sciadv.aay5993] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 11/25/2019] [Indexed: 06/10/2023]
Abstract
Zeolite nanosheets have shown unprecedented opportunities for a wide range of applications, yet developing facile methods for fabrication of uniform zeolite nanosheets remains a great challenge. Here, a facile approach involving anisotropic etching with an aqueous solution of tetrapropylammonium hydroxide (TPAOH) was developed for preparing uniform high-aspect ratio hierarchical MFI nanosheets. In addition, the mechanism associated with the formation of MFI nanosheets was proposed. In the next step, a dynamic air-liquid interface-assisted self-assembly method and single-mode microwave heating were used for b-oriented MFI nanosheets monolayer deposition and controlled in-plane solution-based epitaxial growth, respectively, ensuring the formation of well-intergrown b-oriented MFI layers with sub-100-nm thickness. Moreover, our study indicated that b-oriented ultrathin MFI layers could be fabricated on diverse substrates demonstrating excellent anticorrosion capacity, ionic sieving properties, and n-/i-butane isomer separation performance.
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Affiliation(s)
- Yi Liu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Linggong Road NO. 2, Ganjingzi District, Dalian 116024, China
| | - Weili Qiang
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Linggong Road NO. 2, Ganjingzi District, Dalian 116024, China
| | - Taotao Ji
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Linggong Road NO. 2, Ganjingzi District, Dalian 116024, China
| | - Mu Zhang
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Linggong Road NO. 2, Ganjingzi District, Dalian 116024, China
| | - Mingrun Li
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Zhongshan Road NO. 457, Shahekou District, Dalian 116023, China
| | - Jinming Lu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Linggong Road NO. 2, Ganjingzi District, Dalian 116024, China
| | - Yi Liu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Linggong Road NO. 2, Ganjingzi District, Dalian 116024, China
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10
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Laskowska M, Pastukh O, Kuźma D, Laskowski Ł. How to Control the Distribution of Anchored, Mn 12-Stearate, Single-Molecule Magnets. NANOMATERIALS 2019; 9:nano9121730. [PMID: 31817142 PMCID: PMC6955952 DOI: 10.3390/nano9121730] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 11/22/2019] [Accepted: 11/29/2019] [Indexed: 11/18/2022]
Abstract
Controlling the distribution of the Mn12–stearate, single-molecule magnets (SMMs) anchored on a select surface is expected to be a new method for tuning its interactions, and an investigation on the magnetic properties of separated magnetic molecules is also lacking. The anchoring of the SMMs at the surface with an assumed statistic distance between each other is not an easy task; nevertheless, in this work, we show a synthesis which allows for this in detail. The immobilization of the Mn12–stearate was demonstrated with the use of FTO glasses and spherical silica as substrates. Based on differential pulse anodic stripping voltammetry (DPASV) and transmission electron microscopy (TEM) observations, we proved the efficiency of the method proposed. We observed continuous decreasing the number of bonds, and afterward, decreasing in the number of immobilized molecules with an increasing the number of spacer units used for separation of the magnetic particles.
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11
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Zhao X, Zhang H, Xu S, Wang Y. ZIF‐8 membrane synthesized via covalent‐assisted seeding on polyimide substrate for pervaporation dehydration. AIChE J 2019. [DOI: 10.1002/aic.16620] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Xiaoxu Zhao
- Key Laboratory of Material Chemistry for Energy Conversion and Storage(Huazhong University of Science and Technology), Ministry of Education Wuhan China
- Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical EngineeringHuazhong University of Science & Technology Wuhan China
| | - Hao Zhang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage(Huazhong University of Science and Technology), Ministry of Education Wuhan China
- Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical EngineeringHuazhong University of Science & Technology Wuhan China
| | - Sheng Xu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage(Huazhong University of Science and Technology), Ministry of Education Wuhan China
- Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical EngineeringHuazhong University of Science & Technology Wuhan China
| | - Yan Wang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage(Huazhong University of Science and Technology), Ministry of Education Wuhan China
- Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical EngineeringHuazhong University of Science & Technology Wuhan China
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12
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Kim MY, Lee CH, Jun CH. Surface functionalization of silica using catalytic hydroesterification modified polybutadienes. RSC Adv 2019; 9:12265-12268. [PMID: 35515853 PMCID: PMC9063514 DOI: 10.1039/c9ra01080g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 04/14/2019] [Indexed: 11/21/2022] Open
Abstract
A new method for covalent immobilization of catalytic hydroesterification modified polybutadiene on a silica surface is described.
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Affiliation(s)
- Min Young Kim
- Department of Chemistry
- Yonsei University
- Seoul 03722
- Republic of Korea
- Center for NanoMedicine
| | - Chang-Hee Lee
- Department of Chemistry
- Yonsei University
- Seoul 03722
- Republic of Korea
- Center for NanoMedicine
| | - Chul-Ho Jun
- Department of Chemistry
- Yonsei University
- Seoul 03722
- Republic of Korea
- Center for NanoMedicine
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13
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Sun Y, Liu Y, Caro J, Guo X, Song C, Liu Y. In-Plane Epitaxial Growth of Highly c-Oriented NH 2 -MIL-125(Ti) Membranes with Superior H 2 /CO 2 Selectivity. Angew Chem Int Ed Engl 2018; 57:16088-16093. [PMID: 30289580 DOI: 10.1002/anie.201810088] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Indexed: 11/08/2022]
Abstract
Preferred-orientation control has significant impact on the separation performance of MOF membranes. Under most conditions the preferred orientation of MOF membranes is dominated by the Van der Drift mechanism of evolutionary growth selection so that the obtained orientation may not be optimized for practical application. In this study, highly c-oriented NH2 -MIL-125 membranes were prepared on porous α-alumina substrates by combining oriented seeding and controlled in-plane epitaxial growth. Dynamic air-liquid interface-assisted self-assembly of c-oriented NH2 -MIL-125(Ti) seed monolayers, the use of layered TiS2 as the metal precursor, and single-mode microwave heating were crucial in ensuring the preferred c-orientation while simultaneously suppressing undesired twin growth. Owing to reduced grain boundary defects, the prepared c-oriented membranes showed an ideal H2 /CO2 selectivity of 24.8, which was 6.1 times higher than that of their randomly oriented counterparts under similar operating conditions.
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Affiliation(s)
- Yanwei Sun
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Linggong Road No. 2, Ganjingzi District, Dalian, 116024, China
| | - Yi Liu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Linggong Road No. 2, Ganjingzi District, Dalian, 116024, China
| | - Jürgen Caro
- Institute of Physical Chemistry and Electrochemistry, Leibniz Universität Hannover, Callinstrasse 3A, 30167, Hannover, Germany
| | - Xinwen Guo
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Linggong Road No. 2, Ganjingzi District, Dalian, 116024, China.,PSU-DUT Joint Centre for Energy Research, School of Chemical Engineering, Dalian University of Technology, Linggong Road NO. 2, Ganjingzi District, Dalian, 116024, China
| | - Chunshan Song
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Linggong Road No. 2, Ganjingzi District, Dalian, 116024, China.,PSU-DUT Joint Centre for Energy Research, School of Chemical Engineering, Dalian University of Technology, Linggong Road NO. 2, Ganjingzi District, Dalian, 116024, China.,EMS Energy Institute, Department of Energy and Mineral Engineering and Department of Chemical Engineering, The Pennsylvania State University, University Park, PA, 16802, USA
| | - Yi Liu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Linggong Road No. 2, Ganjingzi District, Dalian, 116024, China
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14
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Sun Y, Liu Y, Caro J, Guo X, Song C, Liu Y. In‐Plane Epitaxial Growth of Highly
c
‐Oriented NH
2
‐MIL‐125(Ti) Membranes with Superior H
2
/CO
2
Selectivity. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201810088] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Yanwei Sun
- State Key Laboratory of Fine ChemicalsSchool of Chemical EngineeringDalian University of Technology Linggong Road No. 2, Ganjingzi District Dalian 116024 China
| | - Yi Liu
- State Key Laboratory of Fine ChemicalsSchool of Chemical EngineeringDalian University of Technology Linggong Road No. 2, Ganjingzi District Dalian 116024 China
| | - Jürgen Caro
- Institute of Physical Chemistry and ElectrochemistryLeibniz Universität Hannover Callinstrasse 3A 30167 Hannover Germany
| | - Xinwen Guo
- State Key Laboratory of Fine ChemicalsSchool of Chemical EngineeringDalian University of Technology Linggong Road No. 2, Ganjingzi District Dalian 116024 China
- PSU-DUT Joint Centre for Energy ResearchSchool of Chemical EngineeringDalian University of Technology Linggong Road NO. 2, Ganjingzi District Dalian 116024 China
| | - Chunshan Song
- State Key Laboratory of Fine ChemicalsSchool of Chemical EngineeringDalian University of Technology Linggong Road No. 2, Ganjingzi District Dalian 116024 China
- PSU-DUT Joint Centre for Energy ResearchSchool of Chemical EngineeringDalian University of Technology Linggong Road NO. 2, Ganjingzi District Dalian 116024 China
- EMS Energy InstituteDepartment of Energy and Mineral Engineering and Department of Chemical EngineeringThe Pennsylvania State University University Park PA 16802 USA
| | - Yi Liu
- State Key Laboratory of Fine ChemicalsSchool of Chemical EngineeringDalian University of Technology Linggong Road No. 2, Ganjingzi District Dalian 116024 China
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15
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Sim YK, Jung H, Kim SH, Park JW, Park WJ, Jun CH. A one-step method for covalent bond immobilization of biomolecules on silica operated in aqueous solution. Chem Sci 2018; 9:7981-7985. [PMID: 30430001 PMCID: PMC6201817 DOI: 10.1039/c8sc02565g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 08/23/2018] [Indexed: 11/21/2022] Open
Abstract
A simple, one-step method for covalent bond immobilization of biomolecules on silica operated in water is described. In the approach, an NHS-ester linked methallylsilane is utilized as a bifunctional linker to couple the biomolecule to the silica surface. Weak organic acid such as acetic acid activates the silica surface enough to react with bifunctional linker without destroying activity of biomolecule.
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Affiliation(s)
- Yong-Kyun Sim
- Department of Chemistry , Yonsei University , 50 Yonsei-ro, Seodaemun-gu , Seoul 03722 , Republic of Korea .
| | - Heetae Jung
- Department of Chemistry , Yonsei University , 50 Yonsei-ro, Seodaemun-gu , Seoul 03722 , Republic of Korea .
| | - Su Hyun Kim
- Department of Chemistry , Yonsei University , 50 Yonsei-ro, Seodaemun-gu , Seoul 03722 , Republic of Korea .
| | - Jung-Woo Park
- Center for Catalytic Hydrocarbon Functionalizations , Institute for Basic Science (IBS) , Daejeon 34141 , Republic of Korea
| | - Woo-Jin Park
- Department of Chemistry , Yonsei University , 50 Yonsei-ro, Seodaemun-gu , Seoul 03722 , Republic of Korea .
| | - Chul-Ho Jun
- Department of Chemistry , Yonsei University , 50 Yonsei-ro, Seodaemun-gu , Seoul 03722 , Republic of Korea .
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16
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Choi RY, Lee CH, Jun CH. Coupling Reagent for UV/vis Absorbing Azobenzene-Based Quantitative Analysis of the Extent of Functional Group Immobilization on Silica. Org Lett 2018; 20:2972-2975. [DOI: 10.1021/acs.orglett.8b01016] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Ra-Young Choi
- Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Chang-Hee Lee
- Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Chul-Ho Jun
- Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
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17
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Process and Formulation Strategies to Improve Adhesion of Nanoparticulate Coatings on Stainless Steel. COATINGS 2018. [DOI: 10.3390/coatings8050156] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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18
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Abstract
Empty spaces are abhorred by nature, which immediately rushes in to fill the void. Humans have learnt pretty well how to make ordered empty nanocontainers, and to get useful products out of them. When such an order is imparted to molecules, new properties may appear, often yielding advanced applications. This review illustrates how the organized void space inherently present in various materials: zeolites, clathrates, mesoporous silica/organosilica, and metal organic frameworks (MOF), for example, can be exploited to create confined, organized, and self-assembled supramolecular structures of low dimensionality. Features of the confining matrices relevant to organization are presented with special focus on molecular-level aspects. Selected examples of confined supramolecular assemblies - from small molecules to quantum dots or luminescent species - are aimed to show the complexity and potential of this approach. Natural confinement (minerals) and hyperconfinement (high pressure) provide further opportunities to understand and master the atomistic-level interactions governing supramolecular organization under nanospace restrictions.
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Affiliation(s)
- Gloria Tabacchi
- Department of Science and High Technology, University of Insubria, Via Valleggio, 9 I-22100, Como, Italy
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19
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Freund R, Lächelt U, Gruber T, Rühle B, Wuttke S. Multifunctional Efficiency: Extending the Concept of Atom Economy to Functional Nanomaterials. ACS NANO 2018; 12:2094-2105. [PMID: 29533060 DOI: 10.1021/acsnano.8b00932] [Citation(s) in RCA: 156] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Green chemistry, in particular, the principle of atom economy, has defined new criteria for the efficient and sustainable production of synthetic compounds. In complex nanomaterials, the number of embedded functional entities and the energy expenditure of the assembly process represent additional compound-associated parameters that can be evaluated from an economic viewpoint. In this Perspective, we extend the principle of atom economy to the study and characterization of multifunctionality in nanocarriers, which we define as "multifunctional efficiency". This concept focuses on the design of highly active nanomaterials by maximizing integrated functional building units while minimizing inactive components. Furthermore, synthetic strategies aim to minimize the number of steps and unique reagents required to make multifunctional nanocarriers. The ultimate goal is to synthesize a nanocarrier that is highly specialized but practical and simple to make. Owing to straightforward crystal engineering, metal-organic framework (MOF) nanoparticles are an excellent example to illustrate the idea behind this concept and have the potential to emerge as next-generation drug delivery systems. Here, we highlight examples showing how the combination of the properties of MOFs ( e.g., their organic-inorganic hybrid nature, high surface area, and biodegradability) and induced systematic modifications and functionalizations of the MOF's scaffold itself lead to a nanocarrier with high multifunctional efficiency.
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Affiliation(s)
| | | | | | - Bastian Rühle
- Federal Institute for Materials Research and Testing (BAM) , Richard-Willstaetter-Str. 11 , 12489 Berlin , Germany
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20
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Kim SB, Lee CH, Jun CH. Styrylsilane coupling reagents for immobilization of organic functional groups on silica and glass surfaces. Chem Commun (Camb) 2018; 54:9961-9964. [DOI: 10.1039/c8cc04863k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Styrylsilanes serve as new coupling reagents for introducing organic functional groups on silica and glass surfaces.
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Affiliation(s)
- Soo-Bin Kim
- Department of Chemistry
- Yonsei University
- Seodaemun-gu
- Republic of Korea
| | - Chang-Hee Lee
- Department of Chemistry
- Yonsei University
- Seodaemun-gu
- Republic of Korea
| | - Chul-Ho Jun
- Department of Chemistry
- Yonsei University
- Seodaemun-gu
- Republic of Korea
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21
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Peng Y, Xu R, Jiang X, Xu S, Wang Z. Thermal processing of zeolite seed layers for the fabrication of compact oriented MFI zeolite films. CrystEngComm 2018. [DOI: 10.1039/c8ce00943k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The formation of a close-packed oriented MFI zeolite film through thermal processing created a strong covalent linkage between the seed layer and the substrate.
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Affiliation(s)
- Yong Peng
- School of Sciences
- Nanchang Institute of Technology
- Nanchang 330099
- P. R. China
| | - Ruilan Xu
- School of Sciences
- Nanchang Institute of Technology
- Nanchang 330099
- P. R. China
| | - Xinde Jiang
- School of Sciences
- Nanchang Institute of Technology
- Nanchang 330099
- P. R. China
| | - Sheng Xu
- School of Sciences
- Nanchang Institute of Technology
- Nanchang 330099
- P. R. China
| | - Zhengbao Wang
- College of Chemical and Biological Engineering
- Zhejiang University
- Hangzhou 310027
- P. R. China
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22
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Li H, Li P. Luminescent materials of lanthanoid complexes hosted in zeolites. Chem Commun (Camb) 2018; 54:13884-13893. [DOI: 10.1039/c8cc07440b] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Our emphasis is on understanding the influence of microenvironments of the void spaces on the luminescence performances of the encapsulated lanthanide complexes.
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Affiliation(s)
- Huanrong Li
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin 300130
- P. R. China
| | - Peng Li
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin 300130
- P. R. China
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23
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Kim D, Jeon MY, Stottrup BL, Tsapatsis M. para
‐Xylene Ultra‐selective Zeolite MFI Membranes Fabricated from Nanosheet Monolayers at the Air–Water Interface. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201708835] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Donghun Kim
- Department of Chemical Engineering and Materials Science University of Minnesota 421 Washington Ave. SE Minneapolis MN 55455 USA
| | - Mi Young Jeon
- Department of Chemical Engineering and Materials Science University of Minnesota 421 Washington Ave. SE Minneapolis MN 55455 USA
| | - Benjamin L. Stottrup
- Department of Physics Augsburg University 2211 Riverside Avenue Minneapolis MN 55454 USA
| | - Michael Tsapatsis
- Department of Chemical Engineering and Materials Science University of Minnesota 421 Washington Ave. SE Minneapolis MN 55455 USA
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24
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Kim D, Jeon MY, Stottrup BL, Tsapatsis M. para-Xylene Ultra-selective Zeolite MFI Membranes Fabricated from Nanosheet Monolayers at the Air-Water Interface. Angew Chem Int Ed Engl 2017; 57:480-485. [PMID: 29194920 DOI: 10.1002/anie.201708835] [Citation(s) in RCA: 79] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2017] [Indexed: 11/11/2022]
Abstract
The control of membrane morphology and microstructure is crucial to improve the separation performance of molecular-sieve membranes. This can be enabled by making thin, dense, and uniform seed-crystal coatings, which are then intergrown into continuous membranes. Herein, we show a novel and simple floating particle coating method can give closely packed monolayers of zeolite nanosheets on nonporous or porous supports. The zeolite nanosheet monolayer is formed at the air-water interface in a conical Teflon trough. As the water in the trough is drained, the monolayer is deposited on a support placed below. Membranes prepared by gel-free secondary growth of the nanosheets deposited by this method show unprecedented ultra-selective performance for separation of para- from ortho-xylene (separation factor >10 000).
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Affiliation(s)
- Donghun Kim
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Ave. SE, Minneapolis, MN, 55455, USA
| | - Mi Young Jeon
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Ave. SE, Minneapolis, MN, 55455, USA
| | - Benjamin L Stottrup
- Department of Physics, Augsburg University, 2211 Riverside Avenue, Minneapolis, MN, 55454, USA
| | - Michael Tsapatsis
- Department of Chemical Engineering and Materials Science, University of Minnesota, 421 Washington Ave. SE, Minneapolis, MN, 55455, USA
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25
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Zhang J, Yu J. Layer-by-Layer Approach to Superhydrophobic Zeolite Antireflective Coatings. CHINESE J CHEM 2017. [DOI: 10.1002/cjoc.201700579] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jianan Zhang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry; Jilin University; Changchun Jilin 130012 China
- College of Materials Science and Engineering; Zhengzhou University; Zhengzhou Henan 450001 China
| | - Jihong Yu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry; Jilin University; Changchun Jilin 130012 China
- International Center of Future Science; Jilin University; Changchun Jilin 130012 China
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26
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Zhang C, Peng L, Jiang J, Gu X. Mass transfer model, preparation and applications of zeolite membranes for pervaporation dehydration: A review. Chin J Chem Eng 2017. [DOI: 10.1016/j.cjche.2017.09.014] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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27
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Hesselbach J, Kockmann A, Lüke S, Overbeck A, Garnweitner G, Schilde C, Kwade A. Enhancement of the Mechanical Properties of Nanoparticulate Thin Coatings via Surface Modification and Cross-Linking Additive. Chem Eng Technol 2017. [DOI: 10.1002/ceat.201600528] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jutta Hesselbach
- TU Braunschweig; Institute for Particle Technology; Volkmaroder Strasse 5 38104 Braunschweig Germany
| | - Alexander Kockmann
- TU Braunschweig; Institute for Particle Technology; Volkmaroder Strasse 5 38104 Braunschweig Germany
| | - Sabine Lüke
- TU Braunschweig; Institute for Particle Technology; Volkmaroder Strasse 5 38104 Braunschweig Germany
| | - Achim Overbeck
- TU Braunschweig; Institute for Particle Technology; Volkmaroder Strasse 5 38104 Braunschweig Germany
| | - Georg Garnweitner
- TU Braunschweig; Institute for Particle Technology; Volkmaroder Strasse 5 38104 Braunschweig Germany
| | - Carsten Schilde
- TU Braunschweig; Institute for Particle Technology; Volkmaroder Strasse 5 38104 Braunschweig Germany
| | - Arno Kwade
- TU Braunschweig; Institute for Particle Technology; Volkmaroder Strasse 5 38104 Braunschweig Germany
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28
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Cho J, Ishida Y. Macroscopically Oriented Porous Materials with Periodic Ordered Structures: From Zeolites and Metal-Organic Frameworks to Liquid-Crystal-Templated Mesoporous Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2017; 29:1605974. [PMID: 28449264 DOI: 10.1002/adma.201605974] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2016] [Revised: 01/08/2017] [Indexed: 06/07/2023]
Abstract
Porous materials with molecular-sized periodic structures, as exemplified by zeolites, metal-organic frameworks, or mesoporous silica, have attracted increasing attention due to their range of applications in storage, sensing, separation, and transformation of small molecules. Although the components of such porous materials have a tendency to pack in unidirectionally oriented periodic structures, such ideal types of packing cannot continue indefinitely, generally ceasing when they reach a micrometer scale. Consequently, most porous materials are composed of multiple randomly oriented domains, and overall behave as isotropic materials from a macroscopic viewpoint. However, if their channels could be unidirectionally oriented over a macroscopic scale, the resultant porous materials might serve as powerful tools for manipulating molecules. Guest molecules captured in macroscopically oriented channels would have their positions and directions well-defined, so that molecular events in the channels would proceed in a highly controlled manner. To realize such an ideal situation, numerous efforts have been made to develop various porous materials with macroscopically oriented channels. An overview of recent studies on the synthesis, properties, and applications of macroscopically oriented porous materials is presented.
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Affiliation(s)
- Joonil Cho
- 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan
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29
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Guillén MG, Gámez F, Suárez B, Queirós C, Silva AMG, Barranco Á, Sánchez-Valencia JR, Pedrosa JM, Lopes-Costa T. Preparation and Optimization of Fluorescent Thin Films of Rosamine-SiO2/TiO2 Composites for NO2 Sensing. MATERIALS (BASEL, SWITZERLAND) 2017; 10:E124. [PMID: 28772484 PMCID: PMC5459166 DOI: 10.3390/ma10020124] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Accepted: 01/23/2017] [Indexed: 01/05/2023]
Abstract
The incorporation of a prototypical rosamine fluorescent dye from organic solutions into transparent and microstructured columnar TiO2 and SiO2 (MO2) thin films, prepared by evaporation at glancing angles (GAPVD), was evaluated. The aggregation of the adsorbed molecules, the infiltration efficiency and the adsorption kinetics were studied by means of UV-Vis absorption and fluorescence spectroscopies. Specifically, the infiltration equilibrium as well as the kinetic of adsorption of the emitting dye has been described by a Langmuir type adsorption isotherm and a pseudosecond order kinetic model, respectively. The anchoring mechanism of the rosamine to the MO2 matrix has been revealed by specular reflectance Fourier transform infrared spectroscopy and infiltration from aqueous solutions at different pH values. Finally, the sensing performance towards NO2 gas of optimized films has been assessed by following the changes of its fluorescence intensity revealing that the so-selected device exhibited improved sensing response compared to similar hybrid films reported in the literature.
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Affiliation(s)
- María G. Guillén
- Departmento de Sistemas Físicos, Químicos y Naturales, Universidad Pablo de Olavide, Sevilla 41013, Spain; (M.G.G.); (F.G.); (B.S.); (J.M.P.)
| | - Francisco Gámez
- Departmento de Sistemas Físicos, Químicos y Naturales, Universidad Pablo de Olavide, Sevilla 41013, Spain; (M.G.G.); (F.G.); (B.S.); (J.M.P.)
| | - Belén Suárez
- Departmento de Sistemas Físicos, Químicos y Naturales, Universidad Pablo de Olavide, Sevilla 41013, Spain; (M.G.G.); (F.G.); (B.S.); (J.M.P.)
| | - Carla Queirós
- REQUIMTE-LAQV, UCIBIO Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, R. Campo Alegre, Porto 4169-007, Portugal; (C.Q.); (A.M.G.S.)
| | - Ana M. G. Silva
- REQUIMTE-LAQV, UCIBIO Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade do Porto, R. Campo Alegre, Porto 4169-007, Portugal; (C.Q.); (A.M.G.S.)
| | - Ángel Barranco
- Instituto de Ciencia de Materiales de Sevilla, Universidad de Sevilla-CSIC, Américo Vespucio 49, Sevilla 41092, Spain; (Á.B.); (J.R.S.-V.)
| | - Juan Ramón Sánchez-Valencia
- Instituto de Ciencia de Materiales de Sevilla, Universidad de Sevilla-CSIC, Américo Vespucio 49, Sevilla 41092, Spain; (Á.B.); (J.R.S.-V.)
| | - José María Pedrosa
- Departmento de Sistemas Físicos, Químicos y Naturales, Universidad Pablo de Olavide, Sevilla 41013, Spain; (M.G.G.); (F.G.); (B.S.); (J.M.P.)
| | - Tânia Lopes-Costa
- Departmento de Sistemas Físicos, Químicos y Naturales, Universidad Pablo de Olavide, Sevilla 41013, Spain; (M.G.G.); (F.G.); (B.S.); (J.M.P.)
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30
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Arletti R, Fois E, Gigli L, Vezzalini G, Quartieri S, Tabacchi G. Irreversible Conversion of a Water-Ethanol Solution into an Organized Two-Dimensional Network of Alternating Supramolecular Units in a Hydrophobic Zeolite under Pressure. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201610949] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Rossella Arletti
- Dipartimento di Scienze della Terra; Università di Torino; Via Valperga Caluso 35 Torino Italy
| | - Ettore Fois
- Dipartimento di Scienza ed Alta Tecnologia; Università dell'Insubria and INSTM; Via Valleggio 9 22100 Como Italy
| | - Lara Gigli
- Elettra Sincrotrone Trieste; Strada Statale 14 34149 Basovizza, Trieste Italy
| | - Giovanna Vezzalini
- Dipartimento di Scienze Chimiche e Geologiche; Università di Modena e Reggio Emilia; Via Campi 103 41125 Modena Italy
| | - Simona Quartieri
- Dipartimento di Scienze Matematiche e Informatiche; Scienze Fisiche e Scienze della Terra; Università di Messina; Viale F. Stagno D'Alcontres 31 98166 Messina S. Agata Italy
| | - Gloria Tabacchi
- Dipartimento di Scienza ed Alta Tecnologia; Università dell'Insubria and INSTM; Via Valleggio 9 22100 Como Italy
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31
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Arletti R, Fois E, Gigli L, Vezzalini G, Quartieri S, Tabacchi G. Irreversible Conversion of a Water-Ethanol Solution into an Organized Two-Dimensional Network of Alternating Supramolecular Units in a Hydrophobic Zeolite under Pressure. Angew Chem Int Ed Engl 2017; 56:2105-2109. [PMID: 28067444 DOI: 10.1002/anie.201610949] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Indexed: 12/22/2022]
Abstract
Turning disorder into organization is a key issue in science. By making use of X-ray powder diffraction and modeling studies, we show herein that high pressures in combination with the shape and space constraints of the hydrophobic all-silica zeolite ferrierite separate an ethanol-water liquid mixture into ethanol dimer wires and water tetramer squares. The confined supramolecular blocks alternate in a binary two-dimensional (2D) architecture that remains stable upon complete pressure release. These results support the combined use of high pressures and porous networks as a viable strategy for driving the organization of molecules or nano-objects towards complex, pre-defined patterns relevant for the realization of novel functional nanocomposites.
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Affiliation(s)
- Rossella Arletti
- Dipartimento di Scienze della Terra, Università di Torino, Via Valperga Caluso 35, Torino, Italy
| | - Ettore Fois
- Dipartimento di Scienza ed Alta Tecnologia, Università dell'Insubria and INSTM, Via Valleggio 9, 22100, Como, Italy
| | - Lara Gigli
- Elettra Sincrotrone Trieste, Strada Statale 14, 34149, Basovizza, Trieste, Italy
| | - Giovanna Vezzalini
- Dipartimento di Scienze Chimiche e Geologiche, Università di Modena e Reggio Emilia, Via Campi 103, 41125, Modena, Italy
| | - Simona Quartieri
- Dipartimento di Scienze Matematiche e Informatiche, Scienze Fisiche e Scienze della Terra, Università di Messina, Viale F. Stagno D'Alcontres 31, 98166, Messina S. Agata, Italy
| | - Gloria Tabacchi
- Dipartimento di Scienza ed Alta Tecnologia, Università dell'Insubria and INSTM, Via Valleggio 9, 22100, Como, Italy
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32
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Chen Z, Zeng J, Lv D, Gao J, Zhang J, Bai S, Li R, Hong M, Wu J. Halloysite nanotube-based electrospun ceramic nanofibre mat: a novel support for zeolite membranes. ROYAL SOCIETY OPEN SCIENCE 2016; 3:160552. [PMID: 28083098 PMCID: PMC5210680 DOI: 10.1098/rsos.160552] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Accepted: 11/17/2016] [Indexed: 06/06/2023]
Abstract
Some key parameters of supports such as porosity, pore shape and size are of great importance for fabrication and performance of zeolite membranes. In this study, we fabricated millimetre-thick, self-standing electrospun ceramic nanofibre mats and employed them as a novel support for zeolite membranes. The nanofibre mats were prepared by electrospinning a halloysite nanotubes/polyvinyl pyrrolidone composite followed by a programmed sintering process. The interwoven nanofibre mats possess up to 80% porosity, narrow pore size distribution, low pore tortuosity and highly interconnected pore structure. Compared with the commercial α-Al2O3 supports prepared by powder compaction and sintering, the halloysite nanotube-based mats (HNMs) show higher flux, better adsorption of zeolite seeds, adhesion of zeolite membranes and lower Al leaching. Four types of zeolite membranes supported on HNMs have been successfully synthesized with either in situ crystallization or a secondary growth method, demonstrating good universality of HNMs for supporting zeolite membranes.
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Affiliation(s)
- Zhuwen Chen
- Guangdong Provincial Key Laboratory of Nano-Micro Materials Research, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, People's Republic of China
| | - Jiaying Zeng
- Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong SAR, People's Republic of China
| | - Dong Lv
- Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong SAR, People's Republic of China
| | - Jinqiang Gao
- Guangdong Provincial Key Laboratory of Nano-Micro Materials Research, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, People's Republic of China
| | - Jian Zhang
- Guangdong Provincial Key Laboratory of Nano-Micro Materials Research, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, People's Republic of China
| | - Shan Bai
- Guangdong Provincial Key Laboratory of Nano-Micro Materials Research, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, People's Republic of China
| | - Ruili Li
- Shenzhen Engineering Laboratory for Water Desalinization with Renewable Energy, School of Environment and Energy, Peking University Shenzhen Graduate School, Shenzhen 518055, People's Republic of China
| | - Mei Hong
- Guangdong Provincial Key Laboratory of Nano-Micro Materials Research, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, People's Republic of China
| | - Jingshen Wu
- Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong SAR, People's Republic of China
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33
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Miyano T, Okada N, Nishida R, Yamamoto A, Hisaki I, Tohnai N. A Structurally Variable Porous Organic Salt Based on a Multidirectional Supramolecular Cluster. Chemistry 2016; 22:15430-15436. [PMID: 27607570 DOI: 10.1002/chem.201602233] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Indexed: 11/07/2022]
Affiliation(s)
- Tetsuya Miyano
- Department of Material and Life Science; Graduate School of Engineering, Osaka University; 2-1 Yamadaoka, Suita Osaka 565-0871 Japan
| | - Naoki Okada
- Department of Material and Life Science; Graduate School of Engineering, Osaka University; 2-1 Yamadaoka, Suita Osaka 565-0871 Japan
| | - Ryunosuke Nishida
- Department of Material and Life Science; Graduate School of Engineering, Osaka University; 2-1 Yamadaoka, Suita Osaka 565-0871 Japan
| | - Atsushi Yamamoto
- Department of Material and Life Science; Graduate School of Engineering, Osaka University; 2-1 Yamadaoka, Suita Osaka 565-0871 Japan
| | - Ichiro Hisaki
- Department of Material and Life Science; Graduate School of Engineering, Osaka University; 2-1 Yamadaoka, Suita Osaka 565-0871 Japan
| | - Norimitsu Tohnai
- Department of Material and Life Science; Graduate School of Engineering, Osaka University; 2-1 Yamadaoka, Suita Osaka 565-0871 Japan
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34
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Cao P, Khorev O, Devaux A, Sägesser L, Kunzmann A, Ecker A, Häner R, Brühwiler D, Calzaferri G, Belser P. Supramolecular Organization of Dye Molecules in Zeolite L Channels: Synthesis, Properties, and Composite Materials. Chemistry 2016; 22:4046-60. [DOI: 10.1002/chem.201504404] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Indexed: 01/18/2023]
Affiliation(s)
- Pengpeng Cao
- Department of Chemistry; University of Fribourg; Ch. du Musée 9 1700 Fribourg Switzerland
| | - Oleg Khorev
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
| | - André Devaux
- Department of Chemistry; University of Fribourg; Ch. du Musée 9 1700 Fribourg Switzerland
| | - Lucie Sägesser
- Institute of Chemistry and Biological Chemistry; Zurich University of Applied Sciences (ZHAW); 8820 Wädenswil Switzerland
| | | | - Achim Ecker
- Institute of Chemistry and Biological Chemistry; Zurich University of Applied Sciences (ZHAW); 8820 Wädenswil Switzerland
| | - Robert Häner
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
| | - Dominik Brühwiler
- Institute of Chemistry and Biological Chemistry; Zurich University of Applied Sciences (ZHAW); 8820 Wädenswil Switzerland
| | - Gion Calzaferri
- Department of Chemistry and Biochemistry; University of Bern; Freiestrasse 3 3012 Bern Switzerland
| | - Peter Belser
- Department of Chemistry; University of Fribourg; Ch. du Musée 9 1700 Fribourg Switzerland
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35
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Park YS, Yoon SY, Lee JS. Wetting behavior on hexagonally close-packed polystyrene bead arrays with different topographies. SOFT MATTER 2016; 12:674-677. [PMID: 26539746 DOI: 10.1039/c5sm02263k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Herein, we investigated the wetting behavior of hexagonally close-packed polystyrene bead arrays with different bead diameters and surface flatness. The contact angle was found to be influenced by the surface roughness as well as the contact area of the polystyrene bead array with a water droplet.
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Affiliation(s)
- Yi-Seul Park
- Department of Chemistry, Sookmyung Women's University, Seoul 140-742, Korea.
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36
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Greco A, Maggini L, De Cola L, De Marco R, Gentilucci L. Diagnostic Implementation of Fast and Selective Integrin-Mediated Adhesion of Cancer Cells on Functionalized Zeolite L Monolayers. Bioconjug Chem 2015; 26:1873-8. [DOI: 10.1021/acs.bioconjchem.5b00350] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Arianna Greco
- Department
of Chemistry “G. Ciamician”, University of Bologna, via Selmi 2, 40126 Bologna, Italy
| | - Laura Maggini
- Institut
de science et d’ingénierie supramoléculaires
(ISIS), Université de Strasbourg, 8 Allée Gaspard Monge, 67000 Strasbourg, France
- Institut für Nanotechnologie (INT), Karlsruhe Institute of Technology (KIT) - Campus Nord, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Luisa De Cola
- Institut
de science et d’ingénierie supramoléculaires
(ISIS), Université de Strasbourg, 8 Allée Gaspard Monge, 67000 Strasbourg, France
- Institut für Nanotechnologie (INT), Karlsruhe Institute of Technology (KIT) - Campus Nord, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Rossella De Marco
- Department
of Chemistry “G. Ciamician”, University of Bologna, via Selmi 2, 40126 Bologna, Italy
| | - Luca Gentilucci
- Department
of Chemistry “G. Ciamician”, University of Bologna, via Selmi 2, 40126 Bologna, Italy
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37
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Tabacchi G, Fois E, Calzaferri G. Structure of Nanochannel Entrances in Stopcock-Functionalized Zeolite L Composites. Angew Chem Int Ed Engl 2015; 54:11112-6. [DOI: 10.1002/anie.201504745] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2015] [Indexed: 12/17/2022]
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38
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Tabacchi G, Fois E, Calzaferri G. Structure of Nanochannel Entrances in Stopcock-Functionalized Zeolite L Composites. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201504745] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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39
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Park JW, Kim DS, Kim MS, Choi JH, Jun CH. A method for introducing organic functional groups on silica surfaces using a functionalized vinylsilane containing polymer. Polym Chem 2015. [DOI: 10.1039/c4py01148a] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new method for introducing robustly bound organic functional groups on the silica surface using a vinylsilane-containing polymer is developed.
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Affiliation(s)
- Jung-Woo Park
- Department of Chemistry
- Yonsei University
- Seoul
- Korea(South)
| | - Dong-Su Kim
- Department of Chemistry
- Yonsei University
- Seoul
- Korea(South)
| | - Min-Seok Kim
- Department of Chemistry
- Yonsei University
- Seoul
- Korea(South)
| | - Ji-Hwan Choi
- Department of Chemistry
- Yonsei University
- Seoul
- Korea(South)
| | - Chul-Ho Jun
- Department of Chemistry
- Yonsei University
- Seoul
- Korea(South)
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40
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Han YR, Park JW, Kim H, Ji H, Lim SH, Jun CH. A one-step co-condensation method for the synthesis of well-defined functionalized mesoporous SBA-15 using trimethallylsilanes as organosilane sources. Chem Commun (Camb) 2015; 51:17084-7. [DOI: 10.1039/c5cc07286g] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Well-defined functionalized mesoporous SBA-15s are synthesized by a one-step co-condensation method using functional group-impregnated trimethallylsilanes.
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Affiliation(s)
- Ye Ri Han
- Department of Chemistry
- Yonsei University
- Seodaemun-gu
- Republic of Korea
| | - Jung-Woo Park
- Department of Chemistry
- Yonsei University
- Seodaemun-gu
- Republic of Korea
| | - Hanil Kim
- Department of Chemistry
- Yonsei University
- Seodaemun-gu
- Republic of Korea
| | - Hyejeong Ji
- Department of Chemistry
- Yonsei University
- Seodaemun-gu
- Republic of Korea
| | - Soo Hyun Lim
- Department of Chemistry
- Yonsei University
- Seodaemun-gu
- Republic of Korea
| | - Chul-Ho Jun
- Department of Chemistry
- Yonsei University
- Seodaemun-gu
- Republic of Korea
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41
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Rangnekar N, Mittal N, Elyassi B, Caro J, Tsapatsis M. Zeolite membranes – a review and comparison with MOFs. Chem Soc Rev 2015; 44:7128-54. [DOI: 10.1039/c5cs00292c] [Citation(s) in RCA: 490] [Impact Index Per Article: 54.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The latest developments in zeolite and MOF membranes are reviewed, with an emphasis on synthesis techniques. Industrial applications, hydrothermal stability, polymer-supported and mixed matrix membranes are some of the aspects discussed.
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Affiliation(s)
- N. Rangnekar
- Department of Chemical Engineering and Materials Science
- Minneapolis
- USA
| | - N. Mittal
- Department of Chemical Engineering and Materials Science
- Minneapolis
- USA
| | - B. Elyassi
- Department of Chemical Engineering and Materials Science
- Minneapolis
- USA
| | - J. Caro
- Institut für Physikalische Chemie und Elektrochemie der Leibniz Universität Hannover
- D-30167 Hannover
- Germany
| | - M. Tsapatsis
- Department of Chemical Engineering and Materials Science
- Minneapolis
- USA
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42
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Zhang L, Song Y, Li G, Zhang Q, Zhang S, Xu J, Deng F, Gong Y. F-assisted synthesis of a hierarchical ZSM-5 zeolite for methanol to propylene reaction: a b-oriented thinner dimensional morphology. RSC Adv 2015. [DOI: 10.1039/c5ra09561a] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
A hierarchical ZSM-5 zeolite with a thinner dimension morphology has been synthesized in fluoride medium, and presents a superior performance in MTP reaction.
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Affiliation(s)
- Lanlan Zhang
- State Key Laboratory of Heavy Oil Processing
- The Key Laboratory of Catalysis of CNPC
- China University of Petroleum-Beijing
- Beijing
- China
| | - Yu Song
- State Key Laboratory of Heavy Oil Processing
- The Key Laboratory of Catalysis of CNPC
- China University of Petroleum-Beijing
- Beijing
- China
| | - Guodong Li
- State Key Laboratory of Heavy Oil Processing
- The Key Laboratory of Catalysis of CNPC
- China University of Petroleum-Beijing
- Beijing
- China
| | - Qing Zhang
- State Key Laboratory of Heavy Oil Processing
- The Key Laboratory of Catalysis of CNPC
- China University of Petroleum-Beijing
- Beijing
- China
| | - Shaolong Zhang
- State Key Laboratory of Heavy Oil Processing
- The Key Laboratory of Catalysis of CNPC
- China University of Petroleum-Beijing
- Beijing
- China
| | - Jun Xu
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics
- Wuhan Center for Magnetic Resonance
- Wuhan Institute of Physics and Mathematics
- Chinese Academy of Sciences
- Wuhan
| | - Feng Deng
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics
- Wuhan Center for Magnetic Resonance
- Wuhan Institute of Physics and Mathematics
- Chinese Academy of Sciences
- Wuhan
| | - Yanjun Gong
- State Key Laboratory of Heavy Oil Processing
- The Key Laboratory of Catalysis of CNPC
- China University of Petroleum-Beijing
- Beijing
- China
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43
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Wang Z, Yu T, Nian P, Zhang Q, Yao J, Li S, Gao Z, Yue X. Fabrication of a highly b-oriented MFI-type zeolite film by the Langmuir-Blodgett method. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:4531-4534. [PMID: 24731054 DOI: 10.1021/la500115t] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
sec-Butanol-modified rounded-coffin-shaped silicalite-1 (SL) microcrystals were assembled into a compact and highly b-oriented monolayer extending over the centimeter scale via the Langmuir-Blodgett (LB) technique. For comparison, methanol- or ethanol-modified SL microcrystals could not float and were compressed into a dense film in an LB trough. Subsequently, highly b-oriented MFI films with a thickness of ∼1.5 μm were successfully obtained on the solid substrates by secondary growth of the LB monolayer using tetrapropylammonium hydroxide (TPAOH) as the structure-directing agent. The electrochemical experiments confirmed that the prepared films were defect-free. In general, the LB method is a highly controllable and reproducible method of organizing anisotropic zeolite crystals with a preferred orientation over a relatively large surface area. The LB technique could be further applied as an effective platform for the oriented assembly of different types of zeolite particles and the growth of variously oriented zeolite films.
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Affiliation(s)
- Zheng Wang
- Key Laboratory of Energy Resources and Chemical Engineering and ‡Institute of Chemistry and Chemical Engineering, Ningxia University , 750021 Ningxia, China
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44
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Duan TW, Yan B. Photophysical Properties of Metal Ion Functionalized NaY Zeolite. Photochem Photobiol 2014; 90:503-10. [PMID: 24392790 DOI: 10.1111/php.12235] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2013] [Accepted: 12/30/2013] [Indexed: 12/24/2022]
Affiliation(s)
- Tian-Wei Duan
- Department of Chemistry; Tongji University; Shanghai China
| | - Bing Yan
- State Key Laboratory of Pollution Control and Resource Reuse; Tongji University; Shanghai China
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45
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Abstract
Luminescent materials based on the functionalization of zeolite with lanthanide constitute an intense research topic since they combine the attractive properties of zeolite and unique optical properties of Ln3+ ions. This review highlights the utilization of zeolite as luminescent materials showing tunable luminescence performance, well-organized structures and useful host–guest interactions.
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Affiliation(s)
- Yu Wang
- Hebei Provincial Key Lab of Green Chemical Technology and High Efficient Energy Saving
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin 300130, PR China
| | - Huanrong Li
- Hebei Provincial Key Lab of Green Chemical Technology and High Efficient Energy Saving
- School of Chemical Engineering and Technology
- Hebei University of Technology
- Tianjin 300130, PR China
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46
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Zhou M, Grahn M, Zhou H, Holmgren A, Hedlund J. The facile assembly of nanocrystals by optimizing humidity. Chem Commun (Camb) 2014; 50:14261-4. [DOI: 10.1039/c4cc06603k] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Humidity and substrate properties are considered coordinately in the assembly of nano-sized crystals. The nanocrystal monolayers with thicknesses of 20–100 nm show large-area uniformity and excellent orientations.
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Affiliation(s)
- Ming Zhou
- Chemical Technology
- Luleå University of Technology
- SE-971 87 Luleå, Sweden
| | - Mattias Grahn
- Chemical Technology
- Luleå University of Technology
- SE-971 87 Luleå, Sweden
| | - Han Zhou
- Chemical Technology
- Luleå University of Technology
- SE-971 87 Luleå, Sweden
| | - Allan Holmgren
- Chemical Technology
- Luleå University of Technology
- SE-971 87 Luleå, Sweden
| | - Jonas Hedlund
- Chemical Technology
- Luleå University of Technology
- SE-971 87 Luleå, Sweden
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47
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Alpatova A, Kim ES, Sun X, Hwang G, Liu Y, Gamal El-Din M. Fabrication of porous polymeric nanocomposite membranes with enhanced anti-fouling properties: Effect of casting composition. J Memb Sci 2013. [DOI: 10.1016/j.memsci.2013.05.034] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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48
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Kwon HT, Jeong HK. Highly propylene-selective supported zeolite-imidazolate framework (ZIF-8) membranes synthesized by rapid microwave-assisted seeding and secondary growth. Chem Commun (Camb) 2013; 49:3854-6. [PMID: 23545838 DOI: 10.1039/c3cc41039k] [Citation(s) in RCA: 175] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Here we report a rapid and simple microwave-assisted seeding technique for the synthesis of high-quality ZIF-8 membranes with an average propylene-propane selectivity of about 40. The new seeding method was found to be applicable to other ZIFs including ZIF-7 and SIM-1.
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Affiliation(s)
- Hyuk Taek Kwon
- Artie McFerrin Department of Chemical Engineering, Texas A&M University, 3122 TAMU, College Station, TX, USA
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49
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Fois E, Tabacchi G, Devaux A, Belser P, Brühwiler D, Calzaferri G. Host-guest interactions and orientation of dyes in the one-dimensional channels of zeolite L. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:9188-9198. [PMID: 23789586 DOI: 10.1021/la400579w] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
A combined experimental and modeling study of methylacridine (MeAcr(+)) dye-zeolite L composites unravels the microscopic origin of their functional properties. The anisotropic orientation of the cationic dye inside the ZL channel is unambiguously determined and understood. The most stable orientation of MeAcr(+), which features both its long and short molecular axes nearly perpendicular to the channel axis, is mainly determined by dye-ZL electrostatic interactions but also depends on the cosolvent water. In ZL, MeAcr(+) is not hydrogen bonded to water or ZL framework oxygens and is hydrophobically solvated by water molecules. These findings further support the hypothesis that the cosolvent can importantly influence properties of dye-zeolite composites. Of relevance for a deeper comprehension of the physical chemistry of these hybrids is the observation that trivial energy transfer processes (self-absorption) are often playing a significant role in the optical properties of the composites.
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Affiliation(s)
- Ettore Fois
- Department of Science and High Technology, University of Insubria, and INSTM, Via Lucini 3, I-22100 Como, Italy.
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50
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Kwon HT, Jeong HK. In Situ Synthesis of Thin Zeolitic–Imidazolate Framework ZIF-8 Membranes Exhibiting Exceptionally High Propylene/Propane Separation. J Am Chem Soc 2013; 135:10763-8. [DOI: 10.1021/ja403849c] [Citation(s) in RCA: 433] [Impact Index Per Article: 39.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Hyuk Taek Kwon
- Artie McFerrin Department of Chemical Engineering ‡Materials Science and Engineering Program, Texas A&M University, College Station, TX-77843, United States
| | - Hae-Kwon Jeong
- Artie McFerrin Department of Chemical Engineering ‡Materials Science and Engineering Program, Texas A&M University, College Station, TX-77843, United States
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