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Zhao J, Zhang Y, Guo H, Zhang H, Ren J, Song R. Rational Regulation of Crystalline/Amorphous Microprisms-Nanochannels Based on Molecular Sieve (VSB-5) for Electrochemical Overall Water Splitting. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2200832. [PMID: 35561047 DOI: 10.1002/smll.202200832] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 04/20/2022] [Indexed: 06/15/2023]
Abstract
Rational regulation of the composition and structure of electrocatalysts is crucial to the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). Herein, a new electrocatalyst of nickel phosphate microprism (VSB/NiPO) is developed via a simple solvothermal reaction. The microprism is mainly composed of Versailles-Santa Barbara-5 (VSB-5, molecular sieve) with unique nanochannels, which contribute to accelerating mass transfer and exposing more active sites, thus displaying excellent HER activity. Subsequently, the crystallinity and electronic structure of the framework are modulated by incorporating Fe with the combination of calcination and impregnation. The nanochannels are converted to the amorphous arrangement, and the Ni centers are regulated to the higher valence. The resultant Fe-VSB/NiPO-500 exhibits a low OER overpotential of 227 mV at 50 mA cm-2 . Interestingly, an integrated electrolyzer assembled by VSB/NiPO(-) and Fe-VSB/NiPO-500(+) performs well for overall water splitting, which requires only 1.487 V to achieve 10 mA cm-2 , and remains stable at 100 mA cm-2 over 100 h. This finding opens a new avenue for developing VSB-5 in the field of electrocatalysis.
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Affiliation(s)
- Jiayang Zhao
- School of Chemical Sciences, University of Chinese Academy of Sciences (UCAS), 19 Yuquan Road, Shijingshan District, Beijing, 100049, China
| | - Yao Zhang
- School of Chemical Sciences, University of Chinese Academy of Sciences (UCAS), 19 Yuquan Road, Shijingshan District, Beijing, 100049, China
| | - Haoran Guo
- School of Chemical Sciences, University of Chinese Academy of Sciences (UCAS), 19 Yuquan Road, Shijingshan District, Beijing, 100049, China
| | - Haotian Zhang
- School of Chemical Sciences, University of Chinese Academy of Sciences (UCAS), 19 Yuquan Road, Shijingshan District, Beijing, 100049, China
| | - Junkai Ren
- Laboratory of Materials Science and Nanotechnology (LMNT), Department of Chemistry and Pharmacy, University of Sassari, CR-INSTM, Via Vienna 2, Sassari, 07100, Italy
| | - Rui Song
- School of Chemical Sciences, University of Chinese Academy of Sciences (UCAS), 19 Yuquan Road, Shijingshan District, Beijing, 100049, China
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Kurchenko YV, Simakova IL, Demidova YS, Panchenko VN, Timofeeva MN. Hydrogenation of Furfural to Furfuryl Alcohol in the Presence of Ru-Containing Catalysts Based on New Zeolite-Like Materials. CATALYSIS IN INDUSTRY 2019. [DOI: 10.1134/s2070050419020065] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Timofeeva MN, Prikhod’ko SA, Makarova KN, Malyshev ME, Panchenko VN, Ayupov AB, Jhung SH. Iron-containing materials as catalysts for the synthesis of 1,5-benzodiazepine from 1,2-phenylenediamine and acetone. REACTION KINETICS MECHANISMS AND CATALYSIS 2017. [DOI: 10.1007/s11144-017-1190-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Vanadium-containing nickel phosphate molecular sieves as catalysts for α-pinene oxidation with molecular oxygen: A study of the effect of vanadium content on activity and selectivity. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.molcata.2012.07.008] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Delidovich IV, Timofeeva MN, Orlov AY, Panchenko VN, Hasan Z, Jhung SH, Taran OP, Parmon VN. Nickel phosphate molecular sieves VSB-5 as heterogeneous catalysts for synthesis of monosaccharides from formaldehyde and dihydroxyacetone. NEW J CHEM 2012. [DOI: 10.1039/c2nj40363c] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Jun JW, Lee JS, Seok HY, Chang JS, Hwang JS, Jhung SH. A Facile Synthesis of SAPO-34 Molecular Sieves with Microwave Irradiation in Wide Reaction Conditions. B KOREAN CHEM SOC 2011. [DOI: 10.5012/bkcs.2011.32.6.1957] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Chemical and Thermal Stability of Isotypic Metal–Organic Frameworks: Effect of Metal Ions. Chemistry 2011; 17:6437-42. [DOI: 10.1002/chem.201100316] [Citation(s) in RCA: 219] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2011] [Indexed: 11/07/2022]
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Haque E, Kim CM, Jhung SH. Facile synthesis of cuprous oxide using ultrasound, microwave and electric heating: effect of heating methods on synthesis kinetics, morphology and yield. CrystEngComm 2011. [DOI: 10.1039/c0ce00920b] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Khan NA, Jun JW, Jhung SH. Effect of Water Concentration and Acidity on the Synthesis of Porous Chromium Benzenedicarboxylates. Eur J Inorg Chem 2010. [DOI: 10.1002/ejic.200901064] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Khan NA, Haque E, Jhung SH. Rapid syntheses of a metal-organic framework material Cu3(BTC)2(H2O)3 under microwave: a quantitative analysis of accelerated syntheses. Phys Chem Chem Phys 2010; 12:2625-31. [PMID: 20200739 DOI: 10.1039/b921558a] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A typical MOF material, Cu-BTC has been synthesized with microwave and conventional electric heating in various conditions to elucidate, for the first time, the quantitative acceleration in the synthesis of a MOF by microwaves. The acceleration by microwaves is mainly due to rapid nucleation rather than rapid crystal growth, even though both stages are accelerated. The acceleration in the nucleation stage by microwaves is due to the very large pre-exponential factor (about 1.4 x 10(10) times that of conventional synthesis) in the Arrhenius plot. However, the activation energy for the nucleation in the case of microwave synthesis is higher than the activation energy of conventional synthesis. The large acceleration in the nucleation, compared with that in the crystal growth, is observed once again by the syntheses in two-steps (changing heating methods from microwave into conventional heating or from conventional heating into microwave heating just after the nucleation is completed). The crystal size of Cu-BTC obtained by microwave-nucleation is generally smaller than the Cu-BTC made by conventional-nucleation, probably due to rapid nucleation and the small size of nuclei with microwave-nucleation.
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Affiliation(s)
- Nazmul Abedin Khan
- Department of Chemistry, Kyungpook National University, Daegu 702-701, Korea
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Haque E, Khan N, Park J, Jhung SH. Synthesis of a Metal-Organic Framework Material, Iron Terephthalate, by Ultrasound, Microwave, and Conventional Electric Heating: A Kinetic Study. Chemistry 2009; 16:1046-52. [DOI: 10.1002/chem.200902382] [Citation(s) in RCA: 253] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Microwave-Syntheses of Zeolitic Imidazolate Framework Material, ZIF-8. JOURNAL OF THE KOREAN CHEMICAL SOCIETY-DAEHAN HWAHAK HOE JEE 2009. [DOI: 10.5012/jkcs.2009.53.5.553] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Haque E, Khan N, Lee J, Jhung S. Facile Purification of Porous Metal Terephthalates with Ultrasonic Treatment in the Presence of Amides. Chemistry 2009; 15:11730-6. [DOI: 10.1002/chem.200902036] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Liu SJ, Cheng HY, Zhao FY, Gong JY, Yu SH. Controllable Synthesis of VSB-5 Microspheres and Microrods: Growth Mechanism and Selective Hydrogenation Catalysis. Chemistry 2008; 14:4074-81. [DOI: 10.1002/chem.200701822] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Jin T, Hwang YK, Hong DY, Jhung SH, Hwang JS, Park SE, Kim YH, Chang JS. Microwave synthesis, characterization and catalytic properties of titanium-incorporated ZSM-5 zeolite. RESEARCH ON CHEMICAL INTERMEDIATES 2007. [DOI: 10.1163/156856707782565804] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Jhung SH, Jin T, Hwang YK, Chang JS. Microwave Effect in the Fast Synthesis of Microporous Materials: Which Stage Between Nucleation and Crystal Growth is Accelerated by Microwave Irradiation? Chemistry 2007; 13:4410-7. [PMID: 17407114 DOI: 10.1002/chem.200700098] [Citation(s) in RCA: 131] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Microporous materials, such as silicalite-1 and VSB-5 molecular sieves, have been synthesized by both microwave irradiation (MW) and conventional electric heating (CE). The accelerated syntheses by microwave irradiation can be quantitatively investigated by various heating modes conducted in two steps such as MW-MW, MW-CE, CE-MW, and CE-CE (in the order of nucleation-crystal growth). In the case of synthesis by MW-CE or CE-MW, the heating modes were changed for the second step just after the appearance of X-ray diffraction peaks in the first step. We have quantitatively demonstrated that the microwave irradiation accelerates not only the nucleation but also crystal growth. However, the contribution to decrease the synthesis time by microwave irradiation is larger in the nucleation stage than in the step of crystal growth. The crystal size increases in the order of MW-MW<MW-CE approximately CE-MW<CE-CE synthesis. The fast crystal growth and small crystal size observed in the synthesis from microwave-nucleated precursor can be explained in terms of the fact that the microwave-nucleated samples have higher population of nuclei with smaller size than the samples nucleated by conventional heating.
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Affiliation(s)
- Sung Hwa Jhung
- Research Center for Nanocatalysts, Korea Research Institute of Chemical Technology (KRICT), P.O. Box, 107, Yusung, Daejeon 305-600, Korea.
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Selective oxidation of styrene to benzaldehyde over VSB-5 and isomorphously substituted cobalt VSB-5. CATAL COMMUN 2007. [DOI: 10.1016/j.catcom.2006.08.032] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Maspoch D, Ruiz-Molina D, Veciana J. Old materials with new tricks: multifunctional open-framework materials. Chem Soc Rev 2007; 36:770-818. [PMID: 17471401 DOI: 10.1039/b501600m] [Citation(s) in RCA: 792] [Impact Index Per Article: 46.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The literature on open-framework materials has shown numerous examples of porous solids with additional structural, chemical, or physical properties. These materials show promise for applications ranging from sensing, catalysis and separation to multifunctional materials. This critical review provides an up-to-date survey to this new generation of multifunctional open-framework solids. For this, a detailed revision of the different examples so far reported will be presented, classified into five different sections: magnetic, chiral, conducting, optical, and labile open-frameworks for sensing applications. (413 references.)
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Affiliation(s)
- Daniel Maspoch
- Institut de Ciència de Materials de Barcelona (CSIC), Campus Universitari de Bellaterra, 08193, Cerdanyola, Spain
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Jhung SH, Lee JH, Forster PM, Férey G, Cheetham AK, Chang JS. Microwave Synthesis of Hybrid Inorganic–Organic Porous Materials: Phase-Selective and Rapid Crystallization. Chemistry 2006; 12:7899-905. [PMID: 16871506 DOI: 10.1002/chem.200600270] [Citation(s) in RCA: 91] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Microwave synthesis of two porous nickel glutarates was compared with conventional hydrothermal synthesis. The cubic nickel glutarate, [Ni20(C5H6O4)20(H2O)8] x 40 H2O (1), was synthesized by conventional electrical heating in several hours or days, depending on synthesis temperature. Crystallization was greatly accelerated by microwave irradiation, in which more stable, tetragonal nickel glutarate, [Ni22(C5H6O4)20(OH)4(H2O)10] x 38 H2O (2), was formed within a few minutes, suggesting the efficiency of the microwave technique in the synthesis of porous hybrid materials. The cubic phase 1 is formed preferentially at low pH, low temperature, and especially under conventional electrical heating. In contrast, the tetragonal phase 2 is obtained favorably at high pH, high temperature, and especially with microwave irradiation. This work demonstrates that the microwave method provides not only the very fast synthesis of a hybrid material, but also the possibility to discover a new porous hybrid material not yet identified by conventional hydrothermal synthesis. The hydrothermal formation of metal-organic hybrid materials in a matter of minutes is an important step towards developing commercially viable routes for producing this valuable class of materials.
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Affiliation(s)
- Sung Hwa Jhung
- Research Center for Nanocatalysts Korea Research Institute of Chemical Technology (KRICT) P.O. Box, 107, Yusung, Daejeon 305-600, Korea
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Syntheses of FAPO-5 Molecular Sieves with Microwave Irradiation and Their Characterization. JOURNAL OF THE KOREAN CHEMICAL SOCIETY-DAEHAN HWAHAK HOE JEE 2006. [DOI: 10.5012/jkcs.2006.50.1.053] [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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Gao W, Yang T, Wang Y, Li G, Liao F, Lin J. Synthesis, Characterization, and Catalytic Performance of Cr-Incorporated Aluminoborate Octahedral Molecular Sieves. J Phys Chem B 2005; 109:22775-9. [PMID: 16853967 DOI: 10.1021/jp053966b] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A series of Cr-incorporated PKU-1 molecular sieves (Cr-PKU-1) were synthesized by using boric acid as a flux, and the physicochemical properties were characterized by XRD, ICP, SEM, XPS, UV-vis, and NH3-TPD methods. The morphology of Cr-PKU-1 is a needlelike hexagonal prism with uniform size of about 2 microm in diameter and 20-50 microm in length. XRD and UV-vis provide direct evidence that Cr ions have been successfully incorporated into the framework of PKU-1. NH3-TPD shows a dramatic increase of acidic sites in the Cr-PKU-1 in comparison with PKU-1, indicating that the Cr incorporation can significantly modify the acidity of the compound. In addition, the incorporated Cr ions may act as redox centers, thus catalytic performance of Cr-PKU-1 molecular sieve was investigated by the selective oxidation of styrene under mild reaction conditions.
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Affiliation(s)
- Wenliang Gao
- State Key laboratory for Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, PR China
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Selective Crystallization of SAPO-5 and SAPO-34 Molecular Sieves in Alkaline Condition: Effect of Heating Method. B KOREAN CHEM SOC 2005. [DOI: 10.5012/bkcs.2005.26.4.558] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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