1
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Yonesato K, Yamaguchi K, Suzuki K. Synthesis of polyoxothiometalates through site-selective post-editing sulfurization of polyoxometalates. Chem Sci 2024; 15:11267-11271. [PMID: 39055039 PMCID: PMC11268463 DOI: 10.1039/d4sc02912g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Accepted: 06/11/2024] [Indexed: 07/27/2024] Open
Abstract
Polyoxometalates (POMs) function as platforms for synthesizing structurally well-defined inorganic molecules with diverse structures, metals, compositions, and arrangements. Although post-editing of the oxygen sites of POMs has great potential for development of unprecedented structures, electronic states, properties, and applications, facile methods for site-selective substitution of the oxygen sites with other atoms remain limited. Herein, we report a direct site-selective oxygen-sulfur substitution method that enables transforming POMs [XW12O40]4- (X = Si, Ge) to Keggin-type polyoxothiometalates (POTMs) [XW12O28S12]4- using sulfurizing reagents in an organic solvent. The resulting POTMs retain the original Keggin-type structure, with all 12 surface W[double bond, length as m-dash]O groups selectively converted to W[double bond, length as m-dash]S without sulfurization of other oxygen sites. These POTMs show high stability against water and O2 in organic solvents and a drastic change in the electronic states and redox properties. The findings of this study represent a facile method for converting POMs to POTMs, leading to the development of their unique properties and applications in diverse fields, including (photo)catalysis, sensing, optics, electronics, energy conversion, and batteries.
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Affiliation(s)
- Kentaro Yonesato
- Department of Applied Chemistry, School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry, School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Kosuke Suzuki
- Department of Applied Chemistry, School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
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2
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Kamachi M, Yonesato K, Okazaki T, Yanai D, Kikkawa S, Yamazoe S, Ishikawa R, Shibata N, Ikuhara Y, Yamaguchi K, Suzuki K. Synthesis of a Gold-Silver Alloy Nanocluster within a Ring-Shaped Polyoxometalate and Its Photocatalytic Property. Angew Chem Int Ed Engl 2024:e202408358. [PMID: 38984565 DOI: 10.1002/anie.202408358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Revised: 06/12/2024] [Accepted: 07/10/2024] [Indexed: 07/11/2024]
Abstract
Alloying is an effective method for modulating metal nanoclusters to enrich their structural diversity and physicochemical properties. Recent investigations have demonstrated that polyoxometalates (POMs) can act as effective multidentate ligands for silver (Ag) nanoclusters to endow them with synergistic properties, reactivity, catalytic properties, and stability. However, the application of POMs as ligands has been confined predominantly to monometallic nanoclusters. Herein, we report a synthetic method for fabricating surface-exposed gold (Au)-Ag alloy nanoclusters within a ring-shaped POM ([P8W48O184]40-). Reacting an Ag nanocluster stabilized by the ring-shaped POM with Au ions (Au+) was found to substitute several Ag atoms at the core of the nanocluster with Au atoms. The resultant {Au8Ag26} alloy nanocluster demonstrated superior photocatalytic activity and stability compared to the pristine Ag nanocluster in the aerobic oxidation of α-terpinene under visible-light irradiation. These findings provide fundamental insights into the formation and catalytic properties of POM-stabilized alloy nanoclusters and advance exploration into the synthesis and applications of diverse metal nanoclusters.
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Affiliation(s)
- Minori Kamachi
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Kentaro Yonesato
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Takashi Okazaki
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Daiki Yanai
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Soichi Kikkawa
- Department of Chemistry, Graduate School of Science, Tokyo Metropolitan University, 1-1 Minami Osawa, Hachioji, Tokyo, 192-0397, Japan
| | - Seiji Yamazoe
- Department of Chemistry, Graduate School of Science, Tokyo Metropolitan University, 1-1 Minami Osawa, Hachioji, Tokyo, 192-0397, Japan
| | - Ryo Ishikawa
- Institute of Engineering Innovation, The University of Tokyo, 2-11-16 Yayoi, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Naoya Shibata
- Institute of Engineering Innovation, The University of Tokyo, 2-11-16 Yayoi, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Yuichi Ikuhara
- Institute of Engineering Innovation, The University of Tokyo, 2-11-16 Yayoi, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Kosuke Suzuki
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
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3
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Xia K, Yatabe T, Yonesato K, Kikkawa S, Yamazoe S, Nakata A, Ishikawa R, Shibata N, Ikuhara Y, Yamaguchi K, Suzuki K. Ultra-stable and highly reactive colloidal gold nanoparticle catalysts protected using multi-dentate metal oxide nanoclusters. Nat Commun 2024; 15:851. [PMID: 38321026 PMCID: PMC10847421 DOI: 10.1038/s41467-024-45066-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 01/11/2024] [Indexed: 02/08/2024] Open
Abstract
Owing to their remarkable properties, gold nanoparticles are applied in diverse fields, including catalysis, electronics, energy conversion and sensors. However, for catalytic applications of colloidal gold nanoparticles, the trade-off between their reactivity and stability is a significant concern. Here we report a universal approach for preparing stable and reactive colloidal small (~3 nm) gold nanoparticles by using multi-dentate polyoxometalates as protecting agents in non-polar solvents. These nanoparticles exhibit exceptional stability even under conditions of high concentration, long-term storage, heating and addition of bases. Moreover, they display excellent catalytic performance in various oxidation reactions of organic substrates using molecular oxygen as the sole oxidant. Our findings highlight the ability of inorganic multi-dentate ligands with structural stability and robust steric and electronic effects to confer stability and reactivity upon gold nanoparticles. This approach can be extended to prepare metal nanoparticles other than gold, enabling the design of novel nanomaterials with promising applications.
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Affiliation(s)
- Kang Xia
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, Tokyo, Japan
| | - Takafumi Yatabe
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, Tokyo, Japan
| | - Kentaro Yonesato
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, Tokyo, Japan
| | - Soichi Kikkawa
- Department of Chemistry, Graduate School of Science, Tokyo Metropolitan University, Tokyo, Japan
| | - Seiji Yamazoe
- Department of Chemistry, Graduate School of Science, Tokyo Metropolitan University, Tokyo, Japan
| | - Ayako Nakata
- Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Ibaraki, Japan
| | - Ryo Ishikawa
- Institute of Engineering Innovation, The University of Tokyo, Tokyo, Japan
| | - Naoya Shibata
- Institute of Engineering Innovation, The University of Tokyo, Tokyo, Japan
| | - Yuichi Ikuhara
- Institute of Engineering Innovation, The University of Tokyo, Tokyo, Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, Tokyo, Japan
| | - Kosuke Suzuki
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, Tokyo, Japan.
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4
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Matono T, Ueno S, Kato Y, Umehara N, Lang Z, Li Y, Ninomiya W, Elhallal M, Gonzales-Yañez EO, Capron M, Ishikawa S, Ueda W, Sano T, Sadakane M. Preparation and isolation of mono-Nb substituted Keggin-type phosphomolybdic acid and its application as an oxidation catalyst for isobutylaldehyde and Wacker-type oxidation. Dalton Trans 2023. [PMID: 37971057 DOI: 10.1039/d3dt02451b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
The potassium and proton mixed salt of mono-Nb substituted Keggin-type phosphomolybdate, KH3[PMo11NbO40], was isolated in a pure form by reacting Keggin-type phosphomolybdic acid (H3[PMo12O40]) and potassium hexaniobate (K8Nb6O19) in water, followed by freeze-drying. The all protonic form, H4[PMo11NbO40], was isolated via proton exchange with H-resin and subsequent freeze-drying. The most crucial factor to isolate KH3[PMo11NbO40] and H4[PMo11NbO40] in pure forms is the evaporation of water using the freeze-drying method. Using a similar procedure, the potassium salt of the di-Nb substituted compound K5[PMo10Nb2O40] was isolated. H4[PMo11NbO40] exhibited high catalytic activity for oxidizing isobutylaldehyde to methacrolein and moderate catalytic activity for the Wacker-type oxidation of allyl phenyl ether when combined with Pd(OAc)2.
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Affiliation(s)
- Takashi Matono
- Department of Applied Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1, Kagamiyama, Higashi-Hiroshima, 739-8527, Japan.
| | - Shinsuke Ueno
- Department of Applied Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1, Kagamiyama, Higashi-Hiroshima, 739-8527, Japan.
| | - Yuki Kato
- MMA R&D Center, Mitsubishi Chemical Corporation, 20-1, Miyuki-cho, Ootake, Hiroshima 739-0693, Japan
| | - Naoya Umehara
- Department of Applied Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1, Kagamiyama, Higashi-Hiroshima, 739-8527, Japan.
| | - Zhongling Lang
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Yangguang Li
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Wataru Ninomiya
- MMA R&D Center, Mitsubishi Chemical Corporation, 20-1, Miyuki-cho, Ootake, Hiroshima 739-0693, Japan
| | - Maher Elhallal
- Université de Lille, CNRS, Centrale Lille, ENSCL, Université Artois, UMR 8181 - UCCS - Unité de Catalyse et Chimie du Solide, F-59000 Lille, France
| | - Edgar Osiris Gonzales-Yañez
- Université de Lille, CNRS, Centrale Lille, ENSCL, Université Artois, UMR 8181 - UCCS - Unité de Catalyse et Chimie du Solide, F-59000 Lille, France
| | - Mickael Capron
- Université de Lille, CNRS, Centrale Lille, ENSCL, Université Artois, UMR 8181 - UCCS - Unité de Catalyse et Chimie du Solide, F-59000 Lille, France
| | - Satoshi Ishikawa
- Department of Material and Life Chemistry, Faculty of Engineering, Kanagawa University, 3-27, Rokkakubashi, Kanagawa-ku, Yokohama 221-8686, Japan
| | - Wataru Ueda
- Department of Material and Life Chemistry, Faculty of Engineering, Kanagawa University, 3-27, Rokkakubashi, Kanagawa-ku, Yokohama 221-8686, Japan
| | - Tsuneji Sano
- Department of Applied Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1, Kagamiyama, Higashi-Hiroshima, 739-8527, Japan.
| | - Masahiro Sadakane
- Department of Applied Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1, Kagamiyama, Higashi-Hiroshima, 739-8527, Japan.
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5
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Yonesato K, Yanai D, Yamazoe S, Yokogawa D, Kikuchi T, Yamaguchi K, Suzuki K. Surface-exposed silver nanoclusters inside molecular metal oxide cavities. Nat Chem 2023:10.1038/s41557-023-01234-w. [PMID: 37291453 DOI: 10.1038/s41557-023-01234-w] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 05/09/2023] [Indexed: 06/10/2023]
Abstract
The surfaces of metal nanoclusters, including their interface with metal oxides, exhibit a high reactivity that is attractive for practical purposes. This high reactivity, however, has also hindered the synthesis of structurally well-defined hybrids of metal nanoclusters and metal oxides with exposed surfaces and/or interfaces. Here we report the sequential synthesis of structurally well-defined {Ag30} nanoclusters in the cavity of ring-shaped molecular metal oxides known as polyoxometalates. The {Ag30} nanoclusters possess exposed silver surfaces yet are stabilized both in solution and the solid state by the surrounding ring-shaped polyoxometalate species. The clusters underwent a redox-induced structural transformation without undesirable agglomeration or decomposition. Furthermore, {Ag30} nanoclusters showed high catalytic activity for the selective reduction of several organic functional groups using H2 under mild reaction conditions. We believe that these findings will serve for the discrete synthesis of surface-exposed metal nanoclusters stabilized by molecular metal oxides, which may in turn find applications in, for example, the fields of catalysis and energy conversion.
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Affiliation(s)
- Kentaro Yonesato
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, Tokyo, Japan
| | - Daiki Yanai
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, Tokyo, Japan
| | - Seiji Yamazoe
- Department of Chemistry, Graduate School of Science, Tokyo Metropolitan University, Tokyo, Japan
- Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), Kawaguchi, Japan
| | - Daisuke Yokogawa
- Graduate School of Arts and Science, The University of Tokyo, Tokyo, Japan
| | | | - Kazuya Yamaguchi
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, Tokyo, Japan.
| | - Kosuke Suzuki
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, Tokyo, Japan.
- Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), Kawaguchi, Japan.
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6
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Kibler A, Tsang N, Winslow M, Argent SP, Lam HW, Robinson D, Newton GN. Electronic Structure and Photoactivity of Organoarsenic Hybrid Polyoxometalates. Inorg Chem 2023; 62:3585-3591. [PMID: 36763348 PMCID: PMC9976276 DOI: 10.1021/acs.inorgchem.2c04249] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
Organofunctionalization of polyoxometalates (POMs) allows the preparation of hybrid molecular systems with tunable electronic properties. Currently, there are only a handful of approaches that allow for the fine-tuning of POM frontier molecular orbitals in a predictable manner. Herein, we demonstrate a new functionalization method for the Wells-Dawson polyoxotungstate [P2W18O62]6- using arylarsonic acids which enables modulation of the redox and photochemical properties. Arylarsonic groups facilitate orbital mixing between the organic and inorganic moieties, and the nature of the organic substituents significantly impacts the redox potentials of the POM core. The photochemical response of the hybrid POMs correlates with their computed and experimentally estimated lowest unoccupied molecular orbital energies, and the arylarsonic hybrids are found to exhibit increased visible light photosensitivity comparable with that of arylphosphonic analogues. Arylarsonic hybridization offers a route to stable and tunable organic-inorganic hybrid systems for a range of redox and photochemical applications.
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Affiliation(s)
- Alexander
J. Kibler
- The
GSK Carbon Neutral Laboratories for Sustainable Chemistry, School
of Chemistry, University of Nottingham, Jubilee Campus, Nottingham NG7 2TU, U.K.
| | - Nicole Tsang
- The
GSK Carbon Neutral Laboratories for Sustainable Chemistry, School
of Chemistry, University of Nottingham, Jubilee Campus, Nottingham NG7 2TU, U.K.
| | - Max Winslow
- Department
of Chemistry and Forensics, School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, U.K.
| | - Stephen P. Argent
- School
of Chemistry, University of Nottingham, University Park, Nottingham NG7 2RD, U.K.
| | - Hon Wai Lam
- The
GSK Carbon Neutral Laboratories for Sustainable Chemistry, School
of Chemistry, University of Nottingham, Jubilee Campus, Nottingham NG7 2TU, U.K.
| | - David Robinson
- Department
of Chemistry and Forensics, School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham NG11 8NS, U.K.
| | - Graham N. Newton
- The
GSK Carbon Neutral Laboratories for Sustainable Chemistry, School
of Chemistry, University of Nottingham, Jubilee Campus, Nottingham NG7 2TU, U.K.,
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7
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Xia K, Yamaguchi K, Suzuki K. Recent Advances in Hybrid Materials of Metal Nanoparticles and Polyoxometalates. Angew Chem Int Ed Engl 2023; 62:e202214506. [PMID: 36282183 DOI: 10.1002/anie.202214506] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Indexed: 11/25/2022]
Abstract
Polyoxometalates (POMs), anionic metal-oxygen nanoclusters that possess various composition-dependent properties, are widely used to modify the existing properties of metal nanoparticles and to endow them with new ones. Herein, we present an overview of recent advances in hybrid materials that consist of metal nanoparticles and POMs. Following a brief introduction on the inception of this area and its development, representative properties and applications of these materials in various fields such as electrochemistry, photochemistry, and catalysis are introduced. We discuss how the combination of two classic inorganic materials facilitates cooperative and synergistic behavior, and we also give personal perspectives on the future development of this field.
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Affiliation(s)
- Kang Xia
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Kosuke Suzuki
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
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8
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Lv J, Lang Z, Fu J, Lan Q, Liu R, Zang H, Li Y, Ye D, Streb C. Molecular Iron Oxide Clusters Boost the Oxygen Reduction Reaction of Platinum Electrocatalysts at Near‐Neutral pH. Angew Chem Int Ed Engl 2022; 61:e202202650. [PMID: 35381106 PMCID: PMC9546390 DOI: 10.1002/anie.202202650] [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: 02/17/2022] [Indexed: 11/10/2022]
Abstract
The oxygen reduction reaction (ORR) is a key energy conversion process, which is critical for the efficient operation of fuel cells and metal–air batteries. Here, we report the significant enhancement of the ORR‐performance of commercial platinum‐on‐carbon electrocatalysts when operated in aqueous electrolyte solutions (pH 5.6), containing the polyoxoanion [Fe28(μ3‐O)8(L‐(−)‐tart)16(CH3COO)24]20−. Mechanistic studies provide initial insights into the performance‐improving role of the iron oxide cluster during ORR. Technological deployment of the system is demonstrated by incorporation into a direct formate microfluidic fuel cell (DFMFC), where major performance increases are observed when compared with reference electrolytes. The study provides the first examples of iron oxide clusters in electrochemical energy conversion and storage.
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Affiliation(s)
- Jia‐Qi Lv
- Key Lab of Polyoxometalate Science of Ministry of Education Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province Institute of Functional Material Chemistry Faculty of Chemistry Northeast Normal University Changchun 130024 China
| | - Zhong‐Ling Lang
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education Northeast Normal University Changchun 130024 China
| | - Jia‐Qi Fu
- Key Lab of Polyoxometalate Science of Ministry of Education Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province Institute of Functional Material Chemistry Faculty of Chemistry Northeast Normal University Changchun 130024 China
| | - Qiao Lan
- Institute of Engineering Thermophysics School of Energy and Power Engineering Chongqing University No. 174 Shazheng Street, Shapingba District Chongqing 400030 China
| | - Rongji Liu
- Institute of Inorganic Chemistry I Ulm University Albert-Einstein-Allee 11 89081 Ulm Germany
- Helmholtz-Institute Ulm (HIU) Helmholtzstr. 11 89081 Ulm Germany
| | - Hong‐Ying Zang
- Key Lab of Polyoxometalate Science of Ministry of Education Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province Institute of Functional Material Chemistry Faculty of Chemistry Northeast Normal University Changchun 130024 China
| | - Yang‐Guang Li
- Key Lab of Polyoxometalate Science of Ministry of Education Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province Institute of Functional Material Chemistry Faculty of Chemistry Northeast Normal University Changchun 130024 China
| | - Ding‐Ding Ye
- Institute of Engineering Thermophysics School of Energy and Power Engineering Chongqing University No. 174 Shazheng Street, Shapingba District Chongqing 400030 China
| | - Carsten Streb
- Institute of Inorganic Chemistry I Ulm University Albert-Einstein-Allee 11 89081 Ulm Germany
- Helmholtz-Institute Ulm (HIU) Helmholtzstr. 11 89081 Ulm Germany
- Department of Chemistry, Johannes Gutenberg University Mainz Duesbergweg 10-14 55131 Mainz Germany
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9
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Xia K, Yatabe T, Yonesato K, Yabe T, Kikkawa S, Yamazoe S, Nakata A, Yamaguchi K, Suzuki K. Supported Anionic Gold Nanoparticle Catalysts Modified Using Highly Negatively Charged Multivacant Polyoxometalates. Angew Chem Int Ed Engl 2022; 61:e202205873. [DOI: 10.1002/anie.202205873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Kang Xia
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Takafumi Yatabe
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Kentaro Yonesato
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Tomohiro Yabe
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Soichi Kikkawa
- Department of Chemistry Graduate School of Science Tokyo Metropolitan University 1-1 Minami Osawa Hachioji Tokyo 192-0397 Japan
| | - Seiji Yamazoe
- Department of Chemistry Graduate School of Science Tokyo Metropolitan University 1-1 Minami Osawa Hachioji Tokyo 192-0397 Japan
- Precursory Research for Embryonic Science and Technology (PRESTO) Japan Science and Technology Agency (JST) 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan
| | - Ayako Nakata
- Precursory Research for Embryonic Science and Technology (PRESTO) Japan Science and Technology Agency (JST) 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan
- International Center for Materials Nanoarchitectonics (WPI-MANA) National Institute for Materials Science (NIMS) 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Kosuke Suzuki
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
- Precursory Research for Embryonic Science and Technology (PRESTO) Japan Science and Technology Agency (JST) 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan
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10
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Xia K, Yatabe T, Yonesato K, Yabe T, Kikkawa S, Yamazoe S, Nakata A, Yamaguchi K, Suzuki K. Supported Anionic Gold Nanoparticle Catalysts Modified Using Highly Negatively Charged Multivacant Polyoxometalates. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202205873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Kang Xia
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Takafumi Yatabe
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Kentaro Yonesato
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Tomohiro Yabe
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Soichi Kikkawa
- Department of Chemistry Graduate School of Science Tokyo Metropolitan University 1-1 Minami Osawa Hachioji Tokyo 192-0397 Japan
| | - Seiji Yamazoe
- Department of Chemistry Graduate School of Science Tokyo Metropolitan University 1-1 Minami Osawa Hachioji Tokyo 192-0397 Japan
- Precursory Research for Embryonic Science and Technology (PRESTO) Japan Science and Technology Agency (JST) 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan
| | - Ayako Nakata
- Precursory Research for Embryonic Science and Technology (PRESTO) Japan Science and Technology Agency (JST) 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan
- International Center for Materials Nanoarchitectonics (WPI-MANA) National Institute for Materials Science (NIMS) 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Kosuke Suzuki
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
- Precursory Research for Embryonic Science and Technology (PRESTO) Japan Science and Technology Agency (JST) 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan
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11
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Yonesato K, Yamazoe S, Kikkawa S, Yokogawa D, Yamaguchi K, Suzuki K. Variable control of the electronic states of a silver nanocluster via protonation/deprotonation of polyoxometalate ligands. Chem Sci 2022; 13:5557-5561. [PMID: 35694364 PMCID: PMC9116452 DOI: 10.1039/d2sc01156e] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 04/11/2022] [Indexed: 12/13/2022] Open
Abstract
The properties of metal nanoclusters depend on both their structures and electronic states. However, in contrast to the significant advances achieved in the synthesis of structurally well-defined metal nanoclusters, systematic control of their electronic states is still challenging. In particular, stimuli-responsive and reversible control of the electronic states of metal nanoclusters is attractive from the viewpoint of their practical applications. Recently, we developed a synthesis method for atomically precise Ag nanoclusters using polyoxometalates (POMs) as inorganic ligands. Herein, we exploited the acid/base nature of POMs to reversibly change the electronic states of an atomically precise {Ag27} nanocluster via protonation/deprotonation of the surrounding POM ligands. We succeeded in systematically controlling the electronic states of the {Ag27} nanocluster by adding an acid or a base (0-6 equivalents), which was accompanied by drastic changes in the ultraviolet-visible absorption spectra of the nanocluster solutions. These results demonstrate the great potential of Ag nanoclusters for unprecedented applications in various fields such as sensing, biolabeling, electronics, and catalysis.
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Affiliation(s)
- Kentaro Yonesato
- Department of Applied Chemistry, School of Engineering, The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Seiji Yamazoe
- Department of Chemistry, Graduate School of Science, Tokyo Metropolitan University 1-1 Minami Osawa Hachioji Tokyo 192-0397 Japan
- Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST) 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan
| | - Soichi Kikkawa
- Department of Chemistry, Graduate School of Science, Tokyo Metropolitan University 1-1 Minami Osawa Hachioji Tokyo 192-0397 Japan
| | - Daisuke Yokogawa
- Graduate School of Arts and Science, The University of Tokyo 3-8-1 Komaba Meguro-ku Tokyo 153-8902 Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry, School of Engineering, The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Kosuke Suzuki
- Department of Applied Chemistry, School of Engineering, The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
- Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST) 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan
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12
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Lv J, Lang Z, Fu J, Lan Q, Liu R, Zang H, Li Y, Ye D, Streb C. Molecular Iron Oxide Clusters Boost the Oxygen Reduction Reaction of Platinum Electrocatalysts at Near‐Neutral pH. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202202650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jia‐Qi Lv
- Key Lab of Polyoxometalate Science of Ministry of Education Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province Institute of Functional Material Chemistry Faculty of Chemistry Northeast Normal University Changchun 130024 China
| | - Zhong‐Ling Lang
- Centre for Advanced Optoelectronic Functional Materials Research and Key Laboratory for UV Light-Emitting Materials and Technology of Ministry of Education Northeast Normal University Changchun 130024 China
| | - Jia‐Qi Fu
- Key Lab of Polyoxometalate Science of Ministry of Education Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province Institute of Functional Material Chemistry Faculty of Chemistry Northeast Normal University Changchun 130024 China
| | - Qiao Lan
- Institute of Engineering Thermophysics School of Energy and Power Engineering Chongqing University No. 174 Shazheng Street, Shapingba District Chongqing 400030 China
| | - Rongji Liu
- Institute of Inorganic Chemistry I Ulm University Albert-Einstein-Allee 11 89081 Ulm Germany
- Helmholtz-Institute Ulm (HIU) Helmholtzstr. 11 89081 Ulm Germany
| | - Hong‐Ying Zang
- Key Lab of Polyoxometalate Science of Ministry of Education Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province Institute of Functional Material Chemistry Faculty of Chemistry Northeast Normal University Changchun 130024 China
| | - Yang‐Guang Li
- Key Lab of Polyoxometalate Science of Ministry of Education Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province Institute of Functional Material Chemistry Faculty of Chemistry Northeast Normal University Changchun 130024 China
| | - Ding‐Ding Ye
- Institute of Engineering Thermophysics School of Energy and Power Engineering Chongqing University No. 174 Shazheng Street, Shapingba District Chongqing 400030 China
| | - Carsten Streb
- Institute of Inorganic Chemistry I Ulm University Albert-Einstein-Allee 11 89081 Ulm Germany
- Helmholtz-Institute Ulm (HIU) Helmholtzstr. 11 89081 Ulm Germany
- Department of Chemistry, Johannes Gutenberg University Mainz Duesbergweg 10-14 55131 Mainz Germany
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13
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Sato K, Yonesato K, Yatabe T, Yamaguchi K, Suzuki K. Nanostructured Manganese Oxides within a Ring-Shaped Polyoxometalate Exhibiting Unusual Oxidation Catalysis. Chemistry 2021; 28:e202104051. [PMID: 34870869 DOI: 10.1002/chem.202104051] [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: 11/10/2021] [Indexed: 11/07/2022]
Abstract
Nanosized manganese oxides have recently received considerable attention for their synthesis, structures, and potential applications. Although various synthetic methods have been developed, precise synthesis of novel nanostructured manganese oxides are still challenging. In this study, using a structurally defined nanosized cavity inside a ring-shaped polyoxometalate, we succeeded in synthesizing two types of discrete 18 and 20 nuclear nanostructured manganese oxides, Mn18 and Mn20, respectively. In particular, Mn18 showed much higher catalytic activity than other manganese oxides for the oxygenation of alkylarenes including electron-deficient ones, and the reaction proceeded through a unique reaction mechanism due to its unusual manganese oxide structure.
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Affiliation(s)
- Kai Sato
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Kentaro Yonesato
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Takafumi Yatabe
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Kosuke Suzuki
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan.,Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan
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14
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Fertig AA, Brennessel WW, McKone JR, Matson EM. Concerted Multiproton-Multielectron Transfer for the Reduction of O 2 to H 2O with a Polyoxovanadate Cluster. J Am Chem Soc 2021; 143:15756-15768. [PMID: 34528799 DOI: 10.1021/jacs.1c07076] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The concerted transfer of protons and electrons enables the activation of small-molecule substrates by bypassing energetically costly intermediates. Here, we present the synthesis and characterization of several hydrogenated forms of an organofunctionalized vanadium oxide assembly, [V6O13(TRIOLNO2)2]2-, and their ability to facilitate the concerted transfer of protons and electrons to O2. Electrochemical analysis reveals that the fully reduced cluster is capable of mediating 2e-/2H+ transfer reactions from surface hydroxide ligands, with an average bond dissociation free energy (BDFE) of 61.6 kcal/mol. Complementary stoichiometric experiments with hydrogen-atom-accepting reagents of established bond strengths confirm that the electrochemically established BDFE predicts the 2H+/2e- transfer reactivity of the assembly. Finally, the reactivity of the reduced polyoxovanadate toward O2 reduction is summarized; our results indicate a stepwise reduction of the substrate, proceeding through H2O2 en route to the formation of H2O. Kinetic isotope effect experiments confirm the participation of hydrogen transfer in the rate-determining step of both the reduction of O2 and H2O2. This work constitutes the first example of hydrogen atom transfer for small-molecule activation with reduced polyoxometalates, where both electron and proton originate from the cluster.
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Affiliation(s)
- Alex A Fertig
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
| | - William W Brennessel
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
| | - James R McKone
- Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States
| | - Ellen M Matson
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
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15
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Meyer RL, Miró P, Brennessel WW, Matson EM. O 2 Activation with a Sterically Encumbered, Oxygen-Deficient Polyoxovanadate-Alkoxide Cluster. Inorg Chem 2021; 60:13833-13843. [PMID: 34161731 DOI: 10.1021/acs.inorgchem.1c00887] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The isolation of the oxygen-deficient, polyoxovanadate-alkoxide (POV-alkoxide) cluster, [nBu4N][V6O6(OMe)12(MeCN)], and its subsequent reactivity with oxygen (O2), has demonstrated the utility of these assemblies as molecular models for heterogeneous metal oxide catalysts. However, the mechanism through which this cluster activates and reduces O2 to generate the oxygenated species is poorly understood. Currently it is speculated that this POV-alkoxide mediates the four-electron O-O bond cleavage through an O2 bridged dimeric intermediate, a mechanism which is not viable for O2 reduction at solid-state metal oxide surfaces. Here, we report the successful activation and reduction of O2 by the calix-functionalized POV-alkoxide cluster, [nBu4N][(calix)V6O6(OMe)8](MeCN)] (calix = 4-tert-butylcalix[4]arene). The steric hindrance imparted to the open vanadium site by the calix motif eliminates the possibility of cooperative, bimolecular O2 activation, allowing for a comparison of the reactivity of this system with that of the nonfunctionalized POV-alkoxide described previously. Rigorous characterization of the calix-substituted assembly, enabled by its newfound solubility in organic solvent, reveals that the incorporation of the tetradentate aryloxide ligand into the POV-alkoxide scaffold perturbs the electronic communication between the site-differentiated vanadium(III) ion and the cluster core. Collectively, our results provide insight into the physiochemical factors that are important during the O2 reduction reaction at oxygen-deficient sites in reduced POV-alkoxide clusters.
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Affiliation(s)
- Rachel L Meyer
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
| | - Pere Miró
- Department of Chemistry, University of South Dakota, Vermillion, South Dakota 57069, United States
| | - William W Brennessel
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
| | - Ellen M Matson
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
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16
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Yonesato K, Yamazoe S, Yokogawa D, Yamaguchi K, Suzuki K. A Molecular Hybrid of an Atomically Precise Silver Nanocluster and Polyoxometalates for H
2
Cleavage into Protons and Electrons. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202106786] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Kentaro Yonesato
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Seiji Yamazoe
- Department of Chemistry Graduate School of Science Tokyo Metropolitan University 1-1 Minami Osawa, Hachioji Tokyo 192-0397 Japan
- Precursory Research for Embryonic Science and Technology (PRESTO) Japan Science and Technology Agency (JST) 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan
| | - Daisuke Yokogawa
- Graduate School of Arts and Science The University of Tokyo 3-8-1 Komaba, Meguro-ku Tokyo 153-8902 Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Kosuke Suzuki
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
- Precursory Research for Embryonic Science and Technology (PRESTO) Japan Science and Technology Agency (JST) 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan
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17
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Yonesato K, Yamazoe S, Yokogawa D, Yamaguchi K, Suzuki K. A Molecular Hybrid of an Atomically Precise Silver Nanocluster and Polyoxometalates for H 2 Cleavage into Protons and Electrons. Angew Chem Int Ed Engl 2021; 60:16994-16998. [PMID: 34051034 DOI: 10.1002/anie.202106786] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Indexed: 12/13/2022]
Abstract
Atomically precise silver (Ag) nanoclusters are promising materials as catalysts, photocatalysts, and sensors because of their unique structures and mixed-valence states (Ag+ /Ag0 ). However, their low stability hinders the in-depth study of their intrinsic reactivity and catalytic property accompanying their redox processes. Herein, we demonstrate that a molecular hybrid of an atomically precise {Ag27 }17+ nanocluster and polyoxometalates (POMs) can efficiently cleave H2 into protons and electrons. The Ag nanocluster accommodates electrons through the redox reaction from {Ag27 }17+ to {Ag27 }13+ , and the POM ligands play the following important roles: (i) a significant stabilization of the typically unstable Ag nanocluster to preserve its structure during the redox reaction with H2 , (ii) formation of a unique interface between the Ag nanocluster and metal oxides for efficient H2 cleavage, and (iii) storage of the generated protons on the negatively charged basic surface.
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Affiliation(s)
- Kentaro Yonesato
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Seiji Yamazoe
- Department of Chemistry, Graduate School of Science, Tokyo Metropolitan University, 1-1 Minami Osawa, Hachioji, Tokyo, 192-0397, Japan.,Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan
| | - Daisuke Yokogawa
- Graduate School of Arts and Science, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, 153-8902, Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Kosuke Suzuki
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan.,Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan
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18
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Challenges in transfer of gas-liquid reactions from batch to continuous operation: dimensional analysis and simulations for aerobic oxidation. J Flow Chem 2021. [DOI: 10.1007/s41981-021-00176-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
AbstractThe transfer of gas-liquid reactions from conventional batch processes into continuous operation using milli and micro reactors is claimed as an important step towards process intensification. Importantly, this transfer step should be realized in an early phase of process development, already, in order to minimize research efforts towards the undesired operation strategy. The main challenge of this approach, therefore, arises from lack of knowledge in the early stage of process development and the resulting system with high degrees of freedom. This contribution presents an approach to tackle this challenge by means of mathematical modelling and simulation for the aerobic oxidation of 9,10-dihydroanthracene (DHA) catalyzed by polyoxometalates (POMs) being used as example for gas-liquid reactions. The reaction was chosen as it provides sufficient complexity, since it consists of three consecutive oxidation steps of DHA and a parallel catalytic redox-cycle according to a Mars-van-Krevelen mechanism. It also provides the challenge of unknown reaction kinetics, which have been estimated in this contribution. The dimensionless balance equations for reactor modeling are derived and parametrized based on early stage experimental results obtained in batch operation mode. The discrimination between batch and continuous operation was performed by means of characteristic dimensionless numbers using the identical mathematical model for comparability reasons. The model was used to perform sensitivity studies with emphasis on the interplay between mass transfer characteristics and reaction kinetics for both the batch and continuous operation mode. The simulation results show that the performance of both operation modes mainly depend on the oxidation state of the POM catalyst, which is caused by the differences in oxygen availability. Therefore, results obtained in batch operation mode are prone to be masked by mass transfer issues, which affects catalyst and reactor development at the same time and may thus cause maldevelopments. With respect to process development it can thus be concluded that the transfer from batch to continuous operation together with mathematical modeling is important in an early phase, already, in order to detect limitations misleading the development. Finally, even simple models with roughly estimated parameters from preliminary experiments are shown to be sufficient in the early phase and can systematically be improved, in the subsequent phases.
Graphical abstract
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19
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Tamura S, Shimoyama Y, Hong D, Kon Y. Selective aerobic oxidation of allyl phenyl ether to methyl ketone by palladium–polyoxometalate hybrid catalysts. MOLECULAR CATALYSIS 2020. [DOI: 10.1016/j.mcat.2020.111178] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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20
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Voß D, Dietrich R, Stuckart M, Albert J. Switchable Catalytic Polyoxometalate-Based Systems for Biomass Conversion to Carboxylic Acids. ACS OMEGA 2020; 5:19082-19091. [PMID: 32775910 PMCID: PMC7408192 DOI: 10.1021/acsomega.0c02430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Accepted: 07/02/2020] [Indexed: 06/11/2023]
Abstract
We present the Keggin-type polyoxometalate H6[PV3Mo9O40] as a switchable catalyst being able to catalyze the transformation of both glucose and glyceraldehyde to formic acid (42%) and lactic acid (40%), respectively, within 1 h reaction time by simply changing the reaction atmosphere at 160 °C from oxygen to nitrogen in one reactor setup. In detail, we report the influence of different gas atmospheres and reaction temperatures on various vanadium-containing catalysts in the selective transformation of several biogenic substrates to carboxylic acids with a special emphasis on reaction pathways and switchability of the catalyst systems. All investigations were carried out in parallel using either an oxygen or a nitrogen atmosphere of 20 bar performing time-resolved experiments between 0.25 and 5 h and a temperature variation from 160 to 200 °C. Furthermore, a catalyst and a substrate variation led to the reaction system consisting of glyceraldehyde and the Keggin-type polyoxometalates (POM) H6[PV3Mo9O40] as the best switchable reaction system under the applied conditions. This study shows interesting potential for using both Keggin-type and Lindqvist-type POMs as switchable catalysts for selective biomass conversion to platform chemicals.
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Affiliation(s)
- Dorothea Voß
- Lehrstuhl
für Chemische Reaktionstechnik, Friedrich-Alexander-Universität
Erlangen-Nürnberg, Egerlandstraße 3, 91058 Erlangen, Germany
| | - Regina Dietrich
- Institut
für Technische und Makromolekulare Chemie, Rheinisch-Westfälische Technische Hochschule Aachen, Worringerweg 2, 52074 Aachen, Germany
| | - Maria Stuckart
- Lehrstuhl
für Chemische Reaktionstechnik, Friedrich-Alexander-Universität
Erlangen-Nürnberg, Egerlandstraße 3, 91058 Erlangen, Germany
| | - Jakob Albert
- Lehrstuhl
für Chemische Reaktionstechnik, Friedrich-Alexander-Universität
Erlangen-Nürnberg, Egerlandstraße 3, 91058 Erlangen, Germany
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21
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Bhattacharya S, Ayass WW, Taffa DH, Nisar T, Balster T, Hartwig A, Wagner V, Wark M, Kortz U. Polyoxopalladate-Loaded Metal–Organic Framework (POP@MOF): Synthesis and Heterogeneous Catalysis. Inorg Chem 2020; 59:10512-10521. [DOI: 10.1021/acs.inorgchem.0c00875] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Saurav Bhattacharya
- Department of Life Sciences and Chemistry, Jacobs University, Campus Ring 1, 28759 Bremen, Germany
| | - Wassim W. Ayass
- Department of Life Sciences and Chemistry, Jacobs University, Campus Ring 1, 28759 Bremen, Germany
| | - Dereje H. Taffa
- Institute of Chemistry, Carl von Ossietzky University Oldenburg, 26129 Oldenburg, Germany
| | - Talha Nisar
- Department of Physics and Earth Sciences, Jacobs University, Campus Ring 1, 28759 Bremen, Germany
| | - Torsten Balster
- Department of Physics and Earth Sciences, Jacobs University, Campus Ring 1, 28759 Bremen, Germany
| | - Andreas Hartwig
- Fraunhofer Institute for Manufacturing Technology and Advanced Materials IFAM, Wiener Straße 12, 28359 Bremen, Germany
- University of Bremen, Department 2 Biology/Chemistry, Leobener Straße 3, 28359 Bremen, Germany
| | - Veit Wagner
- Department of Physics and Earth Sciences, Jacobs University, Campus Ring 1, 28759 Bremen, Germany
| | - Michael Wark
- Institute of Chemistry, Carl von Ossietzky University Oldenburg, 26129 Oldenburg, Germany
| | - Ulrich Kortz
- Department of Life Sciences and Chemistry, Jacobs University, Campus Ring 1, 28759 Bremen, Germany
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22
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Yonesato K, Ito H, Yokogawa D, Yamaguchi K, Suzuki K. An Ultrastable, Small {Ag
7
}
5+
Nanocluster within a Triangular Hollow Polyoxometalate Framework. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202008402] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Kentaro Yonesato
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Hiroyasu Ito
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Daisuke Yokogawa
- Graduate School of Arts and Science The University of Tokyo 3-8-1 Komaba, Meguro-ku Tokyo 153-8902 Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Kosuke Suzuki
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
- Precursory Research for Embryonic Science and Technology (PRESTO) Japan Science and Technology Agency (JST) 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan
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23
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Yonesato K, Ito H, Yokogawa D, Yamaguchi K, Suzuki K. An Ultrastable, Small {Ag
7
}
5+
Nanocluster within a Triangular Hollow Polyoxometalate Framework. Angew Chem Int Ed Engl 2020; 59:16361-16365. [DOI: 10.1002/anie.202008402] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Indexed: 12/12/2022]
Affiliation(s)
- Kentaro Yonesato
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Hiroyasu Ito
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Daisuke Yokogawa
- Graduate School of Arts and Science The University of Tokyo 3-8-1 Komaba, Meguro-ku Tokyo 153-8902 Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Kosuke Suzuki
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
- Precursory Research for Embryonic Science and Technology (PRESTO) Japan Science and Technology Agency (JST) 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan
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24
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Shimoyama Y, Tamura S, Kitagawa Y, Hong D, Kon Y. A cobalt-substituted Keggin-type polyoxometalate for catalysis of oxidative aromatic cracking reactions in water. Catal Sci Technol 2020. [DOI: 10.1039/d0cy01758b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Oxidative aromatic cracking reactions in water were achieved using a catalytic system with a cobalt-substituted Keggin-type polyoxometalate as a catalyst, an Oxone® as a sacrificial oxidant and sodium bicarbonate as an additive under mild conditions.
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Affiliation(s)
- Yoshihiro Shimoyama
- Interdisciplinary Research Center for Catalytic Chemistry
- National Institute of Advanced Industrial Science and Technology (AIST)
- Tsukuba
- Japan
| | - Satoru Tamura
- Institute for Energy and Material/Food Resources
- Technology Innovation Division
- Panasonic Corporation
- Kadoma City
- Japan
| | - Yasutaka Kitagawa
- Department of Materials Engineering Science
- Graduate School of Engineering Science
- Osaka University
- Toyonaka
- Japan
| | - Dachao Hong
- Interdisciplinary Research Center for Catalytic Chemistry
- National Institute of Advanced Industrial Science and Technology (AIST)
- Tsukuba
- Japan
- Global Zero Emission Research Center
| | - Yoshihiro Kon
- Interdisciplinary Research Center for Catalytic Chemistry
- National Institute of Advanced Industrial Science and Technology (AIST)
- Tsukuba
- Japan
- Global Zero Emission Research Center
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25
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Bukowski A, Schill L, Nielsen D, Mossin S, Riisager A, Albert J. NH3-SCR of NO with novel active, supported vanadium-containing Keggin-type heteropolyacid catalysts. REACT CHEM ENG 2020. [DOI: 10.1039/d0re00033g] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Supported vanadium-substituted Keggin polyoxometalates (POMs) were applied as catalysts for the selective catalytic reduction of NO using NH3 as reductant (NH3-SCR).
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Affiliation(s)
- Anna Bukowski
- Lehrstuhl für Chemische Reaktionstechnik
- Friedrich-Alexander-Universität Erlangen-Nürnberg
- 91058 Erlangen
- Germany
| | - Leonhard Schill
- Technical University of Denmark
- Department of Chemistry
- Centre for Catalysis and Sustainable Chemistry
- 2800 Kgs. Lyngby
- Denmark
| | - David Nielsen
- Technical University of Denmark
- Department of Chemistry
- Centre for Catalysis and Sustainable Chemistry
- 2800 Kgs. Lyngby
- Denmark
| | - Susanne Mossin
- Technical University of Denmark
- Department of Chemistry
- Centre for Catalysis and Sustainable Chemistry
- 2800 Kgs. Lyngby
- Denmark
| | - Anders Riisager
- Technical University of Denmark
- Department of Chemistry
- Centre for Catalysis and Sustainable Chemistry
- 2800 Kgs. Lyngby
- Denmark
| | - Jakob Albert
- Lehrstuhl für Chemische Reaktionstechnik
- Friedrich-Alexander-Universität Erlangen-Nürnberg
- 91058 Erlangen
- Germany
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26
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Shen N, Tian F, Chang J, Huang KL, Zhang ZH, Feng X, Gu J, Chen SC, He MY, Chen Q. An unprecedented cobalt( ii)-containing Wells–Dawson-type tungstovanadate-based metal–organic framework as an efficient catalyst for ring-opening polymerization of ε-caprolactone. CrystEngComm 2020. [DOI: 10.1039/d0ce00309c] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An unprecedented organic–inorganic hybrid material based on Wells–Dawson-type tungstovanadate building blocks and cobalt(ii)–organic framework with a bis(triazole) ligand was prepared and employed to catalyze solvent-free ROP of caprolactone.
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27
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Yonesato K, Ito H, Itakura H, Yokogawa D, Kikuchi T, Mizuno N, Yamaguchi K, Suzuki K. Controlled Assembly Synthesis of Atomically Precise Ultrastable Silver Nanoclusters with Polyoxometalates. J Am Chem Soc 2019; 141:19550-19554. [PMID: 31800238 DOI: 10.1021/jacs.9b10569] [Citation(s) in RCA: 95] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Silver nanoclusters have attracted scientific interest due to their properties and applications. However, practical synthetic methods to access these materials are still limited mainly due to the low stability. Here, we report a controlled assembly strategy for fabricating atomically precise silver nanoclusters using polyoxometalates (POMs) as structure-directing as well as functionalizing units. A trefoil-propeller-shaped {Ag27}17+ nanocluster was synthesized by assembling reactive nanoclusters supported by open-Dawson-type POMs [Si2W18O66]16-. The {Ag27}17+ nanocluster possessed 10 delocalized valence electrons and showed unprecedented ultrastability in solutions. The cluster showed unique {Ag27}-to-POM charge transfer bands in the visible light region.
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Affiliation(s)
- Kentaro Yonesato
- Department of Applied Chemistry, School of Engineering , The University of Tokyo , 7-3-1 Hongo , Bunkyo-ku, Tokyo 113-8656 , Japan
| | - Hiroyasu Ito
- Department of Applied Chemistry, School of Engineering , The University of Tokyo , 7-3-1 Hongo , Bunkyo-ku, Tokyo 113-8656 , Japan
| | - Hiroyuki Itakura
- Department of Applied Chemistry, School of Engineering , The University of Tokyo , 7-3-1 Hongo , Bunkyo-ku, Tokyo 113-8656 , Japan
| | - Daisuke Yokogawa
- Graduate School of Arts and Science , The University of Tokyo , 3-8-1 Komaba , Meguro-ku, Tokyo 153-8902 , Japan
| | - Takashi Kikuchi
- Rigaku Corporation , 3-9-12 Matsubaracho , Akishima, Tokyo 196-8666 , Japan
| | - Noritaka Mizuno
- Department of Applied Chemistry, School of Engineering , The University of Tokyo , 7-3-1 Hongo , Bunkyo-ku, Tokyo 113-8656 , Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry, School of Engineering , The University of Tokyo , 7-3-1 Hongo , Bunkyo-ku, Tokyo 113-8656 , Japan
| | - Kosuke Suzuki
- Department of Applied Chemistry, School of Engineering , The University of Tokyo , 7-3-1 Hongo , Bunkyo-ku, Tokyo 113-8656 , Japan.,Precursory Research for Embryonic Science and Technology (PRESTO) , Japan Science and Technology Agency (JST) , 4-1-8 Honcho , Kawaguchi, Saitama 332-0012 , Japan
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28
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Samaniyan M, Mirzaei M, Khajavian R, Eshtiagh-Hosseini H, Streb C. Heterogeneous Catalysis by Polyoxometalates in Metal–Organic Frameworks. ACS Catal 2019. [DOI: 10.1021/acscatal.9b03439] [Citation(s) in RCA: 152] [Impact Index Per Article: 30.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Maryam Samaniyan
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Masoud Mirzaei
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Ruhollah Khajavian
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | | | - Carsten Streb
- Institute of Inorganic Chemistry I, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany
- Helmholtz-Institute Ulm, Helmholtzstr. 11, 89081 Ulm, Germany
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29
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Schwarz B, Dürr M, Kastner K, Heber N, Ivanović-Burmazović I, Streb C. Solvent-Controlled Polymerization of Molecular Strontium Vanadate Monomers into 1D Strontium Vanadium Oxide Chains. Inorg Chem 2019; 58:11684-11688. [PMID: 31414798 DOI: 10.1021/acs.inorgchem.9b01665] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We report the polymerization of a solvent-stabilized molecular strontium vanadium oxide monomer into infinite 1D chains. Supramolecular polymerization is triggered by controlled solvent-exchange, which leads to oligomer and polymer formation. Mechanistic insights into the chain formation were obtained by solid-state, solution, and gas-phase studies. The study shows how reactivity control of molecular metal oxides can be used to assemble complex inorganic polymeric structures.
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Affiliation(s)
- Benjamin Schwarz
- Institute of Inorganic Chemistry I , Ulm University , Albert-Einstein-Allee 11 , 89081 Ulm , Germany
| | - Maximilian Dürr
- Chair of Bioinorganic Chemistry , Friedrich-Alexander-University Erlangen-Nuernberg , Egerlandstr. 1 , 91058 Erlangen , Germany
| | - Katharina Kastner
- Institute of Inorganic Chemistry I , Ulm University , Albert-Einstein-Allee 11 , 89081 Ulm , Germany
| | - Nora Heber
- Institute of Inorganic Chemistry I , Ulm University , Albert-Einstein-Allee 11 , 89081 Ulm , Germany
| | - Ivana Ivanović-Burmazović
- Chair of Bioinorganic Chemistry , Friedrich-Alexander-University Erlangen-Nuernberg , Egerlandstr. 1 , 91058 Erlangen , Germany
| | - Carsten Streb
- Institute of Inorganic Chemistry I , Ulm University , Albert-Einstein-Allee 11 , 89081 Ulm , Germany.,Helmholtz-Institute Ulm , Helmholtzstr. 11 , 89081 Ulm , Germany
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30
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Tao M, Li Y, Zhang X, Li Z, Hill CL, Wang X. A Polyoxometalate-Based Microfluidic Device for Liquid-Phase Oxidation of Glycerol. CHEMSUSCHEM 2019; 12:2550-2553. [PMID: 31056850 DOI: 10.1002/cssc.201901057] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 05/05/2019] [Indexed: 06/09/2023]
Abstract
Peroxidation of glycerol has been carried out in a polyoxometalate (POM)-based microfluidic reactor, which was fabricated on a capillary by using a layer-by-layer strategy. Lactic acid (LA) is produced selectively in high yield with a TOF as high as 20 000 h-1 , compared to a TOF of 200 h-1 in batch mode. This POM microfluidic reactor is readily prepared, scalable, highly stable, reusable, and also potentially applicable to selective oxidation of other bio-wastes.
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Affiliation(s)
- Meilin Tao
- Key Lab of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Changchun, 130024, P.R. China
- Department of Chemistry, Emory University, 1515 Dickey Dr., Atlanta, 30322, GA, USA
| | - Yiming Li
- Key Lab of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Changchun, 130024, P.R. China
| | - Xueyan Zhang
- Key Lab of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Changchun, 130024, P.R. China
| | - Zonghang Li
- Key Lab of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Changchun, 130024, P.R. China
| | - Craig L Hill
- Department of Chemistry, Emory University, 1515 Dickey Dr., Atlanta, 30322, GA, USA
| | - Xiaohong Wang
- Key Lab of Polyoxometalate Science of Ministry of Education, Northeast Normal University, Changchun, 130024, P.R. China
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31
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Krämer T, Tuna F, Pike SD. Photo-redox reactivity of titanium-oxo clusters: mechanistic insight into a two-electron intramolecular process, and structural characterisation of mixed-valent Ti(iii)/Ti(iv) products. Chem Sci 2019; 10:6886-6898. [PMID: 31391912 PMCID: PMC6640198 DOI: 10.1039/c9sc01241a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Accepted: 06/05/2019] [Indexed: 11/21/2022] Open
Abstract
The photo-reactivity of titanium-oxo clusters is investigated, revealing an intramolecular, solvent assisted, two-electron redox process that generates blue-coloured Ti(iii)/Ti(iv) clusters.
Small titanium-oxo-alkoxide clusters, [TiO(OR)(O2PR′2)]4, synthesised by the stoichiometric reaction of Ti(OiPr)4, phosphinic acid and water, undergo a photo-redox transformation under long-wave UV light. The photo-reaction generates blue coloured, mixed-valence Ti(iii)/Ti(iv)-oxo clusters alongside acetone and isopropanol by-products. This reactivity indicates the ability for photoactivated charge separation to occur in even the smallest of Ti-oxo clusters. EPR and NMR spectroscopic studies support a photo-redox mechanism that occurs via an intramolecular, two-electron pathway, directly relating to current doubling effects observed at TiO2 photoanodes in the presence of alcohols. The rate of photo-reaction is solvent dependent, with donor solvents supporting the formation of low coordinate Ti(iii) sites. The nature of the electronic transition is identified by DFT and TDDFT calculations as an oxygen to titanium charge transfer and it is possible to finetune the UV absorption onset observed by changing the phosphinate ligand. A two-electron photo-reduced cluster, [Ti4O4(O2PPh2)6], forms spontaneously from the photo-reaction and its structure is identified by X-ray crystallography with supporting DFT calculations. These indicate that [Ti4O4(O2PPh2)6] is high-spin and contains two ferromagnetically coupled electrons delocalised over the Ti4 core. [Ti4O4(O2PPh2)6] undergoes rapid oxidation in air in the solid-state and performs a remarkable single-crystal to single-crystal transformation, to form a stable cluster-superoxide salt.
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Affiliation(s)
- Tobias Krämer
- Department of Chemistry , Maynooth University , Maynooth , Co. Kildare , Ireland
| | - Floriana Tuna
- School of Chemistry and Photon Science Institute , University of Manchester , Oxford Road , Manchester , M13 9PL , UK
| | - Sebastian D Pike
- Department of Chemistry , University of Cambridge , Lensfield Road , CB2 1EW , UK .
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32
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Blanc A, de Frémont P. When Gold Cations Meet Polyoxometalates. Chemistry 2019; 25:9553-9567. [DOI: 10.1002/chem.201806369] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Indexed: 11/11/2022]
Affiliation(s)
- Aurélien Blanc
- Laboratoire de Synthèse, Réactivité Organique et Catalyse, Institut de Chimie (UMR 7177 CNRS)Université de Strasbourg 4 rue Blaise Pascal, CS 90032 67081 Strasbourg France
| | - Pierre de Frémont
- Equipe de Synthèse Réactivité et Catalyse Organométalliques, Institut de Chimie (UMR 7177 CNRS)Université de Strasbourg 4 rue Blaise Pascal, CS 90032 67081 Strasbourg France
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33
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Julian I, Hueso JL, Lara N, Solé-Daurá A, Poblet JM, Mitchell SG, Mallada R, Santamaría J. Polyoxometalates as alternative Mo precursors for methane dehydroaromatization on Mo/ZSM-5 and Mo/MCM-22 catalysts. Catal Sci Technol 2019. [DOI: 10.1039/c9cy01490j] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Catalytic stability and overall performance enhancement for the methane dehydroaromatization process using a combination of hexamolybdate species as Mo precursors and MCM-22 as catalysts support.
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Affiliation(s)
- Ignacio Julian
- Institute of Nanoscience of Aragon (INA) and Department of Chemical and Environmental Engineering
- University of Zaragoza
- 50018 Zaragoza
- Spain
- Institute of Materials Science of Aragon (ICMA)
| | - José L. Hueso
- Institute of Nanoscience of Aragon (INA) and Department of Chemical and Environmental Engineering
- University of Zaragoza
- 50018 Zaragoza
- Spain
- Institute of Materials Science of Aragon (ICMA)
| | - Nidya Lara
- Institute of Nanoscience of Aragon (INA) and Department of Chemical and Environmental Engineering
- University of Zaragoza
- 50018 Zaragoza
- Spain
| | - Albert Solé-Daurá
- Department of Química Física i Inorgànica
- Universitat Rovira I Virgili
- 43007 Tarragona
- Spain
| | - Josep M. Poblet
- Department of Química Física i Inorgànica
- Universitat Rovira I Virgili
- 43007 Tarragona
- Spain
| | - Scott G. Mitchell
- Institute of Materials Science of Aragon (ICMA)
- Consejo Superior de Investigaciones Científicas (CSIC) - University of Zaragoza
- 50009 Zaragoza
- Spain
- Networking Research Centre on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN)
| | - Reyes Mallada
- Institute of Nanoscience of Aragon (INA) and Department of Chemical and Environmental Engineering
- University of Zaragoza
- 50018 Zaragoza
- Spain
- Institute of Materials Science of Aragon (ICMA)
| | - Jesús Santamaría
- Institute of Nanoscience of Aragon (INA) and Department of Chemical and Environmental Engineering
- University of Zaragoza
- 50018 Zaragoza
- Spain
- Institute of Materials Science of Aragon (ICMA)
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34
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Mulkapuri S, Kurapati SK, Mukhopadhyay S, Das SK. A fully reduced {VIV18O42} host and VO43−, Cl− as guest anions: synthesis, characterization and proton conductivity. NEW J CHEM 2019. [DOI: 10.1039/c9nj01918a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Two polyoxovanadate compounds, [Na7(H2O)14][H8VIV18O42(VVO4)]·N2H4·7H2O and [Na5(H2O)16][H8VIV18O42(Cl)]·4N2H4·6H2O, each having fully reduced host cage and accommodating eight acidic protons per formula unit, exhibit moderate proton conductivity.
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Affiliation(s)
| | | | | | - Samar K. Das
- School of Chemistry
- University of Hyderabad
- Hyderabad – 500046
- India
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35
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Selective catalytic oxidation of aromatic substrates employing mononuclear copper(II) catalyst with H2O2. Polyhedron 2019. [DOI: 10.1016/j.poly.2018.11.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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36
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Lu J, He P, Niu J, Wang J. Polyoxometalate-supported metal carbonyl derivatives: from synthetic strategies to structural diversity and applications. Inorg Chem Front 2019. [DOI: 10.1039/c9qi00832b] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
This review aims to give an overview of the POM-supported metal carbonyl complexes obtained so far, focusing on their structural diversity and potential photochemical and catalytic properties.
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Affiliation(s)
- Jingkun Lu
- Henan Key Laboratory of Polyoxometalate Chemistry
- Institute of Molecular and Crystal Engineering
- College of Chemistry and Chemical Engineering
- Henan University
- Kaifeng
| | - Peipei He
- Henan Key Laboratory of Polyoxometalate Chemistry
- Institute of Molecular and Crystal Engineering
- College of Chemistry and Chemical Engineering
- Henan University
- Kaifeng
| | - Jingyang Niu
- Henan Key Laboratory of Polyoxometalate Chemistry
- Institute of Molecular and Crystal Engineering
- College of Chemistry and Chemical Engineering
- Henan University
- Kaifeng
| | - Jingping Wang
- Henan Key Laboratory of Polyoxometalate Chemistry
- Institute of Molecular and Crystal Engineering
- College of Chemistry and Chemical Engineering
- Henan University
- Kaifeng
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37
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Amanchi SR, Das SK. A Versatile Polyoxovanadate in Diverse Cation Matrices: A Supramolecular Perspective. Front Chem 2018; 6:469. [PMID: 30386767 PMCID: PMC6198037 DOI: 10.3389/fchem.2018.00469] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 09/18/2018] [Indexed: 11/13/2022] Open
Abstract
A series of decavanadate based compounds, formulated as [Co(H2O)6][{Na4(H2O)14}{V10O28}]·4H2O (1), [Zn(H2O)6][Na3(H2O)14] [HV10O28]·4H2O (2), [HMTAH]2 [{Zn(H2O)4}2{V10O28}]·2H2O (3), [{Co(3-amp)(H2O)5}]2 [3-ampH]2 [V10O28] · 6H2O (4), [4-ampH]10[{Na(H2O)6}{HV10O28}][V10O28]·15H2O (5), [{4-ampH}6 {Co(H2O)6}3][V10O28]2·14H2O (6), and [{4-ampH}10{Zn(H2O)6}][V10O28]2·10H2O (7), have been synthesized (where HMTAH = mono-protonated hexamethylenetetramine, 3-ampH = protonated 3-amino pyridine and 4-ampH= protonated 4-aminopyridine) from the relevant aqueous sodium-vanadate solution, by varying the pH of the solution and amino pyridine/hexamine derivatives as well as transition metal salts (Co(II)- and Zn(II)-salts). In this series of compounds 1-7, the polyoxovanadate (POV) cluster [V10O28]6- is the common cluster anion, stabilized by diverse cations. The diverse supramolecular patterns around the decavanadate cluster anion in different cationic matrices have been described to understand the microenvironment in the decavanadate-based minerals. All of these compounds have solvent water molecules in their respective crystal lattices. Since water can interact directly with cations and anions, providing an additional stability and structural diversity, we have analyzed supramolecular water structures in all these compounds to comprehend the role of the lattice water in the formation of natural decavanadate containing minerals. Compounds 1-7, that are isolated at an ambient condition from aqueous solution, are characterized by routine spectral analysis, elemental analyses and finally unambiguously by single crystal X-ray crystallography.
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Affiliation(s)
| | - Samar K Das
- School of Chemistry, University of Hyderabad, Central University, Hyderabad, India
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38
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Zeng M, Chen K, Tan J, Zhang J, Wei Y. A Supramolecular Catalyst Self-Assembled From Polyoxometalates and Cationic Pillar[5]arenes for the Room Temperature Oxidation of Aldehydes. Front Chem 2018; 6:457. [PMID: 30386765 PMCID: PMC6198131 DOI: 10.3389/fchem.2018.00457] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 09/13/2018] [Indexed: 11/17/2022] Open
Abstract
Oxidizing aldehydes to generate carboxylic acids is a crucial reaction in nature and in chemical industry. The aldehyde oxidation, an easily achieved process in liver cells, is inert toward autoxidation in industrial production and difficultly achieved under enzymatic condition (in water, at pH 7, at room temperature). Herein, we prepared a supramolecular catalyst which are nanospheres assembled in aqueous media by chromium centered Anderson polyoxometalates Na3[CrMo6O18(OH)3] (namely, CrMo6) and cationic pillar[5]arenes (namely, P5A) with 10 positive charges which can be used as the phase transfer catalysts (PTCs). This supramolecular catalyst was exploited on aldehydes oxidation under enzymatic condition with relatively good conversion. Through DLS monitoring, the diameters of nanospheres were variable while changing the charge ratios of the ionic complexes (P5A-CrMo6), and it is probably because of the closer charge ratios causing the more compact assemblies. Also, the nano-morphologies were monitored by TEM and SEM, and the nanostructures were characterized by zeta potential, the X-ray energy-dispersive spectroscopy (EDS), elemental analysis.
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Affiliation(s)
- Mengyan Zeng
- Key Lab of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing, China
| | - Kun Chen
- Key Lab of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing, China
| | - Junyan Tan
- Beijing National Lab for Molecular Sciences, Key Lab of Polymer Chemistry and Physics of Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing, China
| | - Jie Zhang
- Beijing National Lab for Molecular Sciences, Key Lab of Polymer Chemistry and Physics of Ministry of Education, College of Chemistry and Molecular Engineering, Peking University, Beijing, China
| | - Yongge Wei
- Key Lab of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing, China
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39
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Li T, Jin L, Zhang W, Miras HN, Song YF. Robust and Environmentally Benign Solid Acid Intercalation Catalysts for the Aminolysis of Epoxides. ChemCatChem 2018. [DOI: 10.1002/cctc.201801119] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Tengfei Li
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering State Key Laboratory of Chemical Resource Engineering; Beijing University of Chemical Technology; Beijing 100029 P. R. China
| | - Lin Jin
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering State Key Laboratory of Chemical Resource Engineering; Beijing University of Chemical Technology; Beijing 100029 P. R. China
| | - Wei Zhang
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering State Key Laboratory of Chemical Resource Engineering; Beijing University of Chemical Technology; Beijing 100029 P. R. China
| | | | - Yu-Fei Song
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering State Key Laboratory of Chemical Resource Engineering; Beijing University of Chemical Technology; Beijing 100029 P. R. China
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40
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Zhizhina EG, Rodikova YA, Podyacheva OY, Pai ZP. Regenerating Spent Solutions of Vanadium-containing Heteropoly Acids in the Presence of Additives. Z Anorg Allg Chem 2018. [DOI: 10.1002/zaac.201800215] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Elena G. Zhizhina
- Department of Fine Organic Synthesis and Renewable Energy Sources; Boreskov Institute of Catalysis SB RAS; pr. Akad. Lavrentieva 5 630090 Novosibirsk Russian Federation
| | - Yulia A. Rodikova
- Department of Fine Organic Synthesis and Renewable Energy Sources; Boreskov Institute of Catalysis SB RAS; pr. Akad. Lavrentieva 5 630090 Novosibirsk Russian Federation
| | - Olga Yu. Podyacheva
- Department of Heterogeneous Catalysis; Boreskov Institute of Catalysis SB RAS; pr. Akad. Lavrentieva 5 630090 Novosibirsk Russian Federation
| | - Zinaida P. Pai
- Department of Fine Organic Synthesis and Renewable Energy Sources; Boreskov Institute of Catalysis SB RAS; pr. Akad. Lavrentieva 5 630090 Novosibirsk Russian Federation
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41
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Grützner T, Ziegenbalg D, Güttel R. Process Intensification - An Unbroken Trend in Chemical Engineering. CHEM-ING-TECH 2018. [DOI: 10.1002/cite.201800032] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Thomas Grützner
- Universität Ulm; Institut für Chemieingenieurwesen; Albert-Einstein-Allee 11 89081 Ulm Germany
| | - Dirk Ziegenbalg
- Universität Ulm; Institut für Chemieingenieurwesen; Albert-Einstein-Allee 11 89081 Ulm Germany
| | - Robert Güttel
- Universität Ulm; Institut für Chemieingenieurwesen; Albert-Einstein-Allee 11 89081 Ulm Germany
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42
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Lechner M, Kastner K, Chan CJ, Güttel R, Streb C. Aerobic Oxidation Catalysis by a Molecular Barium Vanadium Oxide. Chemistry 2018; 24:4952-4956. [DOI: 10.1002/chem.201706046] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Indexed: 11/05/2022]
Affiliation(s)
- Manuel Lechner
- Institute of Inorganic Chemistry I; Ulm University; Albert-Einstein-Allee 11 89081 Ulm Germany
| | - Katharina Kastner
- Institute of Inorganic Chemistry I; Ulm University; Albert-Einstein-Allee 11 89081 Ulm Germany
| | - Chee Jian Chan
- Institute of Chemical Engineering; Ulm University; Albert-Einstein-Allee 11 89081 Ulm Germany
| | - Robert Güttel
- Institute of Chemical Engineering; Ulm University; Albert-Einstein-Allee 11 89081 Ulm Germany
| | - Carsten Streb
- Institute of Inorganic Chemistry I; Ulm University; Albert-Einstein-Allee 11 89081 Ulm Germany
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43
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Paille G, Gomez-Mingot M, Roch-Marchal C, Lassalle-Kaiser B, Mialane P, Fontecave M, Mellot-Draznieks C, Dolbecq A. A Fully Noble Metal-Free Photosystem Based on Cobalt-Polyoxometalates Immobilized in a Porphyrinic Metal-Organic Framework for Water Oxidation. J Am Chem Soc 2018; 140:3613-3618. [PMID: 29393639 DOI: 10.1021/jacs.7b11788] [Citation(s) in RCA: 166] [Impact Index Per Article: 27.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The sandwich-type polyoxometalate (POM) [(PW9O34)2Co4(H2O)2]10- was immobilized in the hexagonal channels of the Zr(IV) porphyrinic MOF-545 hybrid framework. The resulting composite was fully characterized by a panel of physicochemical techniques. Calculations allowed identifying the localization of the POM in the vicinity of the Zr6 clusters and porphyrin linkers constituting the MOF. The material exhibits a high photocatalytic activity and good stability for visible-light-driven water oxidation. It thus represents a rare example of an all-in-one fully noble metal-free supramolecular heterogeneous photocatalytic system, with the catalyst and the photosensitizer within the same porous solid material.
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Affiliation(s)
- Grégoire Paille
- Institut Lavoisier de Versailles, UMR CNRS 8180, Université de Versailles Saint-Quentin en Yvelines, Université Paris-Saclay , 45 Avenue des Etats-Unis , Versailles 78035 Cedex , France.,Laboratoire de Chimie des Processus Biologiques, UMR CNRS 8229, Collège de France, Université Pierre et Marie Curie, PSL Research University , 11 Place Marcelin Berthelot , Paris 75231 Cedex 05 , France
| | - Maria Gomez-Mingot
- Laboratoire de Chimie des Processus Biologiques, UMR CNRS 8229, Collège de France, Université Pierre et Marie Curie, PSL Research University , 11 Place Marcelin Berthelot , Paris 75231 Cedex 05 , France
| | - Catherine Roch-Marchal
- Institut Lavoisier de Versailles, UMR CNRS 8180, Université de Versailles Saint-Quentin en Yvelines, Université Paris-Saclay , 45 Avenue des Etats-Unis , Versailles 78035 Cedex , France
| | | | - Pierre Mialane
- Institut Lavoisier de Versailles, UMR CNRS 8180, Université de Versailles Saint-Quentin en Yvelines, Université Paris-Saclay , 45 Avenue des Etats-Unis , Versailles 78035 Cedex , France
| | - Marc Fontecave
- Laboratoire de Chimie des Processus Biologiques, UMR CNRS 8229, Collège de France, Université Pierre et Marie Curie, PSL Research University , 11 Place Marcelin Berthelot , Paris 75231 Cedex 05 , France
| | - Caroline Mellot-Draznieks
- Laboratoire de Chimie des Processus Biologiques, UMR CNRS 8229, Collège de France, Université Pierre et Marie Curie, PSL Research University , 11 Place Marcelin Berthelot , Paris 75231 Cedex 05 , France
| | - Anne Dolbecq
- Institut Lavoisier de Versailles, UMR CNRS 8180, Université de Versailles Saint-Quentin en Yvelines, Université Paris-Saclay , 45 Avenue des Etats-Unis , Versailles 78035 Cedex , France
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44
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Chen X, Zhou Y, Roy VAL, Han ST. Evolutionary Metal Oxide Clusters for Novel Applications: Toward High-Density Data Storage in Nonvolatile Memories. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30. [PMID: 29058796 DOI: 10.1002/adma.201703950] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2017] [Revised: 08/31/2017] [Indexed: 05/03/2023]
Abstract
Because of current fabrication limitations, miniaturizing nonvolatile memory devices for managing the explosive increase in big data is challenging. Molecular memories constitute a promising candidate for next-generation memories because their properties can be readily modulated through chemical synthesis. Moreover, these memories can be fabricated through mild solution processing, which can be easily scaled up. Among the various materials, polyoxometalate (POM) molecules have attracted considerable attention for use as novel data-storage nodes for nonvolatile memories. Here, an overview of recent advances in the development of POMs for nonvolatile memories is presented. The general background knowledge of the structure and property diversity of POMs is also summarized. Finally, the challenges and perspectives in the application of POMs in memories are discussed.
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Affiliation(s)
- Xiaoli Chen
- College of Electronic Science and Technology, Shenzhen University, Shenzhen, 518060, P. R. China
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Ye Zhou
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, P. R. China
| | - Vellaisamy A L Roy
- Department of Physics and Materials Science, City University of Hong Kong, Hong Kong SAR, 999077, P. R. China
| | - Su-Ting Han
- College of Electronic Science and Technology, Shenzhen University, Shenzhen, 518060, P. R. China
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Li C, Suzuki K, Mizuno N, Yamaguchi K. Polyoxometalate LUMO engineering: a strategy for visible-light-responsive aerobic oxygenation photocatalysts. Chem Commun (Camb) 2018; 54:7127-7130. [DOI: 10.1039/c8cc03519a] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
We report efficient visible-light-responsive oxygenation photocatalysis via the strategy of LUMO engineering of polyoxometalates.
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Affiliation(s)
- Chifeng Li
- Department of Applied Chemistry
- School of Engineering
- The University of Tokyo
- Bunkyo-ku
- Japan
| | - Kosuke Suzuki
- Department of Applied Chemistry
- School of Engineering
- The University of Tokyo
- Bunkyo-ku
- Japan
| | - Noritaka Mizuno
- Department of Applied Chemistry
- School of Engineering
- The University of Tokyo
- Bunkyo-ku
- Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry
- School of Engineering
- The University of Tokyo
- Bunkyo-ku
- Japan
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46
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Yan S, Li Y, Li P, Jia T, Wang S, Wang X. Fabrication of mesoporous POMs/SiO2nanofibers through electrospinning for oxidative conversion of biomass by H2O2and oxygen. RSC Adv 2018; 8:3499-3511. [PMID: 35542953 PMCID: PMC9077668 DOI: 10.1039/c7ra12842h] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Accepted: 01/02/2018] [Indexed: 11/21/2022] Open
Abstract
The oxidation process for mesoporous H5PMo10V2O40/SiO2nanofiber catalyst.
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Affiliation(s)
- Siqi Yan
- Key Lab of Polyoxometalate Science of Ministry of Education
- Faculty of Chemistry
- Northeast Normal University
- Changchun 130024
- P. R. China
| | - Yue Li
- Key Lab of Polyoxometalate Science of Ministry of Education
- Faculty of Chemistry
- Northeast Normal University
- Changchun 130024
- P. R. China
| | - Peili Li
- Key Lab of Polyoxometalate Science of Ministry of Education
- Faculty of Chemistry
- Northeast Normal University
- Changchun 130024
- P. R. China
| | - Ting Jia
- Key Lab of Polyoxometalate Science of Ministry of Education
- Faculty of Chemistry
- Northeast Normal University
- Changchun 130024
- P. R. China
| | - Shengtian Wang
- Key Lab of Polyoxometalate Science of Ministry of Education
- Faculty of Chemistry
- Northeast Normal University
- Changchun 130024
- P. R. China
| | - Xiaohong Wang
- Key Lab of Polyoxometalate Science of Ministry of Education
- Faculty of Chemistry
- Northeast Normal University
- Changchun 130024
- P. R. China
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47
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Cameron JM, Fujimoto S, Wei RJ, Newton GN, Oshio H. Post-functionalization of a photoactive hybrid polyoxotungstate. Dalton Trans 2018; 47:10590-10594. [DOI: 10.1039/c8dt01253a] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A new approach to the development of photoactive hybrid polyoxometalates is reported, combining inorganic and organic functionalisation strategies.
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Affiliation(s)
- Jamie M. Cameron
- Graduate School of Pure and Applied Sciences
- University of Tsukuba
- Tsukuba
- Japan
- GSK Carbon Neutral Laboratories for Sustainable Chemistry
| | - Satomi Fujimoto
- Graduate School of Pure and Applied Sciences
- University of Tsukuba
- Tsukuba
- Japan
| | - Rong-Jia Wei
- Graduate School of Pure and Applied Sciences
- University of Tsukuba
- Tsukuba
- Japan
| | - Graham N. Newton
- GSK Carbon Neutral Laboratories for Sustainable Chemistry
- University of Nottingham
- UK
- School of Chemistry
- University of Nottingham
| | - Hiroki Oshio
- Graduate School of Pure and Applied Sciences
- University of Tsukuba
- Tsukuba
- Japan
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48
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Veith H, Voges M, Held C, Albert J. Measuring and Predicting the Extraction Behavior of Biogenic Formic Acid in Biphasic Aqueous/Organic Reaction Mixtures. ACS OMEGA 2017; 2:8982-8989. [PMID: 31457422 PMCID: PMC6645654 DOI: 10.1021/acsomega.7b01588] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Accepted: 11/28/2017] [Indexed: 06/10/2023]
Abstract
The distribution coefficients and selectivities required for extraction purposes were predicted with a thermodynamic equation of state for the ternary system formic acid/water/extraction solvent. These predictions were validated with experimental data from the literature and experimental data from the oxidation of biomass to formic acid process measured in this work. Extraction solvents discussed in this work are 1-butanol, 1-pentanol, 1-hexanol, 1-heptanol, 1-octanol, 1-decanol, ethyl n-butyl ether, diisopropyl ether, di-n-butyl ether, benzyl formate, and heptyl formate. The considered temperature ranged from 273 to 363 K under atmospheric pressure. Perturbed-chain statistical associating fluid theory (PC-SAFT) was used for prediction purposes applying an approach as simple as possible and as complex as necessary to achieve trustworthy data for selecting the best extraction solvent. Using PC-SAFT allowed identifying 1-hexanol as the most promising solvent out of the 11 extraction agents. The predicted data were in good agreement with the experimental distribution coefficients and the selectivities, which are very sensitive to experimental uncertainties.
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Affiliation(s)
- Heiner Veith
- Laboratory
of Thermodynamics, Technische Universität
Dortmund, Emil-Figge-Str. 70, 44227 Dortmund, Germany
| | - Matthias Voges
- Laboratory
of Thermodynamics, Technische Universität
Dortmund, Emil-Figge-Str. 70, 44227 Dortmund, Germany
| | - Christoph Held
- Laboratory
of Thermodynamics, Technische Universität
Dortmund, Emil-Figge-Str. 70, 44227 Dortmund, Germany
| | - Jakob Albert
- Lehrstuhl
für Chemische Reaktionstechnik der Universität Erlangen-Nürnberg, Egerlandstrasse 3, 91058 Erlangen, Germany
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49
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Weinstock IA, Schreiber RE, Neumann R. Dioxygen in Polyoxometalate Mediated Reactions. Chem Rev 2017; 118:2680-2717. [DOI: 10.1021/acs.chemrev.7b00444] [Citation(s) in RCA: 196] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ira A. Weinstock
- Department of Chemistry, Ben-Gurion University of the Negev, Beer Sheva 84105, Israel
| | - Roy E. Schreiber
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot 76100, Israel
| | - Ronny Neumann
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot 76100, Israel
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50
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Li T, Zhang W, Chen W, Miras HN, Song YF. Modular Polyoxometalate-Layered Double Hydroxides as Efficient Heterogeneous Sulfoxidation and Epoxidation Catalysts. ChemCatChem 2017. [DOI: 10.1002/cctc.201701056] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Tengfei Li
- State Key Laboratory of Chemical Resource Engineering; Beijing University of Chemical Technology; Beijing 100029 P.R. China
| | - Wei Zhang
- State Key Laboratory of Chemical Resource Engineering; Beijing University of Chemical Technology; Beijing 100029 P.R. China
| | - Wei Chen
- State Key Laboratory of Chemical Resource Engineering; Beijing University of Chemical Technology; Beijing 100029 P.R. China
| | | | - Yu-Fei Song
- State Key Laboratory of Chemical Resource Engineering; Beijing University of Chemical Technology; Beijing 100029 P.R. China
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering; Beijing University of Chemical Technology; Beijing P.R. China
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