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Broge NLN, Bertelsen AD, Nielsen IG, Kløve M, Roelsgaard M, Dippel AC, Jørgensen MRV, Iversen BB. Exploration of anion effects in solvothermal synthesis using in situ X-ray diffraction. Phys Chem Chem Phys 2024; 26:12121-12132. [PMID: 38587495 DOI: 10.1039/d4cp00541d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
Solvothermal synthesis presents a facile and highly flexible approach to chemical processing and it is widely used for preparation of micro- and nanosized inorganic materials. The large number of synthesis parameters in combination with the richness of inorganic chemistry means that it is difficult to predict or design synthesis outcomes, and it is demanding to uncover the effect of different parameters due to the sealed and complex nature of solvothermal reactors along with the time demands related to reactor cleaning, sample purification, and characterization. This study explores the effect on formation of crystalline products of six common anions in solvothermal treatment of aqueous and ethanolic precursors. Three different cations are included in the study (Mn2+, Co2+, Cu2+) representing chemical affinities towards different regions of the periodic table with respect to the hard soft acid base (HSAB) classification and the Goldschmidt classification. They additionally belong to the commonly used 3d transition metals and display a suitable variety in solvothermal chemistry to highlight anion effects. The results of the solvothermal in situ experiments demonstrate a clear effect of the precursor anions, with respect to whether crystallization occurs or not and the characteristics of the formed phases. Additionally, some of the anions are shown to be redox active and to influence the formation temperature of certain phases which in turn relates to the observed average crystallite sizes.
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Affiliation(s)
- Nils Lau Nyborg Broge
- Center for Integrated Materials Research, Department of Chemistry and iNANO, Aarhus University, DK-8000 Aarhus C, Denmark.
| | - Andreas Dueholm Bertelsen
- Center for Integrated Materials Research, Department of Chemistry and iNANO, Aarhus University, DK-8000 Aarhus C, Denmark.
| | | | - Magnus Kløve
- Center for Integrated Materials Research, Department of Chemistry and iNANO, Aarhus University, DK-8000 Aarhus C, Denmark.
| | - Martin Roelsgaard
- Center for Integrated Materials Research, Department of Chemistry and iNANO, Aarhus University, DK-8000 Aarhus C, Denmark.
| | - Ann-Christin Dippel
- Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany
| | - Mads Ry Vogel Jørgensen
- Center for Integrated Materials Research, Department of Chemistry and iNANO, Aarhus University, DK-8000 Aarhus C, Denmark.
- MAX IV Laboratory, Lund University, 224 84 Lund, Sweden
| | - Bo Brummerstedt Iversen
- Center for Integrated Materials Research, Department of Chemistry and iNANO, Aarhus University, DK-8000 Aarhus C, Denmark.
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3
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Quinson J, Aalling-Frederiksen O, Dacayan WL, Bjerregaard JD, Jensen KD, Jørgensen MRV, Kantor I, Sørensen DR, Theil Kuhn L, Johnson MS, Escudero-Escribano M, Simonsen SB, Jensen KMØ. Surfactant-Free Colloidal Syntheses of Gold-Based Nanomaterials in Alkaline Water and Mono-alcohol Mixtures. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2023; 35:2173-2190. [PMID: 36936178 PMCID: PMC10018736 DOI: 10.1021/acs.chemmater.3c00090] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 02/10/2023] [Indexed: 06/18/2023]
Abstract
Gold nanoparticles (Au NPs) and gold-based nanomaterials combine unique properties relevant for medicine, imaging, optics, sensing, catalysis, and energy conversion. While the Turkevich-Frens and Brust-Schiffrin methods remain the state-of-the-art colloidal syntheses of Au NPs, there is a need for more sustainable and tractable synthetic strategies leading to new model systems. In particular, stabilizers are almost systematically used in colloidal syntheses, but they can be detrimental for fundamental and applied studies. Here, a surfactant-free synthesis of size-controlled colloidal Au NPs stable for months is achieved by the simple reduction of HAuCl4 at room temperature in alkaline solutions of low-viscosity mono-alcohols such as ethanol or methanol and water, without the need for any other additives. Palladium (Pd) and bimetallic Au x Pd y NPs, nanocomposites and multimetallic samples, are also obtained and are readily active (electro)catalysts. The multiple benefits over the state-of-the-art syntheses that this simple synthesis bears for fundamental and applied research are highlighted.
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Affiliation(s)
- Jonathan Quinson
- Department
of Chemistry, Copenhagen University, Universitetsparken 5, DK-2100 Copenhagen Ø, Denmark
- Biochemical
and Chemical Engineering Department, Aarhus
University, Åbogade 40, DK-8200 Aarhus, Denmark
| | | | - Waynah L. Dacayan
- Department
of Energy Conversion and Storage, Technical
University of Denmark, Fysikvej Building 310, DK-2800 Kgs. Lyngby, Denmark
| | - Joachim D. Bjerregaard
- Department
of Chemistry, Copenhagen University, Universitetsparken 5, DK-2100 Copenhagen Ø, Denmark
| | - Kim D. Jensen
- Department
of Chemistry, Copenhagen University, Universitetsparken 5, DK-2100 Copenhagen Ø, Denmark
| | - Mads R. V. Jørgensen
- Department
of Chemistry and iNANO, Aarhus University, Langelandsgade 140, DK-8000 Aarhus C, Denmark
- MAX
IV Laboratory, Lund University, Fotongatan 2, SE-224 84 Lund, Sweden
| | - Innokenty Kantor
- MAX
IV Laboratory, Lund University, Fotongatan 2, SE-224 84 Lund, Sweden
- Department
of Physics, The Technical University of
Denmark, Fysikvej Building
311, DK-2800 Kgs.
Lyngby, Denmark
| | - Daniel R. Sørensen
- Department
of Chemistry and iNANO, Aarhus University, Langelandsgade 140, DK-8000 Aarhus C, Denmark
- MAX
IV Laboratory, Lund University, Fotongatan 2, SE-224 84 Lund, Sweden
| | - Luise Theil Kuhn
- Department
of Energy Conversion and Storage, Technical
University of Denmark, Fysikvej Building 310, DK-2800 Kgs. Lyngby, Denmark
| | - Matthew S. Johnson
- Department
of Chemistry, Copenhagen University, Universitetsparken 5, DK-2100 Copenhagen Ø, Denmark
| | - María Escudero-Escribano
- Department
of Chemistry, Copenhagen University, Universitetsparken 5, DK-2100 Copenhagen Ø, Denmark
- Catalan
Institute of Nanoscience and Nanotechnology (ICN2), CSIC and BIST, UAB Campus, Bellaterra, 08193 Barcelona, Spain
- ICREA, Passeig de Lluís Companys,
23, 08010 Barcelona, Spain
| | - Søren B. Simonsen
- Department
of Energy Conversion and Storage, Technical
University of Denmark, Fysikvej Building 310, DK-2800 Kgs. Lyngby, Denmark
| | - Kirsten M. Ø. Jensen
- Department
of Chemistry, Copenhagen University, Universitetsparken 5, DK-2100 Copenhagen Ø, Denmark
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4
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Mathiesen JK, Quinson J, Blaseio S, Kjær ETS, Dworzak A, Cooper SR, Pedersen JK, Wang B, Bizzotto F, Schröder J, Kinnibrugh TL, Simonsen SB, Theil Kuhn L, Kirkensgaard JJK, Rossmeisl J, Oezaslan M, Arenz M, Jensen KMØ. Chemical Insights into the Formation of Colloidal Iridium Nanoparticles from In Situ X-ray Total Scattering: Influence of Precursors and Cations on the Reaction Pathway. J Am Chem Soc 2023; 145:1769-1782. [PMID: 36631996 DOI: 10.1021/jacs.2c10814] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Iridium nanoparticles are important catalysts for several chemical and energy conversion reactions. Studies of iridium nanoparticles have also been a key for the development of kinetic models of nanomaterial formation. However, compared to other metals such as gold or platinum, knowledge on the nature of prenucleation species and structural insights into the resultant nanoparticles are missing, especially for nanoparticles obtained from IrxCly precursors investigated here. We use in situ X-ray total scattering (TS) experiments with pair distribution function (PDF) analysis to study a simple, surfactant-free synthesis of colloidal iridium nanoparticles. The reaction is performed in methanol at 50 °C with only a base and an iridium salt as precursor. From different precursor salts─IrCl3, IrCl4, H2IrCl6, or Na2IrCl6─colloidal nanoparticles as small as Ir∼55 are obtained as the final product. The nanoparticles do not show the bulk iridium face-centered cubic (fcc) structure but show decahedral and icosahedral structures. The formation route is highly dependent on the precursor salt used. Using IrCl3 or IrCl4, metallic iridium nanoparticles form rapidly from IrxClyn- complexes, whereas using H2IrCl6 or Na2IrCl6, the iridium nanoparticle formation follows a sudden growth after an induction period and the brief appearance of a crystalline phase. With H2IrCl6, the formation of different Irn (n = 55, 55, 85, and 116) nanoparticles depends on the nature of the cation in the base (LiOH, NaOH, KOH, or CsOH, respectively) and larger particles are obtained with larger cations. As the particles grow, the nanoparticle structure changes from partly icosahedral to decahedral. The results show that the synthesis of iridium nanoparticles from IrxCly is a valuable iridium nanoparticle model system, which can provide new compositional and structural insights into iridium nanoparticle formation and growth.
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Affiliation(s)
- Jette K Mathiesen
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100Copenhagen Ø, Denmark.,Department of Physics, Technical University of Denmark, Fysikvej Bldg. 312, 2800Kgs. Lyngby, Denmark
| | - Jonathan Quinson
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100Copenhagen Ø, Denmark.,Department of Biochemical and Chemical Engineering, Aarhus University, Åbogade 40, 8200Aarhus N, Denmark
| | - Sonja Blaseio
- Institute of Technical Chemistry, Technische Universität Braunschweig, Franz-Liszt Str. 35a, 38106Braunschweig, Germany
| | - Emil T S Kjær
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100Copenhagen Ø, Denmark
| | - Alexandra Dworzak
- Institute of Technical Chemistry, Technische Universität Braunschweig, Franz-Liszt Str. 35a, 38106Braunschweig, Germany
| | - Susan R Cooper
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100Copenhagen Ø, Denmark
| | - Jack K Pedersen
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100Copenhagen Ø, Denmark
| | - Baiyu Wang
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100Copenhagen Ø, Denmark
| | - Francesco Bizzotto
- Department of Chemistry, Biochemistry, and Pharmaceutical Sciences, University of Bern, Freiestrasse 3, CH-3012Bern, Switzerland
| | - Johanna Schröder
- Department of Chemistry, Biochemistry, and Pharmaceutical Sciences, University of Bern, Freiestrasse 3, CH-3012Bern, Switzerland
| | - Tiffany L Kinnibrugh
- X-ray Science Division, Advanced Photon Source, Argonne National Laboratory, 9700 S. Cass Avenue, Lemont, Illinois60439, United States
| | - Søren B Simonsen
- Department of Energy Conversion and Storage, Technical University of Denmark, Fysikvej Bldg. 310, 2800Kgs. Lyngby, Denmark
| | - Luise Theil Kuhn
- Department of Energy Conversion and Storage, Technical University of Denmark, Fysikvej Bldg. 310, 2800Kgs. Lyngby, Denmark
| | - Jacob J K Kirkensgaard
- Department of Food Science, University of Copenhagen, Rolighedsvej 26, 1958Frederiksberg C, Denmark.,Niels-Bohr-Institute, University of Copenhagen, Universitetsparken 5, 2100Copenhagen Ø, Denmark
| | - Jan Rossmeisl
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100Copenhagen Ø, Denmark
| | - Mehtap Oezaslan
- Institute of Technical Chemistry, Technische Universität Braunschweig, Franz-Liszt Str. 35a, 38106Braunschweig, Germany
| | - Matthias Arenz
- Department of Chemistry, Biochemistry, and Pharmaceutical Sciences, University of Bern, Freiestrasse 3, CH-3012Bern, Switzerland
| | - Kirsten M Ø Jensen
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100Copenhagen Ø, Denmark
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5
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Quinson J. Osmium and OsO x nanoparticles: an overview of syntheses and applications. OPEN RESEARCH EUROPE 2022; 2:39. [PMID: 37645302 PMCID: PMC10446100 DOI: 10.12688/openreseurope.14595.2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 07/26/2022] [Indexed: 08/31/2023]
Abstract
Precious metal nanoparticles are key for a range of applications ranging from catalysis and sensing to medicine. While gold (Au), silver (Ag), platinum (Pt), palladium (Pd) or ruthenium (Ru) nanoparticles have been widely studied, other precious metals are less investigated. Osmium (Os) is one of the least studied of the precious metals. However, Os nanoparticles are interesting materials since they present unique features compared to other precious metals and Os nanomaterials have been reported to be useful for a range of applications, catalysis or sensing for instance. With the increasing availability of advanced characterization techniques, investigating the properties of relatively small Os nanoparticles and clusters has become easier and it can be expected that our knowledge on Os nanomaterials will increase in the coming years. This review aims to give an overview on Os and Os oxide materials syntheses and applications.
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Affiliation(s)
- Jonathan Quinson
- Chemistry, University of Copenhagen, Copenhagen, Denmark
- Biochemical and Chemical Engineering, Aarhus University, Aarhus, Denmark
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