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Islam MS, Banik S, Collinson MM. Recent Advances in Bimetallic Nanoporous Gold Electrodes for Electrochemical Sensing. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2515. [PMID: 37764545 PMCID: PMC10535497 DOI: 10.3390/nano13182515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 08/22/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023]
Abstract
Bimetallic nanocomposites and nanoparticles have received tremendous interest recently because they often exhibit better properties than single-component materials. Improved electron transfer rates and the synergistic interactions between individual metals are two of the most beneficial attributes of these materials. In this review, we focus on bimetallic nanoporous gold (NPG) because of its importance in the field of electrochemical sensing coupled with the ease with which it can be made. NPG is a particularly important scaffold because of its unique properties, including biofouling resistance and ease of modification. In this review, several different methods to synthesize NPG, along with varying modification approaches are described. These include the use of ternary alloys, immersion-reduction (chemical, electrochemical, hybrid), co-electrodeposition-annealing, and under-potential deposition coupled with surface-limited redox replacement of NPG with different metal nanoparticles (e.g., Pt, Cu, Pd, Ni, Co, Fe, etc.). The review also describes the importance of fully characterizing these bimetallic nanocomposites and critically analyzing their structure, surface morphology, surface composition, and application in electrochemical sensing of chemical and biochemical species. The authors attempt to highlight the most recent and advanced techniques for designing non-enzymatic bimetallic electrochemical nanosensors. The review opens up a window for readers to obtain detailed knowledge about the formation and structure of bimetallic electrodes and their applications in electrochemical sensing.
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Affiliation(s)
| | | | - Maryanne M. Collinson
- Department of Chemistry, Virginia Commonwealth University, Richmond, VA 23284-2006, USA; (M.S.I.); (S.B.)
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Tuleushova N, Amanova A, Abdellah I, Benoit M, Remita H, Cornu D, Holade Y, Tingry S. Radiolysis-Assisted Direct Growth of Gold-Based Electrocatalysts for Glycerol Oxidation. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13111713. [PMID: 37299616 DOI: 10.3390/nano13111713] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 05/17/2023] [Accepted: 05/18/2023] [Indexed: 06/12/2023]
Abstract
The electrocatalytic oxidation of glycerol by metal electrocatalysts is an effective method of low-energy-input hydrogen production in membrane reactors in alkaline conditions. The aim of the present study is to examine the proof of concept for the gamma-radiolysis-assisted direct growth of monometallic gold and bimetallic gold-silver nanostructured particles. We revised the gamma radiolysis procedure to generate free-standing Au and Au-Ag nano- and micro-structured particles onto a gas diffusion electrode by the immersion of the substrate in the reaction mixture. The metal particles were synthesized by radiolysis on a flat carbon paper in the presence of capping agents. We have integrated different methods (SEM, EDX, XPS, XRD, ICP-OES, CV, and EIS) to examine in detail the as-synthesized materials and interrogate their electrocatalytic efficiency for glycerol oxidation under baseline conditions to establish a structure-performance relationship. The developed strategy can be easily extended to the synthesis by radiolysis of other types of ready-to-use metal electrocatalysts as advanced electrode materials for heterogeneous catalysis.
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Affiliation(s)
- Nazym Tuleushova
- Institut Européen des Membranes, IEM UMR 5635, University Montpellier, ENSCM, CNRS, 34090 Montpellier, France
| | - Aisara Amanova
- Institut de Chimie Physique, UMR 8000-CNRS, Université Paris-Saclay, 91405 Orsay Cedex, France
| | - Ibrahim Abdellah
- Institut de Chimie Physique, UMR 8000-CNRS, Université Paris-Saclay, 91405 Orsay Cedex, France
| | - Mireille Benoit
- Institut de Chimie Physique, UMR 8000-CNRS, Université Paris-Saclay, 91405 Orsay Cedex, France
| | - Hynd Remita
- Institut de Chimie Physique, UMR 8000-CNRS, Université Paris-Saclay, 91405 Orsay Cedex, France
| | - David Cornu
- Institut Européen des Membranes, IEM UMR 5635, University Montpellier, ENSCM, CNRS, 34090 Montpellier, France
| | - Yaovi Holade
- Institut Européen des Membranes, IEM UMR 5635, University Montpellier, ENSCM, CNRS, 34090 Montpellier, France
| | - Sophie Tingry
- Institut Européen des Membranes, IEM UMR 5635, University Montpellier, ENSCM, CNRS, 34090 Montpellier, France
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Wittstock G, Bäumer M, Dononelli W, Klüner T, Lührs L, Mahr C, Moskaleva LV, Oezaslan M, Risse T, Rosenauer A, Staubitz A, Weissmüller J, Wittstock A. Nanoporous Gold: From Structure Evolution to Functional Properties in Catalysis and Electrochemistry. Chem Rev 2023; 123:6716-6792. [PMID: 37133401 DOI: 10.1021/acs.chemrev.2c00751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Nanoporous gold (NPG) is characterized by a bicontinuous network of nanometer-sized metallic struts and interconnected pores formed spontaneously by oxidative dissolution of the less noble element from gold alloys. The resulting material exhibits decent catalytic activity for low-temperature, aerobic total as well as partial oxidation reactions, the oxidative coupling of methanol to methyl formate being the prototypical example. This review not only provides a critical discussion of ways to tune the morphology and composition of this material and its implication for catalysis and electrocatalysis, but will also exemplarily review the current mechanistic understanding of the partial oxidation of methanol using information from quantum chemical studies, model studies on single-crystal surfaces, gas phase catalysis, aerobic liquid phase oxidation, and electrocatalysis. In this respect, a particular focus will be on mechanistic aspects not well understood, yet. Apart from the mechanistic aspects of catalysis, best practice examples with respect to material preparation and characterization will be discussed. These can improve the reproducibility of the materials property such as the catalytic activity and selectivity as well as the scope of reactions being identified as the main challenges for a broader application of NPG in target-oriented organic synthesis.
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Affiliation(s)
- Gunther Wittstock
- Carl von Ossietzky University of Oldenburg, School of Mathematics and Science, Institute of Chemistry, D-26111 Oldenburg, Germany
| | - Marcus Bäumer
- University of Bremen, Institute for Applied and Physical Chemistry, 28359 Bremen, Germany
- University of Bremen, MAPEX Center for Materials and Processes, 28359 Bremen, Germany
| | - Wilke Dononelli
- University of Bremen, MAPEX Center for Materials and Processes, 28359 Bremen, Germany
- University of Bremen, Bremen Center for Computational Materials Science, Hybrid Materials Interfaces Group, Am Fallturm 1, Bremen 28359, Germany
| | - Thorsten Klüner
- Carl von Ossietzky University of Oldenburg, School of Mathematics and Science, Institute of Chemistry, D-26111 Oldenburg, Germany
| | - Lukas Lührs
- Hamburg University of Technology, Institute of Materials Physics and Technology, 21703 Hamburg, Germany
| | - Christoph Mahr
- University of Bremen, MAPEX Center for Materials and Processes, 28359 Bremen, Germany
- University of Bremen, Institute of Solid State Physics, Otto Hahn Allee 1, 28359 Bremen, Germany
| | - Lyudmila V Moskaleva
- University of the Free State, Department of Chemistry, P.O. Box 339, Bloemfontein 9300, South Africa
| | - Mehtap Oezaslan
- Technical University of Braunschweig Institute of Technical Chemistry, Technical Electrocatalysis Laboratory, Franz-Liszt-Strasse 35a, 38106 Braunschweig, Germany
| | - Thomas Risse
- Freie Universität Berlin, Institute of Chemistry and Biochemistry, Arnimallee 22, 14195 Berlin, Germany
| | - Andreas Rosenauer
- University of Bremen, MAPEX Center for Materials and Processes, 28359 Bremen, Germany
- University of Bremen, Institute of Solid State Physics, Otto Hahn Allee 1, 28359 Bremen, Germany
| | - Anne Staubitz
- University of Bremen, MAPEX Center for Materials and Processes, 28359 Bremen, Germany
- University of Bremen, Institute for Organic and Analytical Chemistry, Leobener Strasse 7, D-28359 Bremen, Germany
| | - Jörg Weissmüller
- Hamburg University of Technology, Institute of Materials Physics and Technology, 21703 Hamburg, Germany
- Helmholtz-Zentrum Hereon, Institute of Materials Mechanics, 21502 Geesthacht, Germany
| | - Arne Wittstock
- University of Bremen, MAPEX Center for Materials and Processes, 28359 Bremen, Germany
- University of Bremen, Institute for Organic and Analytical Chemistry, Leobener Strasse 7, D-28359 Bremen, Germany
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Schmidl G, Raugust M, Jia G, Dellith A, Dellith J, Schmidl F, Plentz J. Porous spherical gold nanoparticles via a laser induced process. NANOSCALE ADVANCES 2022; 4:4122-4130. [PMID: 36285216 PMCID: PMC9514562 DOI: 10.1039/d2na00396a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 08/15/2022] [Indexed: 06/16/2023]
Abstract
Nanoparticles consisting of a mixture of several metals and also porous nanoparticles due to their special structure exhibit properties that find applications in spectroscopic detection or catalysis. Different approaches of top down or bottom up technologies exist for the fabrication of such particles. We present a novel combined approach for the fabrication of spherical porous gold nanoparticles on low-cost glass substrates under ambient conditions using a UV-laser induced particle preparation process with subsequent wet chemical selective etching. In this preparation route, nanometer-sized branched structures are formed in spherical particles. The laser process, which is applied to a silver/gold bilayer system with different individual layer thicknesses, generates spherical mixed particles in a nanosecond range and influences the properties of the fabricated nanoparticles, such as the size and the mixture and thus the spectral response. The subsequent etching process is performed by selective wet chemical removal of silver from the nanoparticles with diluted nitric acid. The gold to silver ratio was investigated by energy-dispersive X-ray spectroscopy. The porosity depends on laser parameters and film thickness as well as on etching parameters such as time. After etching, the surface area of the remaining Au nanoparticles increases which makes these particles interesting for catalysis and also as carrier particles for substances. Such substances can be positioned at defined locations or be released in appropriate environments. Absorbance spectra are also analyzed to show how the altered fractured shape of the particles changes localized plasmon resonances of the resultingt particles.
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Affiliation(s)
- Gabriele Schmidl
- Leibniz Institute of Photonic Technology (Leibniz IPHT) Albert-Einstein-Straße 9 Jena 07745 Germany +49 (0) 3641 206299 +49 (0)3641 206438
| | - Marc Raugust
- Friedrich Schiller University, Institute of Solid State Physics Helmholtzweg 5 Jena 07743 Germany
- Leibniz Institute of Photonic Technology (Leibniz IPHT) Albert-Einstein-Straße 9 Jena 07745 Germany +49 (0) 3641 206299 +49 (0)3641 206438
| | - Guobin Jia
- Leibniz Institute of Photonic Technology (Leibniz IPHT) Albert-Einstein-Straße 9 Jena 07745 Germany +49 (0) 3641 206299 +49 (0)3641 206438
| | - Andrea Dellith
- Leibniz Institute of Photonic Technology (Leibniz IPHT) Albert-Einstein-Straße 9 Jena 07745 Germany +49 (0) 3641 206299 +49 (0)3641 206438
| | - Jan Dellith
- Leibniz Institute of Photonic Technology (Leibniz IPHT) Albert-Einstein-Straße 9 Jena 07745 Germany +49 (0) 3641 206299 +49 (0)3641 206438
| | - Frank Schmidl
- Friedrich Schiller University, Institute of Solid State Physics Helmholtzweg 5 Jena 07743 Germany
| | - Jonathan Plentz
- Leibniz Institute of Photonic Technology (Leibniz IPHT) Albert-Einstein-Straße 9 Jena 07745 Germany +49 (0) 3641 206299 +49 (0)3641 206438
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Silva Olaya AR, Kühling F, Mahr C, Zandersons B, Rosenauer A, Weissmüller J, Wittstock G. Promoting Effect of the Residual Silver on the Electrocatalytic Oxidation of Methanol and Its Intermediates on Nanoporous Gold. ACS Catal 2022. [DOI: 10.1021/acscatal.1c05160] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Alex Ricardo Silva Olaya
- Carl von Ossietzky University of Oldenburg, School of Mathematics and Science, Institute of Chemistry, 26111 Oldenburg, Germany
| | - Franziska Kühling
- Carl von Ossietzky University of Oldenburg, School of Mathematics and Science, Institute of Chemistry, 26111 Oldenburg, Germany
| | - Christoph Mahr
- Institute for Solid State Physics, University of Bremen, 28359 Bremen, Germany
- MAPEX Center for Materials and Processes, University of Bremen, 28359 Bremen, Germany
| | - Birthe Zandersons
- Institute of Materials Physics and Technology, Hamburg University of Technology, 21073 Hamburg, Germany
| | - Andreas Rosenauer
- Institute for Solid State Physics, University of Bremen, 28359 Bremen, Germany
- MAPEX Center for Materials and Processes, University of Bremen, 28359 Bremen, Germany
| | - Jörg Weissmüller
- Institute of Materials Physics and Technology, Hamburg University of Technology, 21073 Hamburg, Germany
- Helmholtz-Zentrum Hereon, Institute of Materials Mechanics, 21502 Geesthacht, Germany
| | - Gunther Wittstock
- Carl von Ossietzky University of Oldenburg, School of Mathematics and Science, Institute of Chemistry, 26111 Oldenburg, Germany
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