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Vasileva AA, Mamonova DV, Petrov YV, Kolesnikov IE, Leuchs G, Manshina AA. Laser-Induced Synthesis of Electrocatalytically Active Ag, Pt, and AgPt/Polyaniline Nanocomposites for Hydrogen Evolution Reactions. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 13:88. [PMID: 36615998 PMCID: PMC9824031 DOI: 10.3390/nano13010088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/20/2022] [Accepted: 12/21/2022] [Indexed: 06/17/2023]
Abstract
We present an efficient and easily implemented approach for creating stable electrocatalytically active nanocomposites based on polyaniline (PANI) with metal NPs. The approach combines in situ synthesis of polyaniline followed by laser-induced deposition (LID) of Ag, Pt, and AgPt NPs. The observed peculiarity of LID of PANI is the role of the substrate during the formation of multi-metallic nanoparticles (MNP). This allows us to solve the problem of losing catalytically active particles from the electrode's surface in electrochemical use. The synthesized PANI/Ag, PANI/Pt, and PANI/AgPt composites were studied with different techniques, such as SEM, EDX, Raman spectroscopy, and XPS. These suggested a mechanism for the formation of MNP on PANI. The MNP-PANI interaction was demonstrated, and the functionality of the nanocomposites was studied through the electrocatalysis of the hydrogen evolution reaction. The PANI/AgPt nanocomposites demonstrated both the best activity and the most stable metal component in this process. The suggested approach can be considered as universal, since it can be extended to the creation of electrocatalytically active nanocomposites with various mono- and multi-metallic NPs.
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Affiliation(s)
- Anna A. Vasileva
- Saint Petersburg State University, 26 Universitetskii Prospect, 198504 Saint-Petersburg, Russia
| | - Daria V. Mamonova
- Saint Petersburg State University, 26 Universitetskii Prospect, 198504 Saint-Petersburg, Russia
| | - Yuri V. Petrov
- Saint Petersburg State University, 26 Universitetskii Prospect, 198504 Saint-Petersburg, Russia
| | - Ilya E. Kolesnikov
- Saint Petersburg State University, 26 Universitetskii Prospect, 198504 Saint-Petersburg, Russia
| | - Gerd Leuchs
- Max Planck Institute for the Science of Light, Staudtstr. 2, 91058 Erlangen, Germany
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Staudtstr. 7/B2, 91058 Erlangen, Germany
| | - Alina A. Manshina
- Saint Petersburg State University, 26 Universitetskii Prospect, 198504 Saint-Petersburg, Russia
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2
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Mamonova DV, Vasileva AA, Petrov YV, Koroleva AV, Danilov DV, Kolesnikov IE, Bikbaeva GI, Bachmann J, Manshina AA. Single Step Laser-Induced Deposition of Plasmonic Au, Ag, Pt Mono-, Bi- and Tri-Metallic Nanoparticles. NANOMATERIALS 2021; 12:nano12010146. [PMID: 35010096 PMCID: PMC8746481 DOI: 10.3390/nano12010146] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 12/21/2021] [Accepted: 12/27/2021] [Indexed: 12/11/2022]
Abstract
Multimetallic plasmonic systems usually have distinct advantages over monometallic nanoparticles due to the peculiarity of the electronic structure appearing in advanced functionality systems, which is of great importance in a variety of applications including catalysis and sensing. Despite several reported techniques, the controllable synthesis of multimetallic plasmonic nanoparticles in soft conditions is still a challenge. Here, mono-, bi- and tri-metallic nanoparticles were successfully obtained as a result of a single step laser-induced deposition approach from monometallic commercially available precursors. The process of nanoparticles formation is starting with photodecomposition of the metal precursor resulting in nucleation and the following growth of the metal phase. The deposited nanoparticles were studied comprehensively with various experimental techniques such as SEM, TEM, EDX, XPS, and UV-VIS absorption spectroscopy. The size of monometallic nanoparticles is strongly dependent on the type of metal: 140–200 nm for Au, 40–60 nm for Ag, 2–3 nm for Pt. Bi- and trimetallic nanoparticles were core-shell structures representing monometallic crystallites surrounded by an alloy of respective metals. The formation of an alloy phase took place between monometallic nanocrystallites of different metals in course of their growth and agglomeration stage.
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Affiliation(s)
- Daria V Mamonova
- Institute of Chemistry, Saint-Petersburg State University, 26 Universitetskii Prospect, 198504 Saint-Petersburg, Russia
| | - Anna A Vasileva
- Institute of Chemistry, Saint-Petersburg State University, 26 Universitetskii Prospect, 198504 Saint-Petersburg, Russia
| | - Yuri V Petrov
- Department of Physics, Saint-Petersburg State University, Ulyanovskaya 3, 198504 Saint-Petersburg, Russia
| | - Alexandra V Koroleva
- Center for Physical Methods of Surface Investigation, Research Park, Saint Petersburg University, Universitetskiy Prosp. 35, Lit. A, 198504 Saint-Petersburg, Russia
| | - Denis V Danilov
- Interdisciplinary Resource Center for Nanotechnology, Research Park, Saint-Petersburg State University, Ulyanovskaya 1, 198504 Saint-Petersburg, Russia
| | - Ilya E Kolesnikov
- Center for Optical and Laser Materials Research, Research Park, Saint-Petersburg State University, Ulyanovskaya 5, 198504 Saint-Petersburg, Russia
| | - Gulia I Bikbaeva
- Institute of Chemistry, Saint-Petersburg State University, 26 Universitetskii Prospect, 198504 Saint-Petersburg, Russia
| | - Julien Bachmann
- Institute of Chemistry, Saint-Petersburg State University, 26 Universitetskii Prospect, 198504 Saint-Petersburg, Russia
- Department of Chemistry and Pharmacy, Friedrich-Alexander University of Erlangen-Nürnberg, IZNF, Cauerstr. 3, 91058 Erlangen, Germany
| | - Alina A Manshina
- Institute of Chemistry, Saint-Petersburg State University, 26 Universitetskii Prospect, 198504 Saint-Petersburg, Russia
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Butt MA, Mamonova D, Petrov Y, Proklova A, Kritchenkov I, Manshina A, Banzer P, Leuchs G. Hybrid Orthorhombic Carbon Flakes Intercalated with Bimetallic Au-Ag Nanoclusters: Influence of Synthesis Parameters on Optical Properties. NANOMATERIALS 2020; 10:nano10071376. [PMID: 32679699 PMCID: PMC7407132 DOI: 10.3390/nano10071376] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 07/07/2020] [Accepted: 07/11/2020] [Indexed: 11/27/2022]
Abstract
Until recently, planar carbonaceous structures such as graphene did not show any birefringence under normal incidence. In contrast, a recently reported novel orthorhombic carbonaceous structure with metal nanoparticle inclusions does show intrinsic birefringence, outperforming other natural orthorhombic crystalline materials. These flake-like structures self-assemble during a laser-induced growth process. In this article, we explore the potential of this novel material and the design freedom during production. We study in particular the dependence of the optical and geometrical properties of these hybrid carbon-metal flakes on the fabrication parameters. The influence of the laser irradiation time, concentration of the supramolecular complex in the solution, and an external electric field applied during the growth process are investigated. In all cases, the self-assembled metamaterial exhibits a strong linear birefringence in the visible spectral range, while the wavelength-dependent attenuation was found to hinge on the concentration of the supramolecular complex in the solution. By varying the fabrication parameters one can steer the shape and size of the flakes. This study provides a route towards fabrication of novel hybrid carbon-metal flakes with tailored optical and geometrical properties.
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Affiliation(s)
- Muhammad Abdullah Butt
- Emeritus Group Leuchs, Max Planck Institute for the Science of Light, 91058 Erlangen, Germany
- Institute of Optics, Information and Photonics, University Erlangen-Nuremberg, 91058 Erlangen, Germany
- School of Advanced Optical Technologies, University Erlangen-Nuremberg, 91052 Erlangen, Germany
| | - Daria Mamonova
- Institute of Chemistry, St. Petersburg State University, 198504 St. Petersburg, Russia
| | - Yuri Petrov
- Faculty of physics, St. Petersburg State University, 198504 St. Petersburg, Russia
| | - Alexandra Proklova
- Institute of Chemistry, St. Petersburg State University, 198504 St. Petersburg, Russia
| | - Ilya Kritchenkov
- Institute of Chemistry, St. Petersburg State University, 198504 St. Petersburg, Russia
| | - Alina Manshina
- Institute of Chemistry, St. Petersburg State University, 198504 St. Petersburg, Russia
| | - Peter Banzer
- Emeritus Group Leuchs, Max Planck Institute for the Science of Light, 91058 Erlangen, Germany
- Institute of Optics, Information and Photonics, University Erlangen-Nuremberg, 91058 Erlangen, Germany
- School of Advanced Optical Technologies, University Erlangen-Nuremberg, 91052 Erlangen, Germany
| | - Gerd Leuchs
- Emeritus Group Leuchs, Max Planck Institute for the Science of Light, 91058 Erlangen, Germany
- Institute of Optics, Information and Photonics, University Erlangen-Nuremberg, 91058 Erlangen, Germany
- School of Advanced Optical Technologies, University Erlangen-Nuremberg, 91052 Erlangen, Germany
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Butt MA, Lesina AC, Neugebauer M, Bauer T, Ramunno L, Vaccari A, Berini P, Petrov Y, Danilov D, Manshina A, Banzer P, Leuchs G. Investigating the Optical Properties of a Laser Induced 3D Self-Assembled Carbon-Metal Hybrid Structure. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1900512. [PMID: 30957965 DOI: 10.1002/smll.201900512] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 03/04/2019] [Indexed: 06/09/2023]
Abstract
Carbon-based and carbon-metal hybrid materials hold great potential for applications in optics and electronics. Here, a novel material made of carbon and gold-silver nanoparticles is discussed, fabricated using a laser-induced self-assembly process. This self-assembled metamaterial manifests itself in the form of cuboids with lateral dimensions on the order of several micrometers and a height of tens to hundreds of nanometers. The carbon atoms are arranged following an orthorhombic unit cell, with alloy nanoparticles intercalated in the crystalline carbon matrix. The optical properties of this metamaterial are analyzed experimentally using a microscopic Müller matrix measurement approach and reveal a high linear birefringence across the visible spectral range. Theoretical modeling based on local-field theory applied to the carbon matrix links the birefringence to the orthorhombic unit cell, while finite-difference time-domain simulations of the metamaterial relates the observed optical response to the distribution of the alloy nanoparticles and the optical density of the carbon matrix.
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Affiliation(s)
- Muhammad Abdullah Butt
- Max Planck Institute for the Science of Light, 91058, Erlangen, Germany
- Institute of Optics, Information and Photonics, University Erlangen-Nuremberg, 91058, Erlangen, Germany
- School of Advanced Optical Technologies, University Erlangen-Nuremberg, 91052, Erlangen, Germany
| | - Antonino Calà Lesina
- Department of Physics, University of Ottawa, Ottawa, ON, K1N 6N5, Canada
- Centre for Research in Photonics, University of Ottawa, Ottawa, ON, K1N 6N5, Canada
- Max Planck-University of Ottawa Centre for Extreme and Quantum Photonics, Ottawa, K1N 6N5, Canada
- School of Electrical Engineering and Computer Science, University of Ottawa, Ottawa, ON, K1N 6N5, Canada
| | - Martin Neugebauer
- Max Planck Institute for the Science of Light, 91058, Erlangen, Germany
- Institute of Optics, Information and Photonics, University Erlangen-Nuremberg, 91058, Erlangen, Germany
| | - Thomas Bauer
- Max Planck-University of Ottawa Centre for Extreme and Quantum Photonics, Ottawa, K1N 6N5, Canada
- Department of Quantum Nanoscience, Delft University of Technology, 2628 CJ, Delft, Netherlands
| | - Lora Ramunno
- Department of Physics, University of Ottawa, Ottawa, ON, K1N 6N5, Canada
- Centre for Research in Photonics, University of Ottawa, Ottawa, ON, K1N 6N5, Canada
| | - Alessandro Vaccari
- Centre for Materials and Microsystems, Fondazione Bruno Kessler, 38123, Trento, Italy
| | - Pierre Berini
- Department of Physics, University of Ottawa, Ottawa, ON, K1N 6N5, Canada
- Centre for Research in Photonics, University of Ottawa, Ottawa, ON, K1N 6N5, Canada
- Max Planck-University of Ottawa Centre for Extreme and Quantum Photonics, Ottawa, K1N 6N5, Canada
- School of Electrical Engineering and Computer Science, University of Ottawa, Ottawa, ON, K1N 6N5, Canada
| | - Yuriy Petrov
- Faculty of physics, St. Petersburg State University, St. Petersburg, 198504, Russia
| | - Denis Danilov
- Interdisciplinary Resource center for Nanotechnology, St. Petersburg State University, St. Petersburg, 198504, Russia
| | - Alina Manshina
- Institute of Chemistry, St. Petersburg State University, St. Petersburg, 198504, Russia
| | - Peter Banzer
- Max Planck Institute for the Science of Light, 91058, Erlangen, Germany
- Institute of Optics, Information and Photonics, University Erlangen-Nuremberg, 91058, Erlangen, Germany
- Max Planck-University of Ottawa Centre for Extreme and Quantum Photonics, Ottawa, K1N 6N5, Canada
| | - Gerd Leuchs
- Max Planck Institute for the Science of Light, 91058, Erlangen, Germany
- Institute of Optics, Information and Photonics, University Erlangen-Nuremberg, 91058, Erlangen, Germany
- Department of Physics, University of Ottawa, Ottawa, ON, K1N 6N5, Canada
- Max Planck-University of Ottawa Centre for Extreme and Quantum Photonics, Ottawa, K1N 6N5, Canada
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Haschke S, Pankin D, Mikhailovskii V, Barr MKS, Both-Engel A, Manshina A, Bachmann J. Nanoporous water oxidation electrodes with a low loading of laser-deposited Ru/C exhibit enhanced corrosion stability. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2019; 10:157-167. [PMID: 30680288 PMCID: PMC6334789 DOI: 10.3762/bjnano.10.15] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Accepted: 12/19/2018] [Indexed: 06/09/2023]
Abstract
For the oxidation of water to dioxygen, oxide-covered ruthenium metal is known as the most efficient catalyst, however, with limited stability. Herein, we present a strategy for incorporating a Ru/C composite onto a novel nanoporous electrode surface with low noble metal loading and improved stability. The Ru/C is coated on the pore walls of anodic alumina templates in a one-step laser-induced deposition method from Ru3(CO)12 solutions. Scanning electron microscopy proves the presence of a continuous Ru/C layer along the inner pore walls. The amorphous material consists of metallic Ru incorporated in a carbonaceous C matrix as shown by X-ray diffraction combined with Raman and X-ray photoelectron spectroscopies. These porous electrodes reveal enhanced stability during water oxidation as compared to planar samples at pH 4. Finally, their electrocatalytic performance depends on the geometric parameters and is optimized with 13 μm pore length, which yields 2.6 mA cm-2, or 49 A g-1, at η = 0.20 V.
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Affiliation(s)
- Sandra Haschke
- Friedrich-Alexander University Erlangen-Nürnberg, Department of Chemistry and Pharmacy, Chair of Chemistry of thin film materials, Egerlandstrasse 3a, 91058 Erlangen, Germany
| | - Dmitrii Pankin
- Saint-Petersburg State University, Center for Optical and Laser Materials Research, Uljanovskaya 5, 198504 St. Petersburg, Russia
| | - Vladimir Mikhailovskii
- Saint-Petersburg State University, Interdisciplinary Resource Center for Nanotechnology, Uljanovskaya 1, 198504 St. Petersburg, Russia
| | - Maïssa K S Barr
- Friedrich-Alexander University Erlangen-Nürnberg, Department of Chemistry and Pharmacy, Chair of Chemistry of thin film materials, Egerlandstrasse 3a, 91058 Erlangen, Germany
| | - Adriana Both-Engel
- Friedrich-Alexander University Erlangen-Nürnberg, Department of Chemistry and Pharmacy, Chair of Chemistry of thin film materials, Egerlandstrasse 3a, 91058 Erlangen, Germany
| | - Alina Manshina
- Saint-Petersburg State University, Institute of Chemistry, Universitetskii pr. 26, 198504 St. Petersburg, Russia
| | - Julien Bachmann
- Friedrich-Alexander University Erlangen-Nürnberg, Department of Chemistry and Pharmacy, Chair of Chemistry of thin film materials, Egerlandstrasse 3a, 91058 Erlangen, Germany
- Saint-Petersburg State University, Institute of Chemistry, Universitetskii pr. 26, 198504 St. Petersburg, Russia
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6
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Kolesnikov I, lvanova T, Ivanov D, Kireev A, Mamonova D, Golyeva E, Mikhailov M, Manshina A. In-situ laser-induced synthesis of associated YVO4:Eu3+@SiO2@Au-Ag/C nanohybrids with enhanced luminescence. J SOLID STATE CHEM 2018. [DOI: 10.1016/j.jssc.2017.12.021] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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7
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Akbarzadeh H, Shamkhali AN, Mehrjouei E. Ag-Au bimetallic nanoclusters formed from a homogeneous gas phase: a new thermodynamic expression confirmed by molecular dynamics simulation. Phys Chem Chem Phys 2018; 19:3763-3769. [PMID: 28098288 DOI: 10.1039/c6cp08508c] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
In this work, two probabilistic and thermodynamic limits for formation of a bimetallic nanocluster from a homogeneous gas phase were obtained in order to investigate the related phenomena using molecular dynamics simulation. Therefore, by application of some simple assumptions from thermodynamics and statistical mechanics, a new expression for composition of the nanocluster was derived which depends only on the initial conditions of the system and one adjustable parameter. This expression can be easily fitted to the results of molecular dynamics and can be used as a measure of the thermodynamic contribution in the cluster formation process. Then, molecular dynamics simulations were performed for several systems containing the same total number of metallic atoms and different concentrations of Ag and Au atoms. The results of this study exhibited that depending on different initial compositions of Ag and Au types, fcc and icosahedral structures are formed. Moreover, increase of the initial Ag concentration leads to products whose compositions are more controlled by probability limits. However, longer simulation times indicated that creation of more thermodynamically favoured nanoclusters depends on the formation of more probable ones in the early stages of the simulation.
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Affiliation(s)
- H Akbarzadeh
- Department of Chemistry, Faculty of Basic Sciences, Hakim Sabzevari University, 96179-76487 Sabzevar, Iran.
| | - A N Shamkhali
- Department of Chemistry, Faculty of Science, University of Mohaghegh Ardabili, 56199-11367 Ardabil, Iran.
| | - E Mehrjouei
- Department of Chemistry, Faculty of Basic Sciences, Hakim Sabzevari University, 96179-76487 Sabzevar, Iran.
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Akbarzadeh H, Mehrjouei E, Shamkhali AN, Abbaspour M, Salemi S, Ramezanzadeh S. Au@void@AgAu Yolk-Shell Nanoparticles with Dominant Strain Effects: A Molecular Dynamics Simulation. J Phys Chem Lett 2017; 8:5064-5068. [PMID: 28960993 DOI: 10.1021/acs.jpclett.7b02310] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Au@void@AgAu yolk-shell nanoparticles with different morphologies were studied by classical molecular dynamics simulation. The results indicated that all of simulated yolk-shell nanoclusters with ∼3.8 nm size and different morphologies are unstable at room temperature, and collapse of the shell atoms into the void space completely fills it and creates more stable Au@AgAu core-shell structures. Also, it was observed that thermodynamic stabilities of the created core-shell structures strongly depend on the morphology of nanocluster, for which competition between strain and surface energy effects plays the key role in this phenomenon. Within this competition, strain effect is dominant and helps the stability of the created core-shell structure. Herein, the icosahedral nanocluster with the lowest strain effect exhibits the highest thermodynamic stability. By comparing the simulation results with experimental data, it was concluded that the essential factor that controls the stability of these nanoparticles is their size.
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Affiliation(s)
- Hamed Akbarzadeh
- Department of Chemistry, Faculty of Basic Sciences, Hakim Sabzevari University , 96179-76487 Sabzevar, Iran
| | - Esmat Mehrjouei
- Department of Chemistry, Faculty of Basic Sciences, Hakim Sabzevari University , 96179-76487 Sabzevar, Iran
| | - Amir Nasser Shamkhali
- Department of Chemistry, Faculty of Sciences, University of Mohaghegh Ardabili , 56199-11367 Ardabil, Iran
| | - Mohsen Abbaspour
- Department of Chemistry, Faculty of Basic Sciences, Hakim Sabzevari University , 96179-76487 Sabzevar, Iran
| | - Sirous Salemi
- Department of Chemistry, Faculty of Basic Sciences, Hakim Sabzevari University , 96179-76487 Sabzevar, Iran
| | - Samira Ramezanzadeh
- Department of Chemistry, Faculty of Basic Sciences, Hakim Sabzevari University , 96179-76487 Sabzevar, Iran
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9
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Povolotskiy AV. Kinetics of the photodecomposition of supramolecular alkynyl–phosphine complexes. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2017. [DOI: 10.1134/s0036024417100314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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10
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Akbarzadeh H, Mehrjouei E, Shamkhali AN. Au@Void@Ag Yolk-Shell Nanoclusters Visited by Molecular Dynamics Simulation: The Effects of Structural Factors on Thermodynamic Stability. J Phys Chem Lett 2017; 8:2990-2998. [PMID: 28618220 DOI: 10.1021/acs.jpclett.7b00978] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Au@void@Ag yolk-shell nanoclusters were studied by molecular dynamics simulation in order to study the effects of core and shell sizes on their thermodynamic stability and structural transformation. The results demonstrated that all of simulated nanoclusters with different core and shell sizes are unstable at temperatures lower than 350 K in such a way that Ag atoms are collapsed into the void space and fill it, which leads to creation of a more stable core-shell morphology, and at the melting point, only core-shell structures with altered thickness of the shell exist. Also, at higher temperatures, Au atoms tend to migrate toward the surface, and an increase of both the core and shell sizes leads to an increase of the thermodynamic stability. Moreover, a Au147@void@Ag252 nanocluster with the largest core and shell and minimum void space exhibited the most thermodynamic stability and highest melting point. Generally, the core and shell sizes affect the stability and thermal behavior of yolk-shell nanoclusters cooperatively.
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Affiliation(s)
- Hamed Akbarzadeh
- Department of Chemistry, Faculty of Basic Sciences, Hakim Sabzevari University , 96179- 76487 Sabzevar, Iran
| | - Esmat Mehrjouei
- Department of Chemistry, Faculty of Basic Sciences, Hakim Sabzevari University , 96179- 76487 Sabzevar, Iran
| | - Amir Nasser Shamkhali
- Department of Chemistry, Faculty of Science, University of Mohaghegh Ardabili , 56199-11367 Ardabil, Iran
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Schlicht S, Kireev A, Vasileva A, Grachova EV, Tunik SP, Manshina AA, Bachmann J. A model electrode of well-defined geometry prepared by direct laser-induced decoration of nanoporous templates with Au-Ag@C nanoparticles. NANOTECHNOLOGY 2017; 28:065405. [PMID: 27959320 DOI: 10.1088/1361-6528/aa536a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
We present an original type of model electrode system consisting of bimetallic Au-Ag nanoparticles embedded in an amorphous carbon matrix with an extremely well-defined geometry of parallel, straight, cylindrical macropores. The samples are prepared in one step by direct laser deposition of the metal/carbon composite onto the inner walls of a porous 'anodic' alumina matrix serving as a template. The coating is homogeneous from top to bottom of the pores, and the amount of material deposited can be tuned by the duration of the deposition procedure. As a test system, we demonstrate that a bimetallic Ag-Au@C system is catalytically active for the electrochemical oxidation of glucose in alkaline solution, the anodic reaction of a direct glucose fuel cell. Furthermore, the electrocatalytic current density increases with the amount of Ag-Au@C NPs deposited, up to a point at which the pores are clogged with it. This type of model system allows for the systematic study of geometric effects in fuel cell electrodes. It can be generalized to a number of different nanoparticle compositions, and thereby, to various electrocatalytic reactions.
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Affiliation(s)
- Stefanie Schlicht
- Friedrich-Alexander University Erlangen-Nürnberg, Department of Chemistry and Pharmacy, Inorganic Chemistry, Egerlandstrasse 1, D-91058 Erlangen, Germany
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12
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Bashouti MY, Povolotckaia AV, Povolotskiy AV, Tunik SP, Christiansen SH, Leuchs G, Manshina AA. Spatially-controlled laser-induced decoration of 2D and 3D substrates with plasmonic nanoparticles. RSC Adv 2016. [DOI: 10.1039/c6ra16585k] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
We demonstrate a new approach which can be used for targeted imparting of plasmonic properties for wide range of different substrates which may have any 2D or 3D topological structure created independently in a prior step with some other technology.
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Affiliation(s)
- M. Y. Bashouti
- Max-Planck Institute for the Science of Light
- Erlangen D-91058
- Germany
| | - A. V. Povolotckaia
- Center for Optical and Laser Materials Research
- St. Petersburg State University
- St. Petersburg 198504
- Russia
| | - A. V. Povolotskiy
- Saint-Petersburg State University
- Institute of Chemistry
- Saint-Petersburg
- Russia
| | - S. P. Tunik
- Saint-Petersburg State University
- Institute of Chemistry
- Saint-Petersburg
- Russia
| | - S. H. Christiansen
- Institut für Festkörperphysik
- Technische Universität Dresden
- D-01062 Dresden
- Germany
| | - G. Leuchs
- Max-Planck Institute for the Science of Light
- Erlangen D-91058
- Germany
| | - A. A. Manshina
- Saint-Petersburg State University
- Institute of Chemistry
- Saint-Petersburg
- Russia
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