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Amin KM, Muench F, Kunz U, Ensinger W. 3D NiCo-Layered double Hydroxide@Ni nanotube networks as integrated free-standing electrodes for nonenzymatic glucose sensing. J Colloid Interface Sci 2021; 591:384-395. [PMID: 33631526 DOI: 10.1016/j.jcis.2021.02.023] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 02/02/2021] [Accepted: 02/07/2021] [Indexed: 12/29/2022]
Abstract
Nickel cobalt layered double hydroxide (NiCo-LDH)-based materials have recently emerged as catalysts for important electrochemical applications. However, they frequently suffer from low electrical conductivity and agglomeration, which in turn impairs their performance. Herein, we present a catalyst design based on integrated, self-supported nickel nanotube networks (Ni-NTNWs) loaded with NiCo-LDH nanosheets, which represents a binder-free, hierarchically nanostructured electrode architecture combining continuous conduction paths and openly accessible macropores of low tortuosity with an ultrahigh density of active sites. Similar to macroscale metallic foams, the NTNWs serve as three-dimensionally interconnected, robust frameworks for the deposition of active material, but are structured in the submicron range. Our synthesis is solely based on scalable approaches, namely templating with commercial track-etched membranes, electroless plating, and electrodeposition. Morphological and compositional characterization proved the successful decoration of the inner and outer nanotube surfaces with a conformal NiCo-LDH layer. Ni-NTNW electrodes and hydroxide-decorated variants showed excellent performance in glucose sensing. The highest activity was achieved for the catalyst augmented with NiCo-LDH nanosheets, which surpassed the modification with pure Ni(OH)2. Despite its low thickness of 20 µm, the optimized catalyst layer provided an outstanding sensitivity of 4.6 mA mM-1 cm-2, a low detection limit of 0.2 µM, a fast response time of 5.3 s, high selectivity and stability, and two linear ranges covering four orders of magnitude, up to 2.5 mM analyte. As such, derivatized interconnected metal nano-networks represent a promising design paradigm for highly miniaturized yet effective catalyst electrodes and electrochemical sensors.
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Affiliation(s)
- Khaled M Amin
- Department of Materials Science, Technische Universität Darmstadt, Darmstadt 64287, Germany; Department of Polymer Chemistry, Atomic Energy Authority, Cairo 11787, Egypt.
| | - Falk Muench
- Department of Materials Science, Technische Universität Darmstadt, Darmstadt 64287, Germany
| | - Ulrike Kunz
- Department of Materials Science, Technische Universität Darmstadt, Darmstadt 64287, Germany
| | - Wolfgang Ensinger
- Department of Materials Science, Technische Universität Darmstadt, Darmstadt 64287, Germany
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2
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Mani D, Mathivanan D, Chang H, Sakthivel K, Elangovan E, Sivakumar T, Arivanandhan M, Jayavel R. A facile synthesis of novel ε-Fe 2O 3 grafted 2D h-BN nanostructures for enhanced visible active photocatalytic applications. NEW J CHEM 2020. [DOI: 10.1039/d0nj02321c] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Solvothermally synthesized h-BN/ε-Fe2O3 nanocomposite catalyst exhibited enhanced photocatalytic activity compared to bare h-BN and c-BN catalysts.
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Affiliation(s)
- Durai Mani
- Centre for Nanoscience and Technology
- Anna University
- Chennai 600025
- India
| | - Durai Mathivanan
- Department of Mechanical Engineering and Graduate Institute of Manufacturing Technology
- National Taipei University of Technology
- Taipei 106
- Taiwan
| | - Ho Chang
- Department of Mechanical Engineering and Graduate Institute of Manufacturing Technology
- National Taipei University of Technology
- Taipei 106
- Taiwan
| | - Kumaravel Sakthivel
- Department of Applied Science and Technology
- Anna University
- Chennai 600025
- India
| | - Erusappan Elangovan
- Department of Applied Science and Technology
- Anna University
- Chennai 600025
- India
| | | | | | - Ramasamy Jayavel
- Centre for Nanoscience and Technology
- Anna University
- Chennai 600025
- India
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3
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Fernández G, Sort J, Pleixats R. Nickel Nanoparticles Stabilized by Trisimidazolium Salts: Synthesis, Characterization and Application as Recyclable Catalysts for the Reduction of Nitroarenes. ChemistrySelect 2018. [DOI: 10.1002/slct.201801839] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Guillem Fernández
- Department of Chemistry and Centro de Innovación en Química Avanzada (CINQA)Universitat Autònoma de Barcelona, 08193-Cerdanyola del Vallès Barcelona Spain
| | - Jordi Sort
- Department of PhysicsUniversitat Autònoma de Barcelona 08193 Bellaterra Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Pg. Lluís Companys 23 E-08010 Barcelona Spain
| | - Roser Pleixats
- Department of Chemistry and Centro de Innovación en Química Avanzada (CINQA)Universitat Autònoma de Barcelona, 08193-Cerdanyola del Vallès Barcelona Spain
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Sangian D, Ide Y, Bando Y, Rowan AE, Yamauchi Y. Materials Nanoarchitectonics Using 2D Layered Materials: Recent Developments in the Intercalation Process. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1800551. [PMID: 29962072 DOI: 10.1002/smll.201800551] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Revised: 04/05/2018] [Indexed: 05/15/2023]
Abstract
Layered inorganic solids as an attractive classification of 2D materials offer material diversity and a wide range of interesting properties. Layered inorganic solids provide an expandable 2D nanospace between each individual layer, the so called interlayer space, to accommodate/arrange guest species such as molecules, nanoparticles, and polymer chains and design unique nanoarchitectures, resulting in the production of intercalation compounds showing different properties in comparison to those of virgin layered materials and guest species. Layered inorganic solids can also be exfoliated to result in nanosheet production. Further ordering of exfoliated nanosheets is also possible via different methods and normally leads to creating soft materials presenting properties and applications different from that of relatively rigid intercalation compounds. Here, the latest studies and up-to-date developments on the possible techniques of designing novel types of materials using layered inorganic solids are specifically highlighted.
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Affiliation(s)
- Danial Sangian
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Yusuke Ide
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Yoshio Bando
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Alan E Rowan
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Yusuke Yamauchi
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD, 4072, Australia
- School of Chemical Engineering, The University of Queensland, Brisbane, QLD, 4072, Australia
- Department of Plant & Environmental New Resources, Kyung Hee University, 1732 Deogyeong-daero, Giheunggu, Yongin-si, Gyeonggi-do, 446-701, South Korea
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5
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Sangian D, Naficy S, Dehghani F, Yamauchi Y. A Review on Layered Mineral Nanosheets Intercalated with Hydrophobic/Hydrophilic Polymers and Their Applications. MACROMOL CHEM PHYS 2018. [DOI: 10.1002/macp.201800142] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Danial Sangian
- International Center for Materials Nanoarchitectonics (MANA); National Institute for Materials Science (NIMS); 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Sina Naficy
- School of Chemical and Biomolecular Engineering; The University of Sydney; Sydney NSW 2006 Australia
| | - Fariba Dehghani
- School of Chemical and Biomolecular Engineering; The University of Sydney; Sydney NSW 2006 Australia
| | - Yusuke Yamauchi
- School of Chemical Engineering; The University of Queensland; Brisbane QLD 4072 Australia
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6
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Doustkhah E, Rostamnia S, Tsunoji N, Henzie J, Takei T, Yamauchi Y, Ide Y. Templated synthesis of atomically-thin Ag nanocrystal catalysts in the interstitial space of a layered silicate. Chem Commun (Camb) 2018; 54:4402-4405. [PMID: 29459922 DOI: 10.1039/c8cc00275d] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Enclosing functional nanoparticles in stable inorganic supports is important for generating ultra-stable catalytic active sites with good performance and material utilization efficiency. Here we describe a simple method to synthesize ultra-thin Ag nanocrystals with dimensions that are defined by the ∼1.4 nm 2D interlayer separating a layered silicate nanostructure. We call the particles "nanoplates" because they are <1.4 nm thick in one direction and their in-plane dimensions are defined by reaction time. The layered silicate is pillared with dialkylurea, which serves both as a reducing agent for the Ag precursor and immobilizes the Ag nanoplates in the interstitial nanospace. The supported Ag nanoplates showed catalytic activity for hydrolysis of NH3BH3 and generation of H2 at room temperature. These supported Ag nanocatalysts had performance much higher than spherical Ag nanoparticles. They, moreover, had performance and stability comparable to costly supported Pt nanoparticles.
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Affiliation(s)
- Esmail Doustkhah
- International Center for Materials Nanoarchitechtonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
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Oraon R, De Adhikari A, Tiwari SK, Nayak GC. Nanoclay Co-Doped CNT/Polyaniline Nanocomposite: A High-Performance Electrode Material for Supercapacitor Applications. ChemistrySelect 2017. [DOI: 10.1002/slct.201700276] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Ramesh Oraon
- Dept. of Applied Chemistry; IIT (ISM); Dhanbad India- 826004
| | | | | | - Ganesh C. Nayak
- Dept. of Applied Chemistry; IIT (ISM); Dhanbad India- 826004
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Kumar Dutta D, Jyoti Borah B, Pollov Sarmah P. Recent Advances in Metal Nanoparticles Stabilization into Nanopores of Montmorillonite and Their Catalytic Applications for Fine Chemicals Synthesis. CATALYSIS REVIEWS 2015. [DOI: 10.1080/01614940.2014.1003504] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Yang W, Li B. A novel liquid template corrosion approach for layered silica with various morphologies and different nanolayer thicknesses. NANOSCALE 2014; 6:2292-2298. [PMID: 24413560 DOI: 10.1039/c3nr04733d] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
A novel liquid template corrosion (LTC) method has been developed for the synthesis of layered silica materials with a variety of morphologies, including hollow nanospheres, trilobite-like nanoparticles, spherical particles and a film resembling the van Gogh painting 'Starry Night'. Lamellar micelles and microemulsion droplets are first formed in an oil-water (O/W) mixture of ethyl acetate (EA), cetyltrimethylammonium bromide (CTAB) and water. After adding aqueous ammonia the EA becomes hydrolyzed, which results in corrosion of microemulsion droplets. These droplets subsequently act as templates for the synthesis of silica formed by hydrolysis of tetraethyl orthosilicate. The morphological evolution of silica can be tuned by varying the concentration of aqueous ammonia which controls the degree of corrosion of the microemulsion droplet templates. A possible mechanism is proposed to explain why the LTC approach affords layered silica nanostructured materials with various morphologies and nanolayer thickness (2.6-4.5 nm), rather than the usual ordered mesostructures formed in the absence of EA. Our method provides a simple way to fabricate a variety of building blocks for assembling nanomaterials with novel structures and functionality, which are not available using conventional template methods.
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Affiliation(s)
- Wanliang Yang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China.
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He X, Zhong W, Au CT, Du Y. Size dependence of the magnetic properties of Ni nanoparticles prepared by thermal decomposition method. NANOSCALE RESEARCH LETTERS 2013; 8:446. [PMID: 24164907 PMCID: PMC4231360 DOI: 10.1186/1556-276x-8-446] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2013] [Accepted: 09/25/2013] [Indexed: 05/22/2023]
Abstract
By means of thermal decomposition, we prepared single-phase spherical Ni nanoparticles (23 to 114 nm in diameter) that are face-centered cubic in structure. The magnetic properties of the Ni nanoparticles were experimentally as well as theoretically investigated as a function of particle size. By means of thermogravimetric/differential thermal analysis, the Curie temperature TC of the 23-, 45-, 80-, and 114-nm Ni particles was found to be 335°C, 346°C, 351°C, and 354°C, respectively. Based on the size-and-shape dependence model of cohesive energy, a theoretical model is proposed to explain the size dependence of TC. The measurement of magnetic hysteresis loop reveals that the saturation magnetization MS and remanent magnetization increase and the coercivity decreases monotonously with increasing particle size, indicating a distinct size effect. By adopting a simplified theoretical model, we obtained MS values that are in good agreement with the experimental ones. Furthermore, with increase of surface-to-volume ratio of Ni nanoparticles due to decrease of particle size, there is increase of the percentage of magnetically inactive layer.
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Affiliation(s)
- Xuemin He
- National Laboratory of Solid State Microstructures and Jiangsu Provincial Laboratory for NanoTechnology, Department of Physics, Nanjing University, Nanjing 210093, China
| | - Wei Zhong
- National Laboratory of Solid State Microstructures and Jiangsu Provincial Laboratory for NanoTechnology, Department of Physics, Nanjing University, Nanjing 210093, China
| | - Chak-Tong Au
- Department of Chemistry, Hong Kong Baptist University, Hong Kong 852, China
| | - Youwei Du
- National Laboratory of Solid State Microstructures and Jiangsu Provincial Laboratory for NanoTechnology, Department of Physics, Nanjing University, Nanjing 210093, China
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11
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Varadwaj GBB, Parida KM. Montmorillonite supported metal nanoparticles: an update on syntheses and applications. RSC Adv 2013. [DOI: 10.1039/c3ra40520f] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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