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Harito C, Khalil M, Nurdiwijayanto L, Septiani NLW, Abrori SA, Putra BR, Zaidi SZJ, Taniguchi T, Yuliarto B, Walsh FC. Facet-controlled growth and soft-chemical exfoliation of two-dimensional titanium dioxide nanosheets. NANOSCALE ADVANCES 2024; 6:4325-4345. [PMID: 39170976 PMCID: PMC11334985 DOI: 10.1039/d4na00442f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Accepted: 07/15/2024] [Indexed: 08/23/2024]
Abstract
TiO2 remains one of the most popular materials used in catalysts, photovoltaics, coatings, and electronics due to its abundance, chemical stability, and excellent catalytic properties. The tailoring of the TiO2 structure into two-dimensional nanosheets prompted the successful isolation of graphene and MXenes. In this review, facet-controlled TiO2 and monolayer titanate are outlined, covering their synthesis route and formation mechanism. The reactive facet of TiO2 is usually controlled by a capping agent. In contrast, the monolayer titanate is achieved by ion-exchange and delamination of layered titanates. Each route leads to 2D structures with unique physical and chemical properties, which expands its utilisation into several niche applications. We elaborate the detailed outlook for the future use and research studies of facet-controlled TiO2 and monolayer titanates. Advantages and disadvantages of both structures are provided, along with suggested applications for each type of 2D TiO2 nanosheets.
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Affiliation(s)
- Christian Harito
- Industrial Engineering Department, BINUS Graduate Program - Master of Industrial Engineering, Bina Nusantara University Jakarta Indonesia
| | - Munawar Khalil
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Indonesia Kampus Baru UI Depok Jawa Barat Indonesia
| | - Leanddas Nurdiwijayanto
- Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS) 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Ni Luh Wulan Septiani
- Research Center for Advanced Materials, National Research and Innovation Agency Komplek PUSPIPTEK, Serpong South Tangerang 15314 Banten Indonesia
| | - Syauqi Abdurrahman Abrori
- Automotive & Robotics Program, Computer Engineering Department, BINUS ASO School of Engineering, Bina Nusantara University Jakarta 11480 Indonesia
| | - Budi Riza Putra
- Research Center for Metallurgy, National Research and Innovation Agency (BRIN) PUSPIPTEK Area, Building No. 470, Setu Regency South Tangerang Banten 15314 Indonesia
| | - Syed Z J Zaidi
- Institute of Chemical Engineering and Technology, University of the Punjab Lahore Pakistan
| | - Takaaki Taniguchi
- Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS) 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Brian Yuliarto
- Department of Engineering Physics, Advanced Functional Materials Laboratory, Institute of Technology Bandung (ITB) Bandung 40132 Indonesia
- Research Center for Nanosciences and Nanotechnology (RCNN), Institute of Technology Bandung (ITB) Bandung 40132 Indonesia
| | - Frank C Walsh
- Electrochemical Engineering Laboratory, Faculty of Engineering and Physical Sciences, University of Southampton Southampton UK
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Fan B, Zhao Y, Putra BR, Harito C, Bavykin D, Walsh FC, Carta M, Malpass‐Evans R, McKeown NB, Marken F. Photoelectroanalytical Oxygen Detection with Titanate Nanosheet – Platinum Hybrids Immobilised into a Polymer of Intrinsic Microporosity (PIM‐1). ELECTROANAL 2020. [DOI: 10.1002/elan.202060353] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Bingbing Fan
- Department of Chemistry University of Bath Claverton Down BA2 7AY UK
- School of Material Science and Engineering Zhengzhou University Henan 450001 China
| | - Yuanzhu Zhao
- Department of Chemistry University of Bath Claverton Down BA2 7AY UK
| | - Budi Riza Putra
- Department of Chemistry University of Bath Claverton Down BA2 7AY UK
- Department of Chemistry Faculty of Mathematics and Natural Sciences Bogor Agricultural University Bogor West Java Indonesia
| | - Christian Harito
- Industrial Engineering Department Faculty of Engineering Bina Nusantara University Jakarta Indonesia 11480
- Energy Technology Research Group Faculty of Engineering and Physical Science University of Southampton SO17 1BJ Southampton UK
| | - Dmitry Bavykin
- Energy Technology Research Group Faculty of Engineering and Physical Science University of Southampton SO17 1BJ Southampton UK
| | - Frank C. Walsh
- Energy Technology Research Group Faculty of Engineering and Physical Science University of Southampton SO17 1BJ Southampton UK
| | - Mariolino Carta
- Department of Chemistry Swansea University College of Science, Grove Building Singleton Park Swansea SA2 8PP UK
| | - Richard Malpass‐Evans
- EaStCHEM School of Chemistry University of Edinburgh, Joseph Black Building David Brewster Road Edinburgh Scotland EH9 3JF UK
| | - Neil B. McKeown
- EaStCHEM School of Chemistry University of Edinburgh, Joseph Black Building David Brewster Road Edinburgh Scotland EH9 3JF UK
| | - Frank Marken
- Department of Chemistry University of Bath Claverton Down BA2 7AY UK
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Harito C, Bavykin DV, Yuliarto B, Dipojono HK, Walsh FC. Polymer nanocomposites having a high filler content: synthesis, structures, properties, and applications. NANOSCALE 2019; 11:4653-4682. [PMID: 30840003 DOI: 10.1039/c9nr00117d] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The recent development of nanoscale fillers, such as carbon nanotubes, graphene, and nanocellulose, allows the functionality of polymer nanocomposites to be controlled and enhanced. However, conventional synthesis methods of polymer nanocomposites cannot maximise the reinforcement of these nanofillers at high filler content. Approaches for the synthesis of high content filler polymer nanocomposites are suggested to facilitate future applications. The fabrication methods address the design of the polymer nanocomposite architecture, which encompasses one, two, and three dimensional morphologies. Factors that hamper the reinforcement of nanostructures, such as alignment, dispersion of the filler and interfacial bonding between the filler and polymer, are outlined. Using suitable approaches, maximum potential reinforcement of nanoscale fillers can be anticipated without limitations in orientation, dispersion, and the integrity of the filler particle-matrix interface. High filler content polymer composites containing emerging materials such as 2D transition metal carbides, nitrides, and carbonitrides (MXenes) are expected in the future.
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Affiliation(s)
- Christian Harito
- Energy Technology Research Group, Faculty of Engineering and Physical Sciences, University of Southampton, SO17 1BJ, Southampton, UK.
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Processes associated with ionic current rectification at a 2D-titanate nanosheet deposit on a microhole poly(ethylene terephthalate) substrate. J Solid State Electrochem 2019. [DOI: 10.1007/s10008-019-04199-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Konhefr M, Sedgwick AC, James TD, Lacina K, Skládal P, Putra BR, Harito C, Bavykin DV, Walsh FC, Raithby PR, Kociok-Köhn G, Marken F. Voltammetric characterisation of diferrocenylborinic acid in organic solution and in aqueous media when immobilised into a titanate nanosheet film. Dalton Trans 2019; 48:11200-11207. [DOI: 10.1039/c9dt00881k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Diferrocenylborinic acid (Fc2BOH, 1) has been synthesized.
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Wahyuni WT, Putra BR, Harito C, Bavykin DV, Walsh FC, Fletcher PJ, Marken F. Extraction of hydrophobic analytes from organic solution into a titanate 2D-nanosheet host: Electroanalytical perspectives. Anal Chim Acta X 2018; 1:100001. [PMID: 33186414 PMCID: PMC7587052 DOI: 10.1016/j.acax.2018.100001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Revised: 12/02/2018] [Accepted: 12/10/2018] [Indexed: 12/02/2022] Open
Abstract
Titanate nanosheets (single layer, typically 200 nm lateral size) deposited from aqueous colloidal solution onto electrode surfaces form lamellar hosts that bind redox active molecular redox probes. Here, hydrophobic redox systems such as anthraquinone, 1-amino-anthraquinone, deca-methylferrocene, 5,10,15,20-tetraphenyl-21H,23H-porphine manganese (III) chloride (TPPMnCl), and α-tocopherol are shown to bind directly from cyclopentanone solution (and from other types of organic solvents) into the titanate nanosheet film. For anthraquinone derivatives, stable voltammetric responses are observed in aqueous media consistent with 2-electron 2-proton reduction, however, independent of the pH of the outside solution phase environments. For decamethylferrocene a gradual decay of the voltammetric response is observed, but for TPPMnCl a more stable voltammetric signal is seen when immersed in chloride containing (NaCl) electrolyte. α-Tocopherol exhibits chemically irreversible oxidation and is detected with 1 mM–20 mM linear range and approximately 10−3 M concentration limit of detection. All redox processes exhibit an increase in current with increasing titanate film thickness and with increasing external electrolyte concentration. This and other observations suggest that important factors are analyte concentration and mobility within the titanate host, as well as ion exchange between titanate nanosheets and the outside electrolyte phase to maintain electroneutrality during voltammetric experiments. The lamellar titanate (with embedded tetrabutyl-ammonium cations) behaves like a hydrophobic host (for hydrophobic redox systems) similar to hydrophobic organic microphase systems. Potential for analytical applications is discussed. Extraction of hydrophobic guest molecules (e.g. vitamin E) from organic solvents into titanate nanosheet deposits. Redox processes at the electrode.|titanate interface coupled to ion exchange at the titanate|aqueous electrolyte interface Transport phenomena in 2D-titanate nanosheet deposits disected into a redox layer and an ion transport layer. Suppression of pH effects due to un-buffered conditions within the titanate nanosheet environment.
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Affiliation(s)
- Wulan Tri Wahyuni
- Department of Chemistry, University of Bath, Claverton Down, BA2 7AY, Bath, UK.,Department of Chemistry, Faculty of Mathematics and Natural Sciences, Bogor Agricultural University, Bogor, West Java, Indonesia
| | - Budi Riza Putra
- Department of Chemistry, University of Bath, Claverton Down, BA2 7AY, Bath, UK.,Department of Chemistry, Faculty of Mathematics and Natural Sciences, Bogor Agricultural University, Bogor, West Java, Indonesia
| | - Christian Harito
- Energy Technology Research Group, Faculty of Engineering and Physical Sciences of Southampton, SO17 1BJ, Southampton, UK
| | - Dmitry V Bavykin
- Energy Technology Research Group, Faculty of Engineering and Physical Sciences of Southampton, SO17 1BJ, Southampton, UK
| | - Frank C Walsh
- Energy Technology Research Group, Faculty of Engineering and Physical Sciences of Southampton, SO17 1BJ, Southampton, UK
| | - Philip J Fletcher
- Materials and Chemical Characterisation Facility (MC2), University of Bath, Claverton Down, BA2 7AY, Bath, UK
| | - Frank Marken
- Department of Chemistry, University of Bath, Claverton Down, BA2 7AY, Bath, UK
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