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Drault F, Ferain E, Lisboa MC, Hermans S, Demoustier-Champagne S. Tuning Au/SiO 2 nanostructures from 1D to 3D interconnected nanotube networks using polycarbonate porous templates. NANOSCALE 2023; 15:14981-14993. [PMID: 37661913 DOI: 10.1039/d3nr03783e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
We report a simple process, based on the combination of sol-gel deposition and nano-templating with polycarbonate membranes, for the synthesis of 1D to 3D free-standing silica (SiO2) interconnected nanotube (NT) networks. The thickness and porosity of the SiO2 nanotube walls can be, respectively, controlled by adjusting the ethanol amount in the sol-gel reaction mixture and by the addition or not of a porogen agent during the synthesis. Internal functionalization of 1D and 3D porous and non-porous SiO2 NTs by Au nanoparticles (NPs) was then performed using electroless deposition leading to particle sizes ranging from 15 to 20 nm. Characterization of all these systems by SEM-EDX, TEM, ICP and XPS clearly demonstrated the impact of the porosity of SiO2 on the amount and localization of Au NPs. Selective functionalization of the inner or the inner + outer surfaces of SiO2 NTs was achieved by keeping or freeing the SiO2 NTs from the template prior to electroless deposition, respectively. Moreover, UV-visible analysis confirmed plasmon resonance associated with Au NPs in all functionalized systems, paving the way to applications in many fields such as nano-medicine or (photo-)catalysis. In particular, the free-standing interconnected silica-based nanotube systems provide unique features of great interest for use in nanoscale fluidic bioseparation, sensing, and flow (photo)-catalytic chemistry, as demonstrated herein for the photodegradation of methylene blue.
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Affiliation(s)
- Fabien Drault
- Institute of Condensed Matter and Nanosciences (BSMA division), UCLouvain, Croix du Sud 1, B-1348, Louvain-la-Neuve, Belgium.
- Institute of Condensed Matter and Nanosciences (MOST division), UCLouvain, 1 Place Louis Pasteur, B-1348 Louvain-la- Neuve, Belgium.
| | - Etienne Ferain
- Institute of Condensed Matter and Nanosciences (BSMA division), UCLouvain, Croix du Sud 1, B-1348, Louvain-la-Neuve, Belgium.
- Institute of Condensed Matter and Nanosciences (MOST division), UCLouvain, 1 Place Louis Pasteur, B-1348 Louvain-la- Neuve, Belgium.
- it4ip S.A., Avenue Jean-Etienne Lenoir 1, B-1348 Louvain-la-Neuve, Belgium
| | - Milena Chagas Lisboa
- Institute of Condensed Matter and Nanosciences (BSMA division), UCLouvain, Croix du Sud 1, B-1348, Louvain-la-Neuve, Belgium.
| | - Sophie Hermans
- Institute of Condensed Matter and Nanosciences (MOST division), UCLouvain, 1 Place Louis Pasteur, B-1348 Louvain-la- Neuve, Belgium.
| | - Sophie Demoustier-Champagne
- Institute of Condensed Matter and Nanosciences (BSMA division), UCLouvain, Croix du Sud 1, B-1348, Louvain-la-Neuve, Belgium.
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Tan DX, Wang YL, Tan WY, Yang XY, Ma RH, Xu SY, Deng ZY. Controlled synthesis of Pd–Ag nanowire networks with high-density defects as highly efficient electrocatalysts for methanol oxidation reaction. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
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Affiliation(s)
- Falk Muench
- Department of Materials and Earth Sciences Technical University of Darmstadt Alarich-Weiss-Straße 2 64287 Darmstadt Germany
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Russakova AV, Altynbaeva LS, Barsbay M, Zheltov DA, Zdorovets MV, Mashentseva AA. Kinetic and Isotherm Study of As(III) Removal from Aqueous Solution by PET Track-Etched Membranes Loaded with Copper Microtubes. MEMBRANES 2021; 11:116. [PMID: 33562130 PMCID: PMC7914724 DOI: 10.3390/membranes11020116] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 01/26/2021] [Accepted: 02/01/2021] [Indexed: 12/15/2022]
Abstract
This paper reports on the synthesis and structure elucidation of track-etched membranes (TeMs) with electrolessly deposited copper microtubes (prepared in etched-only and oxidized polyethylene terephthalate (PET) TeMs), as well as on the comparative testing of arsenic (III) ion removal capacities through bath adsorption experiments. The structure and composition of composites were investigated by X-ray diffraction technique and scanning electron and atomic force microscopies. It was determined that adsorption followed pseudo-second-order kinetics, and the adsorption rate constants were calculated. A comparative study of the applicability of the adsorption models of Langmuir, Freundlich, and Dubinin-Radushkevich was carried out in order to describe the experimental isotherms of the prepared composite TeMs. The constants and parameters of all of the above equations were determined. By comparing the regression coefficients R2, it was shown that the Freundlich model describes the experimental data on the adsorption of arsenic through the studied samples better than others. Free energy of As(III) adsorption on the samples was determined using the Dubinin-Radushkevich isotherm model and was found to be 17.2 and 31.6 kJ/mol for Cu/PET and Cu/Ox_PET samples, respectively. The high EDr value observed for the Cu/Ox_PET composite indicates that the interaction between the adsorbate and the composite is based on chemisorption.
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Affiliation(s)
- Alyona V. Russakova
- The School of Information Technologies and Intelligent Systems, D.Serikbayev East Kazakhstan State Technical University, 070004 Ust-Kamenogorsk, Kazakhstan;
| | - Liliya Sh. Altynbaeva
- The Institute of Nuclear Physics of the Republic of Kazakhstan, 050032 Almaty, Kazakhstan; (L.S.A.); (D.A.Z.); (M.V.Z.)
- Department of Chemistry, L.N. Gumilyov Eurasian National University, 010008 Nur-Sultan, Kazakhstan
| | - Murat Barsbay
- Department of Chemistry, Hacettepe University, 06800 Ankara, Turkey;
| | - Dmitriy A. Zheltov
- The Institute of Nuclear Physics of the Republic of Kazakhstan, 050032 Almaty, Kazakhstan; (L.S.A.); (D.A.Z.); (M.V.Z.)
| | - Maxim V. Zdorovets
- The Institute of Nuclear Physics of the Republic of Kazakhstan, 050032 Almaty, Kazakhstan; (L.S.A.); (D.A.Z.); (M.V.Z.)
- Department of Intelligent Information Technologies, The Ural Federal University, 620002 Yekaterinburg, Russia
- Engineering Profile Laboratory, L.N. Gumilyov Eurasian National University, 010008 Nur-Sultan, Kazakhstan
| | - Anastassiya A. Mashentseva
- The Institute of Nuclear Physics of the Republic of Kazakhstan, 050032 Almaty, Kazakhstan; (L.S.A.); (D.A.Z.); (M.V.Z.)
- Department of Chemistry, L.N. Gumilyov Eurasian National University, 010008 Nur-Sultan, Kazakhstan
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Mashentseva AA, Barsbay M, Aimanova NA, Zdorovets MV. Application of Silver-Loaded Composite Track-Etched Membranes for Photocatalytic Decomposition of Methylene Blue under Visible Light. MEMBRANES 2021; 11:60. [PMID: 33467710 PMCID: PMC7830284 DOI: 10.3390/membranes11010060] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 01/08/2021] [Accepted: 01/12/2021] [Indexed: 12/15/2022]
Abstract
In this study, the use of composite track-etched membranes (TeMs) based on polyethylene terephthalate (PET) and electrolessly deposited silver microtubes (MTs) for the decomposition of toxic phenothiazine cationic dye, methylene blue (MB), under visible light was investigated. The structure and composition of the composite membranes were elucidated by scanning electron microscopy, energy dispersive spectroscopy, and X-ray diffraction technique. Under visible light irradiation, composite membrane with embedded silver MTs (Ag/PET) displayed high photocatalytic efficiency. The effects of various parameters such as initial dye concentration, temperature, and sample exposure time on the photocatalytic degradation process were studied. The decomposition reaction of MB was found to follow the Langmuir-Hinshelwood mechanism and a pseudo-first-order kinetic model. The degradation kinetics of MB accelerated with increasing temperature and activation energy, E a, was calculated to be 20.6 kJ/mol. The reusability of the catalyst was also investigated for 11 consecutive runs without any activation and regeneration procedures. The Ag/PET composite performed at high degradation efficiency of over 68% after 11 consecutive uses.
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Affiliation(s)
- Anastassiya A. Mashentseva
- The Institute of Nuclear Physics of the Republic of Kazakhstan, Ibragimov Str., 1, Almaty 050032, Kazakhstan; (N.A.A.); (M.V.Z.)
| | - Murat Barsbay
- Department of Chemistry, Hacettepe University, 06800 Beytepe, Ankara, Turkey;
| | - Nurgulim A. Aimanova
- The Institute of Nuclear Physics of the Republic of Kazakhstan, Ibragimov Str., 1, Almaty 050032, Kazakhstan; (N.A.A.); (M.V.Z.)
- Engineering Profile Laboratory, L.N. Gumilyov Eurasian National University, Satpaev Str., 5, Nur-Sultan 010008, Kazakhstan
| | - Maxim V. Zdorovets
- The Institute of Nuclear Physics of the Republic of Kazakhstan, Ibragimov Str., 1, Almaty 050032, Kazakhstan; (N.A.A.); (M.V.Z.)
- Engineering Profile Laboratory, L.N. Gumilyov Eurasian National University, Satpaev Str., 5, Nur-Sultan 010008, Kazakhstan
- Department of Intelligent Information Technologies, The Ural Federal University Named after the First President of Russia B. N. Yeltsin, Mira Str. 19, 620002 Yekaterinburg, Russia
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Scheuerlein MC, Muench F, Kunz U, Hellmann T, Hofmann JP, Ensinger W. Electroless Nanoplating of Iridium: Template‐Assisted Nanotube Deposition for the Continuous Flow Reduction of 4‐Nitrophenol. ChemElectroChem 2020. [DOI: 10.1002/celc.202000811] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Martin Christoph Scheuerlein
- Technical University of DarmstadtDepartment of Materials and Earth Sciences Alarich-Weiss-Strasse 2 64287 Darmstadt Germany
| | - Falk Muench
- Technical University of DarmstadtDepartment of Materials and Earth Sciences Alarich-Weiss-Strasse 2 64287 Darmstadt Germany
| | - Ulrike Kunz
- Technical University of DarmstadtDepartment of Materials and Earth Sciences Alarich-Weiss-Strasse 2 64287 Darmstadt Germany
| | - Tim Hellmann
- Technical University of DarmstadtSurface Science LaboratoryDepartment of Materials and Earth Sciences Otto-Berndt-Strasse 3 64287 Darmstadt Germany
| | - Jan P. Hofmann
- Technical University of DarmstadtSurface Science LaboratoryDepartment of Materials and Earth Sciences Otto-Berndt-Strasse 3 64287 Darmstadt Germany
| | - Wolfgang Ensinger
- Technical University of DarmstadtDepartment of Materials and Earth Sciences Alarich-Weiss-Strasse 2 64287 Darmstadt Germany
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Mashentseva AA, Barsbay M, Zdorovets MV, Zheltov DA, Güven O. Cu/CuO Composite Track-Etched Membranes for Catalytic Decomposition of Nitrophenols and Removal of As(III). NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1552. [PMID: 32784726 PMCID: PMC7466412 DOI: 10.3390/nano10081552] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 08/01/2020] [Accepted: 08/05/2020] [Indexed: 11/17/2022]
Abstract
One of the promising applications of nanomaterials is to use them as catalysts and sorbents to remove toxic pollutants such as nitroaromatic compounds and heavy metal ions for environmental protection. This work reports the synthesis of Cu/CuO-deposited composite track-etched membranes through low-temperature annealing and their application in catalysis and sorption. The synthesized Cu/CuO/poly(ethylene terephthalate) (PET) composites presented efficient catalytic activity with high conversion yield in the reduction of nitro aryl compounds to their corresponding amino derivatives. It has been found that increasing the time of annealing raises the ratio of the copper(II) oxide (CuO) tenorite phase in the structure, which leads to a significant increase in the catalytic activity of the composites. The samples presented maximum catalytic activity after 5 h of annealing, where the ratio of CuO phase and the degree of crystallinity were 64.3% and 62.7%, respectively. The catalytic activity of pristine and annealed composites was tested in the reduction of 4-nitroaniline and was shown to remain practically unchanged for five consecutive test cycles. Composites annealed at 140 °C were also tested for their capacity to absorb arsenic(III) ions in cross-flow mode. It was observed that the sorption capacity of composite membranes increased by 48.7% compared to the pristine sample and reached its maximum after 10 h of annealing, then gradually decreased by 24% with further annealing.
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Affiliation(s)
- Anastassiya A. Mashentseva
- The Institute of Nuclear Physics of the Republic of Kazakhstan, Ibragimov str., 1, Almaty 050032, Kazakhstan; (M.V.Z.); (D.A.Z.)
- Engineering Profile Laboratory, L.N. Gumilyov Eurasian National University, Satpaev str., 5, Nur-Sultan 010008, Kazakhstan
| | - Murat Barsbay
- Department of Chemistry, Hacettepe University, 06800 Ankara, Turkey; (M.B.); (O.G.)
| | - Maxim V. Zdorovets
- The Institute of Nuclear Physics of the Republic of Kazakhstan, Ibragimov str., 1, Almaty 050032, Kazakhstan; (M.V.Z.); (D.A.Z.)
- Engineering Profile Laboratory, L.N. Gumilyov Eurasian National University, Satpaev str., 5, Nur-Sultan 010008, Kazakhstan
- Department of Intelligent Information Technologies, Ural Federal University Named after the First President of Russia B. N. Yeltsin, Mira str. 19, 620002 Yekaterinburg, Russia
| | - Dmitriy A. Zheltov
- The Institute of Nuclear Physics of the Republic of Kazakhstan, Ibragimov str., 1, Almaty 050032, Kazakhstan; (M.V.Z.); (D.A.Z.)
| | - Olgun Güven
- Department of Chemistry, Hacettepe University, 06800 Ankara, Turkey; (M.B.); (O.G.)
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K. Sahoo M, Shanmugam R, Umeshbabu E, Ranga Rao G. Activated ZrC Promotes the Methanol Electro‐oxidation Activity and Enhances Poison Tolerance of Pt Nanoparticles in Acidic Medium. ChemistrySelect 2020. [DOI: 10.1002/slct.202001581] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Malaya K. Sahoo
- Department of Chemistry and DST-Solar Energy Harnessing Centre (DSEHC)Indian Institute of Technology Madras Chennai 600036 India
| | - Ramasamy Shanmugam
- Department of Chemistry and DST-Solar Energy Harnessing Centre (DSEHC)Indian Institute of Technology Madras Chennai 600036 India
| | - Ediga Umeshbabu
- Department of Chemistry and DST-Solar Energy Harnessing Centre (DSEHC)Indian Institute of Technology Madras Chennai 600036 India
| | - G. Ranga Rao
- Department of Chemistry and DST-Solar Energy Harnessing Centre (DSEHC)Indian Institute of Technology Madras Chennai 600036 India
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