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Rathinam Thiruppathi Venkadajapathy V, Sivaperumal S. Tailoring functional two-dimensional nanohybrids: A comprehensive approach for enhancing photocatalytic remediation. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 275:116221. [PMID: 38547728 DOI: 10.1016/j.ecoenv.2024.116221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 02/07/2024] [Accepted: 03/14/2024] [Indexed: 04/12/2024]
Abstract
Photocatalysis is gaining prominence as a viable alternative to conventional biohazard treatment technologies. Two-dimensional (2D) nanomaterials have become crucial for fabricating novel photocatalysts due to their nanosheet architectures, large surface areas, and remarkable physicochemical properties. Furthermore, a variety of applications are possible with 2D nanomaterials, either in combination with other functional nanoparticles or by utilizing their inherent properties. Henceforth, the review commences its exploration into the synthesis of these materials, delving into their inherent properties and assessing their biocompatibility. Subsequently, an overview of mechanisms involved in the photocatalytic degradation of pollutants and the processes related to antimicrobial action is presented. As an integral part of our review, we conduct a systematic analysis of existing challenges and various types of 2D nanohybrid materials tailored for applications in the photocatalytic degradation of contaminants and the inactivation of pathogens through photocatalysis. This investigation will aid to contribute to the formulation of decision-making criteria and design principles for the next generation of 2D nanohybrid materials. Additionally, it is crucial to emphasize that further research is imperative for advancing our understanding of 2D nanohybrid materials.
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Zhao X, Jiang H, Xiao Y, Zhong M. Synthesis of polyoxometalate-pillared Zn-Cr layered double hydroxides for photocatalytic CO 2 reduction and H 2O oxidation. NANOSCALE ADVANCES 2024; 6:1241-1245. [PMID: 38356623 PMCID: PMC10863713 DOI: 10.1039/d3na01024d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 12/29/2023] [Indexed: 02/16/2024]
Abstract
Polyoxometalate (POM)-pillared Zn-Cr layered double hydroxides (LDHs) exhibited high photocatalytic activities in CO2 reduction and H2O oxidation reactions. For CO2 reduction in pure water, the CO production was 1.17 μmol g-1 after a 24 h reaction. For O2 evolution in NaIO3 solution, the O2 production reached 148.1 μmol g-1 after a 6 hour reaction. A mechanism study indicated that the electron transfer from Zn-Cr LDHs to POMs (SiW12O404-) promoted photocatalytic activities.
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Affiliation(s)
- Xiaotong Zhao
- College of Engineering and Applied Sciences, The Frontiers Science Center for Critical Earth Material Cycling, Nanjing University Nanjing China
| | - Haoyang Jiang
- College of Engineering and Applied Sciences, The Frontiers Science Center for Critical Earth Material Cycling, Nanjing University Nanjing China
| | - Yongcheng Xiao
- College of Engineering and Applied Sciences, The Frontiers Science Center for Critical Earth Material Cycling, Nanjing University Nanjing China
| | - Miao Zhong
- College of Engineering and Applied Sciences, The Frontiers Science Center for Critical Earth Material Cycling, Nanjing University Nanjing China
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Shinde RB, Padalkar NS, Sadavar SV, Kale SB, Magdum VV, Chitare YM, Kulkarni SP, Patil UM, Parale VG, Park HH, Gunjakar JL. 2D-2D lattice engineering route for intimately coupled nanohybrids of layered double hydroxide and potassium hexaniobate: Chemiresistive SO 2 sensor. JOURNAL OF HAZARDOUS MATERIALS 2022; 432:128734. [PMID: 35334269 DOI: 10.1016/j.jhazmat.2022.128734] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 03/05/2022] [Accepted: 03/15/2022] [Indexed: 06/14/2023]
Abstract
2D-2D lattice engineering route is used to synthesize intimately coupled nanohybrids of layered double hydroxide (LDH) and potassium hexaniobate. The 2D-2D lattice engineering route is based on the electrostatically derived self-assembly of delaminated zinc-chromium-layered double hydroxide (ZC-LDH) nanosheets and potassium hexaniobate (HNb) nanosheets (ZCNb nanohybrids). The 2D-2D lattice-engineered ZCNb nanohybrids display expanded surface area, mesoporous anchored nanosheets network morphology, and intimate coupling between nanosheets. The 2D-2D lattice engineered ZCNb nanohybrids are used for the low temperature operated gas sensor. The ZCNb nanohybrids display outstanding selectivity for the SO2, with the high response of 61.5% compared to pristine ZC-LDH (28.08%) and potassium niobate (8%) at 150 °C. Moreover, ZCNb sensors demonstrate superior response and recovery periods of 6 and 167 s at 150 °C, respectively. This result underscores the exceptional functionality of the ZCNb nanohybrids as efficient SO2 sensors. Moreover, these findings vividly demonstrate that the 2D-2D lattice-engineered ZCNb nanohybrids are quite effective not only in improving the gas sensor activity but also in developing of new type of intimately coupled mesoporous LDH-metal-oxide based hybrid materials.
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Affiliation(s)
- Rohini B Shinde
- Centre for Interdisciplinary Research, D. Y. Patil Education Society (Institution Deemed to be University), Kolhapur 416 006, Maharastra, India
| | - Navnath S Padalkar
- Centre for Interdisciplinary Research, D. Y. Patil Education Society (Institution Deemed to be University), Kolhapur 416 006, Maharastra, India
| | - Shrikant V Sadavar
- Centre for Interdisciplinary Research, D. Y. Patil Education Society (Institution Deemed to be University), Kolhapur 416 006, Maharastra, India
| | - Shital B Kale
- Centre for Interdisciplinary Research, D. Y. Patil Education Society (Institution Deemed to be University), Kolhapur 416 006, Maharastra, India
| | - Vikas V Magdum
- Centre for Interdisciplinary Research, D. Y. Patil Education Society (Institution Deemed to be University), Kolhapur 416 006, Maharastra, India
| | - Yogesh M Chitare
- Centre for Interdisciplinary Research, D. Y. Patil Education Society (Institution Deemed to be University), Kolhapur 416 006, Maharastra, India
| | - Shirin P Kulkarni
- Centre for Interdisciplinary Research, D. Y. Patil Education Society (Institution Deemed to be University), Kolhapur 416 006, Maharastra, India
| | - Umakant M Patil
- Centre for Interdisciplinary Research, D. Y. Patil Education Society (Institution Deemed to be University), Kolhapur 416 006, Maharastra, India
| | - Vinayak G Parale
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, South Korea
| | - Hyung-Ho Park
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, South Korea
| | - Jayavant L Gunjakar
- Centre for Interdisciplinary Research, D. Y. Patil Education Society (Institution Deemed to be University), Kolhapur 416 006, Maharastra, India.
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Layer-by-layer nanohybrids of Ni-Cr-LDH intercalated with 0D polyoxotungstate for highly efficient hybrid supercapacitor. J Colloid Interface Sci 2022; 616:548-559. [DOI: 10.1016/j.jcis.2022.02.091] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 02/12/2022] [Accepted: 02/19/2022] [Indexed: 11/19/2022]
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Samuei S, Sadigh Akbari S, Ülker E, Karadas F. Effect of cobalt doping on photocatalytic water splitting activity of NiTi-layered double hydroxide. Catal Sci Technol 2022. [DOI: 10.1039/d2cy00148a] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Cobalt-doping a NiTi layered double hydroxide affords CoNiTi-LDH with smaller plate sizes and a higher degree of order, which allows the band gap to shrink from 2.7 eV to 2.4 eV. CoNiTi-LDH is active for both water oxidation and reduction.
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Affiliation(s)
- Sara Samuei
- Department of Chemistry, Faculty of Science, Bilkent University, Ankara 06800, Turkey
| | - Sina Sadigh Akbari
- Department of Chemistry, Faculty of Science, Bilkent University, Ankara 06800, Turkey
| | - Emine Ülker
- Department of Chemistry, Faculty of Arts & Science, Recep Tayyip Erdogan University, Rize, Turkey
| | - Ferdi Karadas
- Department of Chemistry, Faculty of Science, Bilkent University, Ankara 06800, Turkey
- UNAM – National Nanotechnology Research Center, Institute of Materials Science and Nanotechnology, Bilkent University, Ankara 06800, Turkey
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Fabrication of visible-light-active ZnCr mixed metal oxide/fly ash for photocatalytic activity toward pharmaceutical waste ciprofloxacin. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.01.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Miyoshi A, Shimoyama Y, Mogi H, Ubukata H, Hirayama N, Tanaka A, Arai K, Morita S, Yui T, Uchida S, Motohashi T, Inaguma Y, Kageyama H, Maeda K. Photocatalytic Water Oxidation by Phosphotungstate and Mg-Al Layered Double Hydroxide Hybrid. CHEM LETT 2021. [DOI: 10.1246/cl.210621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Akinobu Miyoshi
- Department of Chemistry, School of Science, Tokyo Institute of Technology, 2-12-1-NE-2 Ookayama, Meguro-ku, Tokyo 152-8550
- Japan Society for the Promotion of Science, Kojimachi Business Center Building, Tokyo 102-0083
| | - Yuto Shimoyama
- Japan Society for the Promotion of Science, Kojimachi Business Center Building, Tokyo 102-0083
- Department of Basic Science, School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902
| | - Hiroto Mogi
- Department of Chemistry, School of Science, Tokyo Institute of Technology, 2-12-1-NE-2 Ookayama, Meguro-ku, Tokyo 152-8550
| | - Hiroki Ubukata
- Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510
| | - Naoki Hirayama
- Department of Chemistry, School of Science, Tokyo Institute of Technology, 2-12-1-NE-2 Ookayama, Meguro-ku, Tokyo 152-8550
| | - Ayu Tanaka
- Department of Materials Science and Technology, Faculty of Engineering, Niigata University, 8050 Ikarashi-2, Niigata 950-2181
| | - Kenji Arai
- Graduate School of Engineering, Kanagawa University, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama 221-8686
| | - Soichiro Morita
- Department of Chemistry, Faculty of Science, Gakushuin University, 1-5-1 Mejiro, Toshima-ku, Tokyo 171-8588
| | - Tatsuto Yui
- Department of Materials Science and Technology, Faculty of Engineering, Niigata University, 8050 Ikarashi-2, Niigata 950-2181
| | - Sayaka Uchida
- Department of Basic Science, School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902
| | - Teruki Motohashi
- Graduate School of Engineering, Kanagawa University, 3-27-1 Rokkakubashi, Kanagawa-ku, Yokohama 221-8686
| | - Yoshiyuki Inaguma
- Department of Chemistry, Faculty of Science, Gakushuin University, 1-5-1 Mejiro, Toshima-ku, Tokyo 171-8588
| | - Hiroshi Kageyama
- Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510
| | - Kazuhiko Maeda
- Department of Chemistry, School of Science, Tokyo Institute of Technology, 2-12-1-NE-2 Ookayama, Meguro-ku, Tokyo 152-8550
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Gao R, Zhu J, Yan D. Transition metal-based layered double hydroxides for photo(electro)chemical water splitting: a mini review. NANOSCALE 2021; 13:13593-13603. [PMID: 34477633 DOI: 10.1039/d1nr03409j] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
The conversion of solar energy into usable chemical fuels, such as hydrogen gas, via photo(electro)chemical water splitting is a promising approach for creating a carbon neutral energy ecosystem. The deployment of this technology industrially and at scale requires photoelectrodes that are highly active, cost-effective, and stable. To create these new photoelectrodes, transition metal-based electrocatalysts have been proposed as potential cocatalysts for improving the performance of water splitting catalysts. Layered double hydroxides (LDHs) are a class of clays with brucite like layers and intercalated anions. Transition metal-based LDHs are increasingly popular in the field of photo(electro)chemical water splitting due to their unique physicochemical properties. This article aims to review recent advances in transition metal-based LDHs for photo(electro)chemical water splitting. This article provides a brief overview of the research in a format approachable for the general scientific audience. Specifically, this review examines the following areas: (i) routes for synthesis of transition metal-based LDHs, (ii) recent developments in transition metal-based LDHs for photo(electro)chemical water splitting, and (iii) an overview of the structure-property relationships therein.
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Affiliation(s)
- Rui Gao
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, and Key Laboratory of Radiopharmaceuticals, Ministry of Education, Beijing Normal University, Beijing 100875, P. R. China.
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Akbari SS, Karadas F. Precious Metal-Free Photocatalytic Water Oxidation by a Layered Double Hydroxide-Prussian Blue Analogue Hybrid Assembly. CHEMSUSCHEM 2021; 14:679-685. [PMID: 33159387 DOI: 10.1002/cssc.202002279] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 11/04/2020] [Indexed: 06/11/2023]
Abstract
The development of earth-abundant photocatalytic assemblies has been one of the bottlenecks for the advancement of scalable water splitting cells. In this study, a ZnCr layered double hydroxide and a CoFe Prussian blue analogue are combined to afford an earth-abundant photocatalytic assembly involving a visible light-absorbing semiconductor (SC) and a water oxidation catalyst (WOC). Compared to bare ZnCr-LDH, the SC-WOC hybrid assembly exhibits a threefold enhancement in photocatalytic activity, which is maintained for 6 h under photocatalytic conditions at pH 7. The band energy diagram was extracted from optical and electrochemical studies to elucidate the origin of the enhanced photocatalytic performance. This study marks a straightforward pathway to develop low-cost and precious metal-free assemblies for visible light-driven water oxidation.
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Affiliation(s)
- Sina Sadigh Akbari
- Department of Chemistry, Faculty of Science, Bilkent University, 06800, Ankara, Turkey
| | - Ferdi Karadas
- Department of Chemistry, Faculty of Science, Bilkent University, 06800, Ankara, Turkey
- UNAM - National Nanotechnology Research Center, Institute of Materials Science and Nanotechnology, Bilkent University, 06800, Ankara, Turkey
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Kazimierczuk K, Milanesio M, Dołęga A, Palin L, Walencik M, Jurkowski M, Conterosito E. Solvothermal synthesis and structural characterization of three polyoxotitanium-organic acid clusters. RSC Adv 2021; 11:25068-25078. [PMID: 35481040 PMCID: PMC9037011 DOI: 10.1039/d0ra09691a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Accepted: 07/05/2021] [Indexed: 01/20/2023] Open
Abstract
Three new titanium oxo-clusters Ti4O2(OiPr)10(OOCPhMe)2 (I), Ti6O4(OEt)8(OOCPhMe)8 (II) and Ti6O6(OEt)6(OOCCHPh2)6 (III) were obtained by easy one-step solvothermal reactions of titanium(iv) isopropoxide, alcohols and carboxylic acids. The three compounds were characterized by single-crystal and powder X-ray diffraction, TGA/DSC, optical and electron microscopy, and FTIR and NMR spectroscopy. X-ray powder diffraction and spectroscopy confirmed the purity of the compounds. Structural analysis indicates that in all compounds the titanium(iv) ions are six-coordinated (distorted octahedra). (I) is a tetranuclear complex containing a Ti4(μ4-O)(μ2-O) core, which is linked by two (μ2-OOCPhMe), four (μ2-OiPr) and six OiPr ligands. (II) and (III) are hexanuclear complexes with different cores, respectively Ti6(μ3-O)2(μ2-O)2 and Ti6(μ3-O)6. The coordination sphere of the Ti atoms is filled by eight (μ2-OOCPhMe), two (μ2-OEt) and six OEt in (II) and six (μ2-OOCHPh2) and six OEt in (III). Different steric hindrance of substituents attached to the carboxyl group or different concentrations lead to three main different cluster geometries with two ligands. The tetranuclear and the hexanuclear clusters were obtained with the OOCPhMe ligand, while the hexagonal prism cluster was obtained with the OOCCHPh2 ligand. Hirshfeld surface calculations indicated that the packing is driven by C–O⋯H–C weak hydrogen bonds. The clusters can be used as molecular models of organic molecules bonded to titania surface, used in organic photovoltaic (dye sensitized solar cells) or other optoelectronic applications. Crystal structures of three novel titanium oxo-clusters with different cores and ligands obtained by an easy and convenient solvothermal method.![]()
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Affiliation(s)
- Katarzyna Kazimierczuk
- Department of Inorganic Chemistry
- Chemical Faculty
- Gdańsk University of Technology
- 80-233 Gdańsk
- Poland
| | - Marco Milanesio
- Dipartimento di Scienze e Innovazione Tecnologica
- 15121 Alessandria
- Italy
| | - Anna Dołęga
- Department of Inorganic Chemistry
- Chemical Faculty
- Gdańsk University of Technology
- 80-233 Gdańsk
- Poland
| | - Luca Palin
- Dipartimento di Scienze e Innovazione Tecnologica
- 15121 Alessandria
- Italy
- Nova Res s.r.l
- 28100 Novara
| | - Maja Walencik
- Department of Inorganic Chemistry
- Chemical Faculty
- Gdańsk University of Technology
- 80-233 Gdańsk
- Poland
| | - Michał Jurkowski
- Department of Inorganic Chemistry
- Chemical Faculty
- Gdańsk University of Technology
- 80-233 Gdańsk
- Poland
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Rodriguez-Rivas F, Pastor A, de Miguel G, Cruz-Yusta M, Pavlovic I, Sánchez L. Cr 3+ substituted Zn-Al layered double hydroxides as UV-Vis light photocatalysts for NO gas removal from the urban environment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 706:136009. [PMID: 31846878 DOI: 10.1016/j.scitotenv.2019.136009] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Revised: 12/06/2019] [Accepted: 12/06/2019] [Indexed: 06/10/2023]
Abstract
The ZnAl-CO3, ZnAlCr-CO3 and ZnCr-CO3 LDH samples were studied as De-NOx photocatalysts in this work. Samples without Cr and increasing the presence of Cr3+ in the LDH framework in the 0.06, 0.15 and 0.3 Cr/Zn ratio were prepared by co-precipitation method, all of them constituted by pure LDH phase. The increase of chromium content in the LDH framework leads to lower crystallinity and higher specific surface area in the samples. Moreover, the CrO6 octahedron centres expand the photo-activity from UV to Visible light and assist to decrease the recombination rate of the electrons and holes. The favourable textural, optical and electronic properties of Cr-containing LDH samples explain the good NO removal efficiency (55%) and outstanding selectivity (90%) found for the analysed De-NOx process.
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Affiliation(s)
- Fredy Rodriguez-Rivas
- Departamento de Química Inorgánica, Instituto Universitario de Nanoquímica IUNAN, Universidad de Córdoba, Campus de Rabanales, E-14014 Córdoba, Spain; Departamento de Química, Facultad de Química y Farmacia, Universidad Nacional Autónoma de Honduras (UNAH), Tegucigalpa, Honduras
| | - Adrián Pastor
- Departamento de Química Inorgánica, Instituto Universitario de Nanoquímica IUNAN, Universidad de Córdoba, Campus de Rabanales, E-14014 Córdoba, Spain
| | - Gustavo de Miguel
- Departamento de Química Física y Termodinámica Aplicada, Instituto Universitario de Nanoquímica IUNAN, Universidad de Córdoba, Campus de Rabanales, E-14014 Córdoba, Spain
| | - Manuel Cruz-Yusta
- Departamento de Química Inorgánica, Instituto Universitario de Nanoquímica IUNAN, Universidad de Córdoba, Campus de Rabanales, E-14014 Córdoba, Spain
| | - Ivana Pavlovic
- Departamento de Química Inorgánica, Instituto Universitario de Nanoquímica IUNAN, Universidad de Córdoba, Campus de Rabanales, E-14014 Córdoba, Spain
| | - Luis Sánchez
- Departamento de Química Inorgánica, Instituto Universitario de Nanoquímica IUNAN, Universidad de Córdoba, Campus de Rabanales, E-14014 Córdoba, Spain.
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Akram B, Shi W, Zhang H, Ullah S, Khurram M, Wang X. Free-Standing CoO-POM Janus-like Ultrathin Nanosheets. Angew Chem Int Ed Engl 2019; 59:8497-8501. [PMID: 31573137 DOI: 10.1002/anie.201910741] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Indexed: 01/02/2023]
Abstract
A single-step solution-based strategy is used to obtain 2D Janus-like free-standing ultrathin nanosheets build from two structurally unrelated species, that is, polyoxomolybdate (POM) and CoO. A controlled 2D-to-1D morphological transition was achieved by judiciously adjusting the solvent choice. These POM-CoO heterostructures can behave as an ideal catalyst for the epoxidation of styrene. Benefiting from their amphiphilic nature, these 2D POM-CoO nanosheets have also been used as surfactant to emulsify immiscible solvents. It is anticipated that structurally diverse polyoxometalates will offer promise as design elements for variety of structurally and compositionally tunable van der Waals integrated heteromaterials having a broad range applications.
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Affiliation(s)
- Bilal Akram
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Wenxiong Shi
- School of Materials Science and Engineering, State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin Polytechnic University, Tianjin, 300387, China
| | - Hao Zhang
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Shaheed Ullah
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Muhammad Khurram
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Xun Wang
- Key Lab of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
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Akram B, Shi W, Zhang H, Ullah S, Khurram M, Wang X. Free‐Standing CoO‐POM Janus‐like Ultrathin Nanosheets. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201910741] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Bilal Akram
- Key Lab of Organic Optoelectronics and Molecular Engineering Department of Chemistry Tsinghua University Beijing 100084 China
| | - Wenxiong Shi
- School of Materials Science and Engineering State Key Laboratory of Separation Membranes and Membrane Processes Tianjin Polytechnic University Tianjin 300387 China
| | - Hao Zhang
- Key Lab of Organic Optoelectronics and Molecular Engineering Department of Chemistry Tsinghua University Beijing 100084 China
| | - Shaheed Ullah
- Key Lab of Organic Optoelectronics and Molecular Engineering Department of Chemistry Tsinghua University Beijing 100084 China
| | - Muhammad Khurram
- Key Lab of Organic Optoelectronics and Molecular Engineering Department of Chemistry Tsinghua University Beijing 100084 China
| | - Xun Wang
- Key Lab of Organic Optoelectronics and Molecular Engineering Department of Chemistry Tsinghua University Beijing 100084 China
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Jo YK, Lee JM, Son S, Hwang SJ. 2D inorganic nanosheet-based hybrid photocatalysts: Design, applications, and perspectives. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C-PHOTOCHEMISTRY REVIEWS 2019. [DOI: 10.1016/j.jphotochemrev.2018.03.002] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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15
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Pazoki F, Mehraban JA, Shamsayei M, Bakhshi B, Esfandiarpour R, Miraki MK, Heydari A. Aza‐Michael Addition of 5‐Substituted Tetrazole Catalysed By a Novel Nanoparticle Solid Base Catalyst Involving a Layered Zinc Hydroxide Supported on a Ferrite Core. ChemistrySelect 2019. [DOI: 10.1002/slct.201804070] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Farzane Pazoki
- Department of ChemicalFaculty of SciencesTarbiat Modares University Tehran 14117–13116 Iran
| | | | - Maryam Shamsayei
- Department of ChemicalFaculty of SciencesTarbiat Modares University Tehran 14117–13116 Iran
| | - Bita Bakhshi
- Department of BacteriologyFaculty of Medical SciencesTarbiat Modares University Tehran 14117–13116 Iran
| | - Razieh Esfandiarpour
- Department of ChemicalFaculty of SciencesTarbiat Modares University Tehran 14117–13116 Iran
| | - Maryam Kazemi Miraki
- Department of ChemicalFaculty of SciencesTarbiat Modares University Tehran 14117–13116 Iran
| | - Akbar Heydari
- Department of ChemicalFaculty of SciencesTarbiat Modares University Tehran 14117–13116 Iran
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Heard CJ, Čejka J, Opanasenko M, Nachtigall P, Centi G, Perathoner S. 2D Oxide Nanomaterials to Address the Energy Transition and Catalysis. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1801712. [PMID: 30132995 DOI: 10.1002/adma.201801712] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 05/18/2018] [Indexed: 05/24/2023]
Abstract
2D oxide nanomaterials constitute a broad range of materials, with a wide array of current and potential applications, particularly in the fields of energy storage and catalysis for sustainable energy production. Despite the many similarities in structure, composition, and synthetic methods and uses, the current literature on layered oxides is diverse and disconnected. A number of reviews can be found in the literature, but they are mostly focused on one of the particular subclasses of 2D oxides. This review attempts to bridge the knowledge gap between individual layered oxide types by summarizing recent developments in all important 2D oxide systems including supported ultrathin oxide films, layered clays and double hydroxides, layered perovskites, and novel 2D-zeolite-based materials. Particular attention is paid to the underlying similarities and differences between the various materials, and the subsequent challenges faced by each research community. The potential of layered oxides toward future applications is critically evaluated, especially in the areas of electrocatalysis and photocatalysis, biomass conversion, and fine chemical synthesis. Attention is also paid to corresponding novel 3D materials that can be obtained via sophisticated engineering of 2D oxides.
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Affiliation(s)
- Christopher J Heard
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, 128 43, Prague 2, Czech Republic
| | - Jiří Čejka
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, 128 43, Prague 2, Czech Republic
- J. Heyrovský Institute of Physical Chemistry, Czech Academy of Science, Dolejškova 3, 182 23, Prague 8, Czech Republic
| | - Maksym Opanasenko
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, 128 43, Prague 2, Czech Republic
| | - Petr Nachtigall
- Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University in Prague, Hlavova 8, 128 43, Prague 2, Czech Republic
| | - Gabriele Centi
- Dept.s MIFT and ChiBioFarAm-Industrial Chemistry, University of Messina, ERIC aisbl and CASPE/INSTM, V.le F. Stagno S'Alcontres 31, 98166, Messina, Italy
| | - Siglinda Perathoner
- Dept.s MIFT and ChiBioFarAm-Industrial Chemistry, University of Messina, ERIC aisbl and CASPE/INSTM, V.le F. Stagno S'Alcontres 31, 98166, Messina, Italy
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17
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Gunjakar JL, Hou B, Inamdar AI, Pawar SM, Ahmed ATA, Chavan HS, Kim J, Cho S, Lee S, Jo Y, Hwang SJ, Kim TG, Cha S, Kim H, Im H. Two-Dimensional Layered Hydroxide Nanoporous Nanohybrids Pillared with Zero-Dimensional Polyoxovanadate Nanoclusters for Enhanced Water Oxidation Catalysis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1703481. [PMID: 30371003 DOI: 10.1002/smll.201703481] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Revised: 10/11/2018] [Indexed: 06/08/2023]
Abstract
The oxygen-evolution reaction (OER) is critical in electrochemical water splitting and requires an efficient, sustainable, and cheap catalyst for successful practical applications. A common development strategy for OER catalysts is to search for facile routes for the synthesis of new catalytic materials with optimized chemical compositions and structures. Here, nickel hydroxide Ni(OH)2 2D nanosheets pillared with 0D polyoxovanadate (POV) nanoclusters as an OER catalyst that can operate in alkaline media are reported. The intercalation of POV nanoclusters into Ni(OH)2 induces the formation of a nanoporous layer-by-layer stacking architecture of 2D Ni(OH)2 nanosheets and 0D POV with a tunable chemical composition. The nanohybrid catalysts remarkably enhance the OER activity of pristine Ni(OH)2 . The present findings demonstrate that the intercalation of 0D POV nanoclusters into Ni(OH)2 is effective for improving water oxidation catalysis and represents a potential method to synthesize novel, porous hydroxide-based nanohybrid materials with superior electrochemical activities.
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Affiliation(s)
- Jayavant L Gunjakar
- Division of Physics and Semiconductor Science, Dongguk University, Seoul, 04620, South Korea
- D. Y. Patil Education society (Deemed to be University), Kolhapur, MS, 416006, India
| | - Bo Hou
- Department of Engineering Science, University of Oxford, Parks Road, OX1 3PJ, UK
| | - Akbar I Inamdar
- Division of Physics and Semiconductor Science, Dongguk University, Seoul, 04620, South Korea
| | - Sambhaji M Pawar
- Division of Physics and Semiconductor Science, Dongguk University, Seoul, 04620, South Korea
| | - Abu Talha Aqueel Ahmed
- Division of Physics and Semiconductor Science, Dongguk University, Seoul, 04620, South Korea
| | - Harish S Chavan
- Division of Physics and Semiconductor Science, Dongguk University, Seoul, 04620, South Korea
| | - Jongmin Kim
- Division of Physics and Semiconductor Science, Dongguk University, Seoul, 04620, South Korea
| | - Sangeun Cho
- Division of Physics and Semiconductor Science, Dongguk University, Seoul, 04620, South Korea
| | - Seongwoo Lee
- Division of Physics and Semiconductor Science, Dongguk University, Seoul, 04620, South Korea
| | - Yongcheol Jo
- Division of Physics and Semiconductor Science, Dongguk University, Seoul, 04620, South Korea
| | - Seong-Ju Hwang
- Center for Intelligent Nano-Bio Materials (CINBM), Department of Chemistry and Nano Sciences, Ewha Womans University, Seoul, 03670, South Korea
| | - Tae Geun Kim
- School of Electrical Engineering, Korea University, Seongbuk-gu, Seoul, 02841, South Korea
| | - SeungNam Cha
- Department of Engineering Science, University of Oxford, Parks Road, OX1 3PJ, UK
| | - Hyungsang Kim
- Division of Physics and Semiconductor Science, Dongguk University, Seoul, 04620, South Korea
| | - Hyunsik Im
- Division of Physics and Semiconductor Science, Dongguk University, Seoul, 04620, South Korea
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18
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Sahoo DP, Nayak S, Reddy KH, Martha S, Parida K. Fabrication of a Co(OH) 2/ZnCr LDH "p-n" Heterojunction Photocatalyst with Enhanced Separation of Charge Carriers for Efficient Visible-Light-Driven H 2 and O 2 Evolution. Inorg Chem 2018. [PMID: 29528221 DOI: 10.1021/acs.inorgchem.7b03213] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Photocatalytic generation of H2 and O2 by water splitting remains a great challenge for clean and sustainable energy. Taking into the consideration promising heterojunction photocatalysts, analogous energy issues have been mitigated to a meaningful extent. Herein, we have architectured a highly efficient bifunctional heterojunction material, i.e., p-type Co(OH)2 platelets with an n-type ZnCr layered double hydroxide (LDH) by an ultrasonication method. Primarily, the Mott-Schottky measurements confirmed the n- and p-type semiconductive properties of LDH and CH material, respectively, with the construction of a p-n heterojunction. The high resolution transmission electron microscopy results suggest that surface modification of ZnCr LDH by Co(OH)2 hexagonal platelets could form a fabulous p-n interfacial region that significantly decreases the energy barrier for O2 and H2 production by effectively separating and transporting photoinduced charge carriers, leading to enhanced photoreactivity. A deep investigation into the mechanism shows that a 30 wt % Co(OH)2-modified ZnCr LDH sample liberates maximum H2 and O2 production in 2 h, i.e., 1115 and 560 μmol, with apparent conversion efficiencies of H2 and O2 evolution of 13.12% and 6.25%, respectively. Remarkable photocatalytic activity with energetic charge pair transfer capability was illustrated by electrochemical impedance spectroscopy, linear sweep voltammetry, and photoluminescence spectra. The present study clearly suggests that low-cost Co(OH)2 platelets are the most crucial semiconductors to provide a new p-n heterojunction photocatalyst for photocatalytic H2 and O2 production on the platform of ZnCr LDH.
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Affiliation(s)
- Dipti Prava Sahoo
- Centre for Nanoscience and Technology , Siksha 'O' Anusandhan (Deemed to be) University , Bhubaneswar 751030 , India
| | - Susanginee Nayak
- Centre for Nanoscience and Technology , Siksha 'O' Anusandhan (Deemed to be) University , Bhubaneswar 751030 , India
| | - K Hemalata Reddy
- Centre for Nanoscience and Technology , Siksha 'O' Anusandhan (Deemed to be) University , Bhubaneswar 751030 , India
| | - Satyabadi Martha
- Centre for Nanoscience and Technology , Siksha 'O' Anusandhan (Deemed to be) University , Bhubaneswar 751030 , India
| | - Kulamani Parida
- Centre for Nanoscience and Technology , Siksha 'O' Anusandhan (Deemed to be) University , Bhubaneswar 751030 , India
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19
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Lee JM, Yang JH, Kwon NH, Jo YK, Choy JH, Hwang SJ. Intercalative hybridization of layered double hydroxide nanocrystals with mesoporous g-C3N4 for enhancing visible light-induced H2 production efficiency. Dalton Trans 2018; 47:2949-2955. [DOI: 10.1039/c7dt03466k] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Highly efficient visible-light-active hybrid photocatalysts with enhanced electronic coupling are synthesized via the intercalative hybridization of Zn–Cr-LDH nanocrystals with mesoporous g-C3N4.
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Affiliation(s)
- Jang Mee Lee
- Center for Hybrid Interfacial Chemical Structure (CICS)
- Department of Chemistry and Nanoscience
- College of Natural Sciences
- Ewha Womans University
- Seoul 03760
| | - Jae-Hun Yang
- Center for Hybrid Interfacial Chemical Structure (CICS)
- Department of Chemistry and Nanoscience
- College of Natural Sciences
- Ewha Womans University
- Seoul 03760
| | - Nam Hee Kwon
- Center for Hybrid Interfacial Chemical Structure (CICS)
- Department of Chemistry and Nanoscience
- College of Natural Sciences
- Ewha Womans University
- Seoul 03760
| | - Yun Kyung Jo
- Center for Hybrid Interfacial Chemical Structure (CICS)
- Department of Chemistry and Nanoscience
- College of Natural Sciences
- Ewha Womans University
- Seoul 03760
| | - Jin-Ho Choy
- Center for Hybrid Interfacial Chemical Structure (CICS)
- Department of Chemistry and Nanoscience
- College of Natural Sciences
- Ewha Womans University
- Seoul 03760
| | - Seong-Ju Hwang
- Center for Hybrid Interfacial Chemical Structure (CICS)
- Department of Chemistry and Nanoscience
- College of Natural Sciences
- Ewha Womans University
- Seoul 03760
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20
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Sahoo DP, Patnaik S, Rath D, Parida KM. Synergistic effects of plasmon induced Ag@Ag3VO4/ZnCr LDH ternary heterostructures towards visible light responsive O2 evolution and phenol oxidation reactions. Inorg Chem Front 2018. [DOI: 10.1039/c7qi00742f] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The SPR effect of monodisperse Ag nanoparticles in Ag@Ag3VO4/ZnCr LDH heterostructures exhibits high photocatalytic activity towards evolution of O2 and oxidation of phenol.
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Affiliation(s)
- Dipti Prava Sahoo
- Centre for Nano Science and Nano Technology
- Siksha O Anusandhan University
- Bhubaneswar-751030
- India
| | - Sulagna Patnaik
- Centre for Nano Science and Nano Technology
- Siksha O Anusandhan University
- Bhubaneswar-751030
- India
| | - Dharitri Rath
- Centre for Nano Science and Nano Technology
- Siksha O Anusandhan University
- Bhubaneswar-751030
- India
| | - K. M. Parida
- Centre for Nano Science and Nano Technology
- Siksha O Anusandhan University
- Bhubaneswar-751030
- India
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21
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Acharya S, Parida K. A Visible Light-Driven Zn/Cr-LaFeO3
Nanocomposite with Enhanced Photocatalytic Activity towards H2
Production and RhB Degradation. ChemistrySelect 2017. [DOI: 10.1002/slct.201701589] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Saumyaprava Acharya
- Centre for Nano Science and Nano Technology; SOA University; Bhubaneswar-751030, Odisha India
| | - Kulamani Parida
- Centre for Nano Science and Nano Technology; SOA University; Bhubaneswar-751030, Odisha India
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22
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Mohapatra L, Patra D, Parida K, Zaidi SJ. Enhanced Photocatalytic Activity of a Molybdate-Intercalated Iron-Based Layered Double Hydroxide. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201601191] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | | | - Kulamani Parida
- Centre for Nano Science and Nano Technology; ITER; Siksha “O” Anusandhan University; India
| | - Syed Javaid Zaidi
- Center for Advanced Materials (CAM); Qatar University (QU); Doha Qatar
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23
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Conterosito E, Benesperi I, Toson V, Saccone D, Barbero N, Palin L, Barolo C, Gianotti V, Milanesio M. High-Throughput Preparation of New Photoactive Nanocomposites. CHEMSUSCHEM 2016; 9:1279-1289. [PMID: 27137753 DOI: 10.1002/cssc.201600325] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Indexed: 06/05/2023]
Abstract
New low-cost photoactive hybrid materials based on organic luminescent molecules inserted into hydrotalcite (layered double hydroxides; LDH) were produced, which exploit the high-throughput liquid-assisted grinding (LAG) method. These materials are conceived for applications in dye-sensitized solar cells (DSSCs) as a co-absorbers and in silicon photovoltaic (PV) panels to improve their efficiency as they are able to emit where PV modules show the maximum efficiency. A molecule that shows a large Stokes' shift was designed, synthesized, and intercalated into LDH. Two dyes already used in DSSCs were also intercalated to produce two new nanocomposites. LDH intercalation allows the stability of organic dyes to be improved and their direct use in polymer melt blending. The prepared nanocomposites absorb sunlight from UV to visible and emit from blue to near-IR and thus can be exploited for light-energy management. Finally one nanocomposite was dispersed by melt blending into a poly(methyl methacrylate)-block-poly(n-butyl acrylate) copolymer to obtain a photoactive film.
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Affiliation(s)
- Eleonora Conterosito
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale, Viale Teresa Michel 11, 15121, Alessandria, Italy
| | - Iacopo Benesperi
- Dipartimento di Chimica and NIS and INSTM Reference Centre, Università degli Studi di Torino, Via P. Giuria 7, 10125, Torino, Italy
- School of Chemistry, Monash University, Victoria, 3800, Australia
| | - Valentina Toson
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale, Viale Teresa Michel 11, 15121, Alessandria, Italy
| | - Davide Saccone
- Dipartimento di Chimica and NIS and INSTM Reference Centre, Università degli Studi di Torino, Via P. Giuria 7, 10125, Torino, Italy
| | - Nadia Barbero
- Dipartimento di Chimica and NIS and INSTM Reference Centre, Università degli Studi di Torino, Via P. Giuria 7, 10125, Torino, Italy
| | - Luca Palin
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale, Viale Teresa Michel 11, 15121, Alessandria, Italy
- Nova Res s.r.l., Via Dolores Bello 3, 28100, Novara, Italy
| | - Claudia Barolo
- Dipartimento di Chimica and NIS and INSTM Reference Centre, Università degli Studi di Torino, Via P. Giuria 7, 10125, Torino, Italy
| | - Valentina Gianotti
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale, Viale Teresa Michel 11, 15121, Alessandria, Italy.
| | - Marco Milanesio
- Dipartimento di Scienze e Innovazione Tecnologica, Università del Piemonte Orientale, Viale Teresa Michel 11, 15121, Alessandria, Italy.
- CrisDi Interdepartmental Center for Crystallography.
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24
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Xing Z, Zong X, Zhu Y, Chen Z, Bai Y, Wang L. A nanohybrid of CdTe@CdS nanocrystals and titania nanosheets with p–n nanojunctions for improved visible light-driven hydrogen production. Catal Today 2016. [DOI: 10.1016/j.cattod.2015.08.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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25
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Park DH, Yang JH, Vinu A, Elzatahry A, Choy JH. X-ray diffraction and X-ray absorption spectroscopic analyses for intercalative nanohybrids with low crystallinity. ARAB J CHEM 2016. [DOI: 10.1016/j.arabjc.2015.07.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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26
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Kim TW, Kim IY, Park DH, Choy JH, Hwang SJ. Highly Stable Nanocontainer of APTES-Anchored Layered Titanate Nanosheet for Reliable Protection/Recovery of Nucleic Acid. Sci Rep 2016; 6:21993. [PMID: 26906340 PMCID: PMC4764942 DOI: 10.1038/srep21993] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Accepted: 02/04/2016] [Indexed: 11/08/2022] Open
Abstract
A universal technology for the encapsulative protection of unstable anionic species by highly stable layered metal oxide has been developed via the surface modification of a metal oxide nanosheet. The surface anchoring of (3-aminopropyl)triethoxysilane (APTES) on exfoliated titanate nanosheet yields a novel cationic metal oxide nanosheet, which can be universally used for the hybridization with various biological and inorganic anions. The encapsulation of deoxyribonucleic acid (DNA) in the cationic APTES-anchored titanate lattice makes possible the reliable long-term protection of DNA against enzymatic, chemical, and UV-vis light corrosions. The encapsulated DNA can be easily released from the titanate lattice via sonication, underscoring the functionality of the cationic APTES-anchored titanate nanosheet as a stable nanocontainer for DNA. The APTES-anchored titanate nanosheet can be also used as an efficient CO2 adsorbent and a versatile host material for various inorganic anions like polyoxometalates, leading to the synthesis of novel intercalative nanohybrids with unexplored properties and useful functionalities.
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Affiliation(s)
- Tae Woo Kim
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea
| | - In Young Kim
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea
| | - Dae-Hwan Park
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea
| | - Jin-Ho Choy
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea
| | - Seong-Ju Hwang
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul 03760, Korea
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An Effective Way to Optimize the Functionality of Graphene-Based Nanocomposite: Use of the Colloidal Mixture of Graphene and Inorganic Nanosheets. Sci Rep 2015; 5:11057. [PMID: 26053331 PMCID: PMC5377538 DOI: 10.1038/srep11057] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2015] [Accepted: 05/11/2015] [Indexed: 11/08/2022] Open
Abstract
The best electrode performance of metal oxide-graphene nanocomposite material for lithium secondary batteries can be achieved by using the colloidal mixture of layered CoO2 and graphene nanosheets as a precursor. The intervention of layered CoO2 nanosheets in-between graphene nanosheets is fairly effective in optimizing the pore and composite structures of the Co3O4-graphene nanocomposite and also in enhancing its electrochemical activity via the depression of interaction between graphene nanosheets. The resulting CoO2 nanosheet-incorporated nanocomposites show much greater discharge capacity of ~1750 mAhg(-1) with better cyclability and rate characteristics than does CoO2-free Co3O4-graphene nanocomposite (~1100 mAhg(-1)). The huge discharge capacity of the present nanocomposite is the largest one among the reported data of cobalt oxide-graphene nanocomposite. Such a remarkable enhancement of electrode performance upon the addition of inorganic nanosheet is also observed for Mn3O4-graphene nanocomposite. The improvement of electrode performance upon the incorporation of inorganic nanosheet is attributable to an improved Li(+) ion diffusion, an enhanced mixing between metal oxide and graphene, and the prevention of electrode agglomeration. The present experimental findings underscore an efficient and universal role of the colloidal mixture of graphene and redoxable metal oxide nanosheets as a precursor for improving the electrode functionality of graphene-based nanocomposites.
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Yao L, Wei D, Yan D, Hu C. ZnCr Layered Double Hydroxide (LDH) Nanosheets Assisted Formation of Hierarchical Flower-Like CdZnS@LDH Microstructures with Improved Visible-Light-Driven H2Production. Chem Asian J 2015; 10:630-6. [DOI: 10.1002/asia.201403387] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2014] [Indexed: 11/07/2022]
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29
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Zhang G, Lin B, Yang W, Jiang S, Yao Q, Chen Y, Gao B. Highly efficient photocatalytic hydrogen generation by incorporating CdS into ZnCr-layered double hydroxide interlayer. RSC Adv 2015. [DOI: 10.1039/c4ra11757c] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Incorporating CdS nanoparticles into the interlayer of ZnCr–LDH nanosheets led to the formation of CdS-pillared ZnCr–LDH nanohybrid, which exhibited superior photocatalytic hydrogen-generation performance from water splitting.
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Affiliation(s)
- Guohua Zhang
- Fujian Key Laboratory of Functional Materials
- College of Materials Science and Engineering
- Huaqiao University
- Xiamen 361021
- P. R. China
| | - Bizhou Lin
- Fujian Key Laboratory of Functional Materials
- College of Materials Science and Engineering
- Huaqiao University
- Xiamen 361021
- P. R. China
| | - Weiwei Yang
- Fujian Key Laboratory of Functional Materials
- College of Materials Science and Engineering
- Huaqiao University
- Xiamen 361021
- P. R. China
| | - Shaofeng Jiang
- Fujian Key Laboratory of Functional Materials
- College of Materials Science and Engineering
- Huaqiao University
- Xiamen 361021
- P. R. China
| | - Qianru Yao
- Fujian Key Laboratory of Functional Materials
- College of Materials Science and Engineering
- Huaqiao University
- Xiamen 361021
- P. R. China
| | - Yilin Chen
- Fujian Key Laboratory of Functional Materials
- College of Materials Science and Engineering
- Huaqiao University
- Xiamen 361021
- P. R. China
| | - Bifen Gao
- Fujian Key Laboratory of Functional Materials
- College of Materials Science and Engineering
- Huaqiao University
- Xiamen 361021
- P. R. China
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30
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Lee JM, Gunjakar JL, Ham Y, Kim IY, Domen K, Hwang SJ. A Linker-Mediated Self-Assembly Method to Couple Isocharged Nanostructures: Layered Double Hydroxide-CdS Nanohybrids with High Activity for Visible-Light-Induced H2Generation. Chemistry 2014; 20:17004-10. [DOI: 10.1002/chem.201404472] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2014] [Indexed: 11/06/2022]
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31
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Gunjakar JL, Kim IY, Hwang SJ. Efficient Hybrid-Type CO2Adsorbents of Reassembled Layered Double Hydroxide 2D Nanosheets with Polyoxometalate 0D Nanoclusters. Eur J Inorg Chem 2014. [DOI: 10.1002/ejic.201402480] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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32
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Jo YK, Kim IY, Gunjakar JL, Lee JM, Lee NS, Lee SH, Hwang SJ. Unique Properties of 2 D Layered Titanate Nanosheets as a Building Block for the Optimization of the Photocatalytic Activity and Photostability of TiO2-Based Nanohybrids. Chemistry 2014; 20:10011-9. [DOI: 10.1002/chem.201402726] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2014] [Indexed: 11/06/2022]
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33
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An unprecedented (3,4,24)-connected heteropolyoxozincate organic framework as heterogeneous crystalline Lewis acid catalyst for biodiesel production. Sci Rep 2014; 3:2616. [PMID: 24019078 PMCID: PMC3767951 DOI: 10.1038/srep02616] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2013] [Accepted: 08/20/2013] [Indexed: 01/09/2023] Open
Abstract
A novel 3D hexadecanuclear heteropolyoxozincate organic framework, IFMC-200, has been successfully synthesized based on a late transition metal-oxygen cluster. IFMC-200 not only represents the first example of (3,4,24)-connected framework but also contains the first 24-connected single metal cluster in a crystal structure. It exhibits superior thermal stability, good water-stability, and even insensitivity to the existence of acid and base within a certain range of pH values. Furthermore, it performs as a heterogeneous crystalline Lewis acid catalyst with good activity for the conversion of long-chain fatty acids rather than short-chain ones, and high recycling efficiency for esterification reaction of fatty acids with alcohols to produce biodiesel.
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34
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Zhao Y, Li B, Wang Q, Gao W, Wang CJ, Wei M, Evans DG, Duan X, O'Hare D. NiTi-Layered double hydroxides nanosheets as efficient photocatalysts for oxygen evolution from water using visible light. Chem Sci 2014. [DOI: 10.1039/c3sc52546e] [Citation(s) in RCA: 218] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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Marcì G, García-López EI, Palmisano L. Heteropolyacid-Based Materials as Heterogeneous Photocatalysts. Eur J Inorg Chem 2013. [DOI: 10.1002/ejic.201300883] [Citation(s) in RCA: 105] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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