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Reynes J, Leon F, García F. Mechanochemistry for Organic and Inorganic Synthesis. ACS ORGANIC & INORGANIC AU 2024; 4:432-470. [PMID: 39371328 PMCID: PMC11450734 DOI: 10.1021/acsorginorgau.4c00001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 07/15/2024] [Accepted: 07/17/2024] [Indexed: 10/08/2024]
Abstract
In recent years, mechanochemistry has become an innovative and sustainable alternative to traditional solvent-based synthesis. Mechanochemistry rapidly expanded across a wide range of chemistry fields, including diverse organic compounds and active pharmaceutical ingredients, coordination compounds, organometallic complexes, main group frameworks, and technologically relevant materials. This Review aims to highlight recent advancements and accomplishments in mechanochemistry, underscoring its potential as a viable and eco-friendly alternative to conventional solution-based methods in the field of synthetic chemistry.
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Affiliation(s)
- Javier
F. Reynes
- Departamento
de Química Orgánica e Inorgánica. Facultad de
Química. Universidad de Oviedo. Ave. Julián Clavería
8, 33006 Oviedo, Asturias Spain
| | - Felix Leon
- Instituto
de Investigaciones Químicas (IIQ), Departamento de Química
Inorgánica and Centro de Innovación en Química
Avanzada (ORFEO−CINQA), Consejo Superior de Investigaciones, Científicas (CSIC) and Universidad de Sevilla, Avenida Américo Vespucio
49, 41092 Sevilla, Spain
| | - Felipe García
- School
of Chemistry, Monash University, Clayton, Victoria 3800, Australia
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2
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Phillips EV, Tricker AW, Stavitski E, Hatzell M, Sievers C. Mechanocatalytic Hydrogenolysis of the Lignin Model Dimer Benzyl Phenyl Ether over Supported Palladium Catalysts. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2024; 12:12306-12312. [PMID: 39175605 PMCID: PMC11337168 DOI: 10.1021/acssuschemeng.4c03590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 07/30/2024] [Accepted: 07/31/2024] [Indexed: 08/24/2024]
Abstract
This work demonstrates the mechanocatalytic hydrogenolysis of the ether bond in the lignin model compound benzyl phenyl ether (BPE) and hardwood lignin isolated by hydrolysis with supercritical water. Pd catalysts with 4 wt % loading on Al2O3 and SiO2 supports achieve 100% conversion of BPE with a toluene production rate of (2.6-2.9) × 10-5 mol·min-1. The formation of palladium hydrides under H2 gas flow contributes to an increase in the turnover frequency by a factor of up to 300 compared to Ni on silica-alumina. While a near-quantitative toluene yield is obtained, some of the phenolic products remain adsorbed on the catalyst.
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Affiliation(s)
- Erin V. Phillips
- School
of Chemistry and Biochemistry, Georgia Institute
of Technology, Atlanta, Georgia 30332, United States
| | | | - Eli Stavitski
- National
Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York 11973, United States
| | - Marta Hatzell
- School
of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
- George
W. Woodruff School of Mechanical Engineering, Atlanta, Georgia 30318, United States
| | - Carsten Sievers
- School
of Chemistry and Biochemistry, Georgia Institute
of Technology, Atlanta, Georgia 30332, United States
- School
of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
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3
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Qayyum A, Giannakoudakis DA, Łomot D, Colmenares-Quintero RF, LaGrow AP, Nikiforow K, Lisovytskiy D, Colmenares JC. Tuning the physicochemical features of titanium oxide nanomaterials by ultrasound: Elevating photocatalytic selective partial oxidation of lignin-inspired aromatic alcohols. ULTRASONICS SONOCHEMISTRY 2023; 94:106306. [PMID: 36709727 PMCID: PMC9894921 DOI: 10.1016/j.ultsonch.2023.106306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/16/2023] [Accepted: 01/18/2023] [Indexed: 06/18/2023]
Abstract
The research for "green" and economically feasible approaches such as (photo)catalysis especially for biomass valorization such as selective oxidation of biomass derived compounds like aromatic alcohols to corresponding aldehyde by avoiding the harsh reaction conditions and the addition of reagents concentrate the focus of attention the last years. Hence, design and development of novel photocatalyst for the partial selective oxidation is highly desirable. In this research work, ultrasonication of different frequencies (22, 40, 80 kHz) and different amplitudes was utilized as synthesis tool in order to obtain novel materials by precipitation method. The synthesized samples were characterized by using different techniques such as N2 sorption, TEM, XPS, XRD, thermal analysis, and diffuse reflectance spectroscopy. The synthesized sample by using low ultrasound frequency (22 kHz) and amplitude showed a mixed morphological and structural nature consisting of asymmetric 1-dimensional (nanorods-like), layered nano-structures and not well-defined areas, leading to elevate for metal oxide specific surface areas up to 155 m2/g. The observed 1-D nanostructures have diamentions in the range of 20-60 nm. This sample revealed the highest photo-oxidation efficiency for the selective conversion of two biomass-derived, and more specifically lignin-inspired model compounds, benzyl alcohol and cinnamyl alcohol to benzaldehyde and cinnamyl aldehyde, respectively, and hence the highest yield towards the desired aldehydes. The selective photo-oxidation activity was retained even after 5 photocatalytic cycles, while no leaching of Ti was recorded.
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Affiliation(s)
- Abdul Qayyum
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.
| | | | - Dariusz Łomot
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | | | - Alec P LaGrow
- Scientific Imaging Section, Okinawa Institute of Science and Technology Graduate University, Kunigami-gun, Okinawa 904-0412, Japan
| | - Kostiantyn Nikiforow
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Dmytro Lisovytskiy
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Juan Carlos Colmenares
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland.
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4
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Stevanović JN, Petrović SP, Tadić NB, Cvetanović K, Silva AG, Radović DV, Sarajlić M. Mechanochemical Synthesis of TiO 2-CeO 2 Mixed Oxides Utilized as a Screen-Printed Sensing Material for Oxygen Sensor. SENSORS (BASEL, SWITZERLAND) 2023; 23:1313. [PMID: 36772353 PMCID: PMC9919251 DOI: 10.3390/s23031313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 01/14/2023] [Accepted: 01/21/2023] [Indexed: 06/18/2023]
Abstract
TiO2 and CeO2 are well known as oxygen sensing materials. Despite high sensitivity, the actual utilization of these materials in gas detection remains limited. Research conducted over the last two decades has revealed synergistic effects of TiO2-CeO2 mixed oxides that have the potential to improve some aspects of oxygen monitoring. However, there are no studies on the sensing properties of the TiO2-CeO2 obtained by mechanochemical treatment. We have tested the applicability of the mechanochemically treated TiO2-CeO2 for oxygen detection and presented the results in this study. The sensing layers are prepared as a porous structure by screen printing a thick film on a commercial substrate. The obtained structures were exposed to various O2 concentrations. The results of electrical measurements showed that TiO2-CeO2 films have a significantly lower resistance than pure oxide films. Mixtures of composition TiO2:CeO2 = 0.8:0.2, ground for 100 min, have the lowest electrical resistance among the tested materials. Mixtures of composition TiO2:CeO2 = 0.5:0.5 and ground for 100 min proved to be the most sensitive. The operating temperature can be as low as 320 °C, which places this sensor in the class of semiconductor sensors working at relatively lower temperatures.
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Affiliation(s)
- Jelena N. Stevanović
- Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Njegoševa 12, 11000 Belgrade, Serbia
| | - Srđan P. Petrović
- Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Njegoševa 12, 11000 Belgrade, Serbia
| | - Nenad B. Tadić
- Faculty of Physics, University of Belgrade, Studentski trg 16, 11000 Belgrade, Serbia
| | - Katarina Cvetanović
- Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Njegoševa 12, 11000 Belgrade, Serbia
| | - Ana G. Silva
- CeFiTec, Nova School of Science and Technology, New University of Lisbon, Campus da Caparica, 2829-516 Caparica, Portugal
| | - Dana Vasiljević Radović
- Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Njegoševa 12, 11000 Belgrade, Serbia
| | - Milija Sarajlić
- Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Njegoševa 12, 11000 Belgrade, Serbia
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5
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Doustkhah E, Hassandoost R, Yousef Tizhoosh N, Esmat M, Guselnikova O, Hussein N Assadi M, Khataee A. Ultrasonically-assisted synthesis of CeO 2 within WS 2 interlayers forming type II heterojunction for a VOC photocatalytic oxidation. ULTRASONICS SONOCHEMISTRY 2023; 92:106245. [PMID: 36463784 PMCID: PMC9719093 DOI: 10.1016/j.ultsonch.2022.106245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/21/2022] [Accepted: 11/25/2022] [Indexed: 06/17/2023]
Abstract
Here, we investigate the band structure, density of states, photocatalytic activity, and heterojunction mechanism of WS2 with CeO2 (CeO2@WS2) as a photoactive heterostructure. In this heterostructure, CeO2's growth within WS2 layers is achieved through ultrasonicating WS2 and intercalating CeO2's precursor within the WS2 interlayers, followed by hydrothermal treatment. Through a set of density functional calculations, we demonstrate that CeO2 and WS2 form an interface through a covalent bonding that can be highly stable. The electrochemical impedance spectroscopy (EIS) found that the CeO2@WS2 heterostructure exhibits a remarkably higher conductivity (22.23 mS cm-2) compared to either WS2 and CeO2, assignable to the interface in CeO2@WS2. Furthermore, in a physically mixed CeO2-WS2 where the interaction between particles is noncovalent, the resistance was significantly higher (0.67 mS cm-2), confirming that the heterostructure in the interface is covalently bonded. In addition, Mott-Schottky and the bandgap measurements through Tauc plots demonstrate that the heterojunction in CeO2 and WS2 is type II. Eventually, the CeO2@WS2 heterostructure indicated 446.7 µmol g -1 CO2 generation from photocatalytic oxidation of a volatile organic compound (VOC), formic acid, compared to WS2 and CeO2 alone.
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Affiliation(s)
- Esmail Doustkhah
- Koç University Tüpraş Energy Center (KUTEM), Department of Chemistry, Koç University, 34450 Istanbul, Turkey.
| | - Ramin Hassandoost
- Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471 Tabriz, Iran
| | - Negar Yousef Tizhoosh
- Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471 Tabriz, Iran
| | - Mohamed Esmat
- International Center for Materials Nanoarchitechtonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; Materials Science and Nanotechnology Department, Faculty of Postgraduate Studies for Advanced Sciences (PSAS), Beni-Suef University (BSU), Beni-Suef 62511, Egypt
| | - Olga Guselnikova
- Research School of Chemistry & Applied Biomedical Sciences, National Research Tomsk Polytechnic University, Lenin Avenue 30, Tomsk 634050, Russia
| | - M Hussein N Assadi
- RIKEN Center for Emergent Matter Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Alireza Khataee
- Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471 Tabriz, Iran; Department of Environmental Engineering, Gebze Technical University, 41400 Gebze, Turkey.
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6
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Qian X, Ao W, Ding H, Wang X, Sun S. A Review on Resource Utilization of Spent V-W-Ti Based Selective Catalytic Reduction Catalysts. MATERIALS (BASEL, SWITZERLAND) 2022; 15:7984. [PMID: 36431471 PMCID: PMC9692313 DOI: 10.3390/ma15227984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 10/12/2022] [Accepted: 10/13/2022] [Indexed: 06/16/2023]
Abstract
To address the environmental pollution caused by nitrogen oxides, V2O5-WO3/TiO2 is widely used as a catalyst based on selective catalytic reduction (SCR) technology. However, spent SCR catalysts pose a potential hazard to the environment due to the presence of heavy metals. This problem continues to plague countries with predominantly thermal power generation, and landfills as the dominant disposal method wastes significant metal resources. Previous research into the recovery of these metal resources has received considerable attention. Here, we summarise the methods of recovery and find that research trends are beginning to move towards improving the added value of recovered products. One very promising application is photocatalysts; however, the atomic efficiency of current methods is not satisfactory. Therefore, this review first focuses on the regeneration of spent SCR catalysts and the processes used for elemental extraction to clarify what forms of V, W and Ti can be obtained from existing processes. This is followed by providing directions for the conversion of spent SCR catalysts into photocatalysts with improvements based on such processes. From a different perspective, this also provides a new resource for photocatalysts and is expected to significantly reduce the cost of photocatalyst production.
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7
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Su R, Wu Y, Doulkeridou S, Qiu X, Sørensen TJ, Susumu K, Medintz IL, van Bergen en Henegouwen PMP, Hildebrandt N. A Nanobody‐on‐Quantum Dot Displacement Assay for Rapid and Sensitive Quantification of the Epidermal Growth Factor Receptor (EGFR). Angew Chem Int Ed Engl 2022; 61:e202207797. [PMID: 35759268 PMCID: PMC9542526 DOI: 10.1002/anie.202207797] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Indexed: 11/26/2022]
Abstract
Biosensing approaches that combine small, engineered antibodies (nanobodies) with nanoparticles are often complicated. Here, we show that nanobodies with different C‐terminal tags can be efficiently attached to a range of the most widely used biocompatible semiconductor quantum dots (QDs). Direct implementation into simplified assay formats was demonstrated by designing a rapid and wash‐free mix‐and‐measure immunoassay for the epidermal growth factor receptor (EGFR). Terbium complex (Tb)‐labeled hexahistidine‐tagged nanobodies were specifically displaced from QD surfaces via EGFR‐nanobody binding, leading to an EGFR concentration‐dependent decrease of the Tb‐to‐QD Förster resonance energy transfer (FRET) signal. The detection limit of 80±20 pM (16±4 ng mL−1) was 3‐fold lower than the clinical cut‐off concentration for soluble EGFR and up to 10‐fold lower compared to conventional sandwich FRET assays that required a pair of different nanobodies.
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Affiliation(s)
- Ruifang Su
- nanoFRET.comLaboratoire COBRA (UMR6014 & FR3038)Université de Rouen Normandie, CNRS, INSANormandie Université76000RouenFrance
- Nano-Science Center & Department of ChemistryUniversity of CopenhagenUniversitetsparken 52100CopenhagenDenmark
| | - Yu‐Tang Wu
- Université Paris-Saclay, CEA, CNRSInstitute for Integrative Biology of the Cell (I2BC)91198Gif-sur-YvetteFrance
| | - Sofia Doulkeridou
- Cell BiologyNeurobiology and BiophysicsDepartment of BiologyScience FacultyUtrecht University3508 TBUtrechtThe Netherlands
- Princess Maxima CenterHeidelberglaan 253584CSUtrechtThe Netherlands
| | - Xue Qiu
- Université Paris-Saclay, CEA, CNRSInstitute for Integrative Biology of the Cell (I2BC)91198Gif-sur-YvetteFrance
- Key Laboratory of Marine DrugMinistry of EducationSchool of Medicine and PharmacyOcean University of China266003QingdaoChina
- Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology266237QingdaoChina
| | - Thomas Just Sørensen
- Nano-Science Center & Department of ChemistryUniversity of CopenhagenUniversitetsparken 52100CopenhagenDenmark
| | - Kimihiro Susumu
- Jacobs CorporationHanoverMD 21076USA
- Optical Sciences Division, Code 5600, Code 6900U.S. Naval Research LaboratoryWashingtonDC 20375USA
| | - Igor L. Medintz
- Center for Bio/Molecular Science and Engineering, Code 6900U.S. Naval Research LaboratoryWashingtonDC 20375USA
| | | | - Niko Hildebrandt
- nanoFRET.comLaboratoire COBRA (UMR6014 & FR3038)Université de Rouen Normandie, CNRS, INSANormandie Université76000RouenFrance
- Université Paris-Saclay, CEA, CNRSInstitute for Integrative Biology of the Cell (I2BC)91198Gif-sur-YvetteFrance
- Department of ChemistrySeoul National UniversitySeoul08826South Korea
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8
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Su R, Wu Y, Doulkeridou S, Qiu X, Sørensen TJ, Susumu K, Medintz IL, van Bergen en Henegouwen PMP, Hildebrandt N. A Nanobody‐on‐Quantum Dot Displacement Assay for Rapid and Sensitive Quantification of the Epidermal Growth Factor Receptor (EGFR). Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202207797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Ruifang Su
- nanoFRET.com Laboratoire COBRA (UMR6014 & FR3038) Université de Rouen Normandie, CNRS, INSA Normandie Université 76000 Rouen France
- Nano-Science Center & Department of Chemistry University of Copenhagen Universitetsparken 5 2100 Copenhagen Denmark
| | - Yu‐Tang Wu
- Université Paris-Saclay, CEA, CNRS Institute for Integrative Biology of the Cell (I2BC) 91198 Gif-sur-Yvette France
| | - Sofia Doulkeridou
- Cell Biology Neurobiology and Biophysics Department of Biology Science Faculty Utrecht University 3508 TB Utrecht The Netherlands
- Princess Maxima Center Heidelberglaan 25 3584CS Utrecht The Netherlands
| | - Xue Qiu
- Université Paris-Saclay, CEA, CNRS Institute for Integrative Biology of the Cell (I2BC) 91198 Gif-sur-Yvette France
- Key Laboratory of Marine Drug Ministry of Education School of Medicine and Pharmacy Ocean University of China 266003 Qingdao China
- Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology 266237 Qingdao China
| | - Thomas Just Sørensen
- Nano-Science Center & Department of Chemistry University of Copenhagen Universitetsparken 5 2100 Copenhagen Denmark
| | - Kimihiro Susumu
- Jacobs Corporation Hanover MD 21076 USA
- Optical Sciences Division, Code 5600, Code 6900 U.S. Naval Research Laboratory Washington DC 20375 USA
| | - Igor L. Medintz
- Center for Bio/Molecular Science and Engineering, Code 6900 U.S. Naval Research Laboratory Washington DC 20375 USA
| | | | - Niko Hildebrandt
- nanoFRET.com Laboratoire COBRA (UMR6014 & FR3038) Université de Rouen Normandie, CNRS, INSA Normandie Université 76000 Rouen France
- Université Paris-Saclay, CEA, CNRS Institute for Integrative Biology of the Cell (I2BC) 91198 Gif-sur-Yvette France
- Department of Chemistry Seoul National University Seoul 08826 South Korea
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9
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Qayyum A, Giannakoudakis DA, LaGrow AP, Bondarchuk O, Łomot D, Colmenares JC. High-frequency sonication for the synthesis of nanocluster-decorated titania nanorods: Making a better photocatalyst for the selective oxidation of monoaromatic alcohol. CATAL COMMUN 2022. [DOI: 10.1016/j.catcom.2022.106406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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10
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Adeleye AT, John KI, Adeleye PG, Akande AA, Banjoko OO. One-dimensional titanate nanotube materials: heterogeneous solid catalysts for sustainable synthesis of biofuel precursors/value-added chemicals-a review. JOURNAL OF MATERIALS SCIENCE 2021; 56:18391-18416. [PMID: 34511639 PMCID: PMC8418895 DOI: 10.1007/s10853-021-06473-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Accepted: 08/24/2021] [Indexed: 06/13/2023]
Abstract
One-dimensional (1D) titanate nanotubes materials (protonated titanate nanotube (HTNT) and sodium titanate nanotube (NaTNT)) have been reported as low-cost and efficient catalytic materials in chemical syntheses for the production of biofuel precursors with interesting catalytic performance exhibited, even better than some commonly used zeolites, H-MOR, H-β, SO4 2-/Al2O3, and H-ZSM-5 solid catalysts with environmental benign in focus when compared with homogeneous catalytic materials. This mini-review expressly revealed the significance and potential of using HTNT and NaTNT as sustainable and environmentally benign solid catalysts/supports in various chemical reactions. The critical assessment of biomass valorization and titanate nanostructured materials as catalysts/supports via Green Chemistry approach, #7 (use of renewable feedstocks), #9 (use of catalyst against stoichiometry) and United Nations (UN) Sustainable Development Goals (SDGs), #7 (affordable and clean energy; ensure access to inexpensive, reliable, sustainable, and new energy), is presented as integrated pathways to meet environmental benign technology toward sustainability. Hence, this work follows in the pattern of recent formulated features reported for solid catalysts-'PYSSVR' concept, which means P-production cost, Y-yield, S-stability, S-selectivity, V-versatility, and R-reusability. GRAPHICAL ABSTRACT
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Affiliation(s)
- Aderemi Timothy Adeleye
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023 China
- University of Chinese Academy of Sciences, 19 A Yuquan Road, Shijingshan District, Beijing, 100049 China
- Organization of African Academic Doctor (OAAD), Off Kamiti Road, P. O. Box 25305000100, Nairobi, Kenya
| | - Kingsley I. John
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023 China
- University of Chinese Academy of Sciences, 19 A Yuquan Road, Shijingshan District, Beijing, 100049 China
- Organization of African Academic Doctor (OAAD), Off Kamiti Road, P. O. Box 25305000100, Nairobi, Kenya
- Lab of Department of Pure and Applied Chemistry, College of Natural Sciences, Veritas University Abuja, PMB 5171, Abuja, Nigeria
| | | | - Amos Adeleke Akande
- CSIR NextGen Enterprises and Institutions Cluster, EDT4IR Research Centre, P O Box 395, Pretoria, 0001 South Africa
- Department of Physics, University of Limpopo, P/Bag X1106, Sovenga, 0727 South Africa
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11
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Recent advances on Bi2WO6-based photocatalysts for environmental and energy applications. CHINESE JOURNAL OF CATALYSIS 2021. [DOI: 10.1016/s1872-2067(20)63769-x] [Citation(s) in RCA: 95] [Impact Index Per Article: 31.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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12
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Giannakoudakis DA, Qayyum A, Nair V, Khan A, Pradhan SR, Prekodravac J, Rekos K, LaGrow AP, Bondarchuk O, Łomot D, Triantafyllidis KS, Colmenares JC. Ultrasound-assisted decoration of CuOx nanoclusters on TiO2 nanoparticles for additives free photocatalytic hydrogen production and biomass valorization by selective oxidation. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111664] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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13
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Shooshtari M, Salehi A, Vollebregt S. Effect of temperature and humidity on the sensing performance of TiO 2nanowire-based ethanol vapor sensors. NANOTECHNOLOGY 2021; 32:325501. [PMID: 33930881 DOI: 10.1088/1361-6528/abfd54] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 04/29/2021] [Indexed: 06/12/2023]
Abstract
In this paper, we study the influence of two key factors, temperature, and humidity, on gas sensors based on titanium dioxide nanowires synthesized at 4 different temperatures and with different morphology. The samples' structure are investigated using SEM, XRD and FTIR analysis. The effects of humidity and temperature are studied by measuring the resistance and gas response when exposed to ethanol. At room temperature, we observed a 15% sensitivity response to 100 ppm of ethanol vapor and by increasing the operating temperature up to 180 °C, the response is enhanced by two orders of magnitude. The best operating temperature for the highest gas response is found to be around 180 °C. Also, it was observed that every nanowire morphology has its own optimum operating temperature. The resistance of sensors is increased at higher Relative Humidity (RH). Besides, the response to ethanol vapor experiences a gradual increase when the RH rises from 10% to 60%. On the other hand, from 60% to 90% RH the gas response decreases gradually due to different mechanisms of interaction of the TiO2with H2O and ethanol molecules.
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Affiliation(s)
- Mostafa Shooshtari
- Department of Electrical Engineering, K N Toosi University of Technology, Tehran, Iran
| | - Alireza Salehi
- Department of Electrical Engineering, K N Toosi University of Technology, Tehran, Iran
| | - Sten Vollebregt
- Department of Microelectronics, Delft University of Technology, Delft, The Netherland
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14
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Cadmium sulfide/titanate hybrid green light photocatalysis for selective aerobic oxidative homocoupling of amines. J Colloid Interface Sci 2021; 590:387-395. [DOI: 10.1016/j.jcis.2021.01.066] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 01/13/2021] [Accepted: 01/15/2021] [Indexed: 01/13/2023]
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15
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Rana R, Long D, Kotula P, Xu Y, Olson D, Galipaud J, LeMogne T, Tysoe WT. Insights into the Mechanism of the Mechanochemical Formation of Metastable Phases. ACS APPLIED MATERIALS & INTERFACES 2021; 13:6785-6794. [PMID: 33507726 DOI: 10.1021/acsami.0c18980] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The mechanochemical reaction kinetics of sulfur with copper to form a metastable copper sulfide phase at room temperature is investigated in ultrahigh vacuum by modifying the properties of the copper during cleaning in vacuum. The measured kinetics is in agreement with a theory first proposed by Karthikeyan and Rigney that predicts that the rate depends linearly both on the contact time and on the strain-rate sensitivity of the substrate. The mechanism for this process was investigated using thin samples of copper fabricated using a focused-ion-beam and by measuring the crystal structure and elemental composition of the copper subsurface region by electron microscopy after reaction. The measured sulfur depth distributions produced by shear-induced surface-to-bulk transport were in good agreement with values calculated using rate constants that also model the reaction kinetics. Sulfur was found both in crystalline regions and also concentrated along grain boundaries, implying that formation of metastable phases is facilitated by both the presence of dislocations and by grain boundaries.
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Affiliation(s)
- Resham Rana
- Department of Chemistry and Laboratory for Surface Studies, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin 53211, United States
| | - Daniel Long
- Center for Integrated Nanotechnologies, Sandia National Laboratories, P.O. Box 5800, MS-1304, Albuquerque, New Mexico 87185, United States
| | - Paul Kotula
- Center for Integrated Nanotechnologies, Sandia National Laboratories, P.O. Box 5800, MS-1304, Albuquerque, New Mexico 87185, United States
| | - Yufu Xu
- Institute of Tribology, School of Mechanical Engineering, Hefei University of Technology, Hefei 230009, China
| | - Dustin Olson
- Department of Chemistry and Laboratory for Surface Studies, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin 53211, United States
| | - Jules Galipaud
- Laboratoire de Tribologie et Dynamique des Systèmes, CNRS UMR5513, Ecole centrale de Lyon, 36 avenue Guy de Collongue, F-69134 Ecully cedex, France
| | - Thierry LeMogne
- Laboratoire de Tribologie et Dynamique des Systèmes, CNRS UMR5513, Ecole centrale de Lyon, 36 avenue Guy de Collongue, F-69134 Ecully cedex, France
| | - Wilfred T Tysoe
- Department of Chemistry and Laboratory for Surface Studies, University of Wisconsin-Milwaukee, Milwaukee, Wisconsin 53211, United States
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16
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O’Neill RT, Boulatov R. The many flavours of mechanochemistry and its plausible conceptual underpinnings. Nat Rev Chem 2021; 5:148-167. [PMID: 37117533 DOI: 10.1038/s41570-020-00249-y] [Citation(s) in RCA: 131] [Impact Index Per Article: 43.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/23/2020] [Indexed: 12/12/2022]
Abstract
Mechanochemistry describes diverse phenomena in which mechanical load affects chemical reactivity. The fuzziness of this definition means that it includes processes as seemingly disparate as motor protein function, organic synthesis in a ball mill, reactions at a propagating crack, chemical actuation, and polymer fragmentation in fast solvent flows and in mastication. In chemistry, the rate of a reaction in a flask does not depend on how fast the flask moves in space. In mechanochemistry, the rate at which a material is deformed affects which and how many bonds break. In other words, in some manifestations of mechanochemistry, macroscopic motion powers otherwise endergonic reactions. In others, spontaneous chemical reactions drive mechanical motion. Neither requires thermal or electrostatic gradients. Distinct manifestations of mechanochemistry are conventionally treated as being conceptually independent, which slows the field in its transformation from being a collection of observations to a rigorous discipline. In this Review, we highlight observations suggesting that the unifying feature of mechanochemical phenomena may be the coupling between inertial motion at the microscale to macroscale and changes in chemical bonding enabled by transient build-up and relaxation of strains, from macroscopic to molecular. This dynamic coupling across multiple length scales and timescales also greatly complicates the conceptual understanding of mechanochemistry.
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17
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Doerr AM, Burroughs JM, Gitter SR, Yang X, Boydston AJ, Long BK. Advances in Polymerizations Modulated by External Stimuli. ACS Catal 2020. [DOI: 10.1021/acscatal.0c03802] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Alicia M. Doerr
- Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996-1600, United States
| | - Justin M. Burroughs
- Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996-1600, United States
| | - Sean R. Gitter
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Xuejin Yang
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Andrew J. Boydston
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
- Department of Chemical and Biological Engineering and Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Brian K. Long
- Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996-1600, United States
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18
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Gogate PR. Improvements in Catalyst Synthesis and Photocatalytic Oxidation Processing Based on the Use of Ultrasound. Top Curr Chem (Cham) 2020; 378:29. [PMID: 32125542 DOI: 10.1007/s41061-020-0293-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 02/18/2020] [Indexed: 10/24/2022]
Abstract
The efficacy of photocatalysis strongly depends on the activity of the catalysts and the operational factors, especially factors associated with mass transfer and the possibility of catalyst deactivation. The use of ultrasound has great potential to enhance catalyst activity, during both the synthesis and actual oxidation processes due to the cavitational effects of turbulence and liquid streaming. This article presents an overview of the application aspects of ultrasound, both in the synthesis of the photocatalyst and applications for wastewater treatment. A review of the literature revealed that the use of ultrasound in the synthesis processes can result in a catalyst with a lower mean size and higher surface area as well as uniform size distribution. The application of ultrasound in the actual photocatalytic oxidation facilitates enhancement of the oxidation capacity, leading to higher degradation rates, sometimes synergistic results and definitely lower treatment times. This article also presents guidelines for the selection of the best operating conditions for the use of ultrasound in photocatalytic systems and includes a discussion on the possible reactor configurations suitable for large-scale operations. Overall, a combination of ultrasound with photocatalytic oxidation or the optimized application of ultrasound in catalyst synthesis can yield significant benefits.
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Affiliation(s)
- Parag R Gogate
- Chemical Engineering Department, Institute of Chemical Technology, Matunga, Mumbai, 40019, India.
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