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Chen L, Lou F, Cheng H, Qi Z. Uniform heterostructured MnO x/MnCO 3/Fe 2O 3 nanocomposites assembled in an ionic liquid for highly selective oxidation of 5-hydroxymethylfurfural. NEW J CHEM 2021. [DOI: 10.1039/d1nj01470f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Uniform heterostructured MnOx/MnCO3/Fe2O3 nanocomposites assembled in the ionic liquid 1-butyl-3-methyl-imidazolium chloride ([BMim]Cl) exhibit highly selective oxidation of 5-hydroxymethylfurfural to 2,5-diformylfuran.
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Affiliation(s)
- Lifang Chen
- Max Planck Partner Group at the State Key Laboratory of Chemical Engineering
- School of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Furong Lou
- Max Planck Partner Group at the State Key Laboratory of Chemical Engineering
- School of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Hongye Cheng
- Max Planck Partner Group at the State Key Laboratory of Chemical Engineering
- School of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Zhiwen Qi
- Max Planck Partner Group at the State Key Laboratory of Chemical Engineering
- School of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
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2
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Evolution of textural characteristics of surfactant-mediated mesoporous zirconia aerogel powders prepared via ambient pressure drying route. INTERNATIONAL NANO LETTERS 2018. [DOI: 10.1007/s40089-018-0241-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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3
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Rechberger F, Niederberger M. Synthesis of aerogels: from molecular routes to 3-dimensional nanoparticle assembly. NANOSCALE HORIZONS 2017; 2:6-30. [PMID: 32260673 DOI: 10.1039/c6nh00077k] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Colloidal nanocrystals are extensively used as building blocks in nanoscience, and amazing results have been achieved in assembling them into ordered, close-packed structures. But in spite of great efforts, the size of these structures is typically restricted to a few micrometers, and it is very hard to extend them into the macroscopic world. In comparison, aerogels are macroscopic materials, highly porous, disordered, ultralight and with immense surface areas. With these distinctive characteristics, they are entirely contrary to common nanoparticle assemblies such as superlattices or nanocrystal solids, and therefore cover a different range of applications. While aerogels are traditionally synthesized by molecular routes based on aqueous sol-gel chemistry, in the last few years the gelation of nanoparticle dispersions became a viable alternative to improve the crystallinity and to widen the structural, morphological and compositional complexity of aerogels. In this Review, the different approaches to inorganic non-siliceous and non-carbon aerogels are addressed. We start our discussion with wet chemical routes involving molecular precursors, followed by processing methods using nanoparticles as building blocks. A unique feature of many of these routes is the fact that a macroscopic, often monolithic body is produced by pure self-assembly of nanosized colloids without the need for any templates.
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Affiliation(s)
- Felix Rechberger
- Laboratory for Multifunctional Materials, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, CH-8093 Zurich, Switzerland.
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4
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Regenerable Subnanometer Pd Clusters on Zirconia for Highly Selective Hydrogenation of Biomass-Derived Succinic Acid in Water. Catalysts 2016. [DOI: 10.3390/catal6070100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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5
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PRADHAN SAGNIKA, SWARNIMA KUMARI, MISHRA BG. Ba/ZrO2 nanoparticles as efficient heterogeneous base catalyst for the synthesis of β-nitro alcohols and 2-amino 2-chromenes. J CHEM SCI 2016. [DOI: 10.1007/s12039-016-1104-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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6
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Soni KC, Chandra Shekar S, Singh B, Gopi T. Catalytic activity of Fe/ZrO2 nanoparticles for dimethyl sulfide oxidation. J Colloid Interface Sci 2015; 446:226-36. [DOI: 10.1016/j.jcis.2015.01.031] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2014] [Revised: 01/13/2015] [Accepted: 01/14/2015] [Indexed: 11/28/2022]
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7
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Pradhan S, Mishra BG. Catalytic application of SO42−/Fe–ZrO2nanoparticles synthesized by a urea hydrolysis method for environmentally benign one pot synthesis of 1,8-dioxodecahydroacridines. RSC Adv 2015. [DOI: 10.1039/c5ra11136f] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A series of sulfate grafted Fe2O3–ZrO2mixed oxides (SFexZr) were prepared by urea hydrolysis method and studied as heterogeneous catalyst for synthesis of structurally diverse 1,8-dioxodecahydroacridines.
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Affiliation(s)
- Sagnika Pradhan
- Department of Chemistry
- National Institute of Technology
- Rourkela
- India
| | - B. G. Mishra
- Department of Chemistry
- National Institute of Technology
- Rourkela
- India
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Zhong L, Chen X, Song H, Guo K, Hu Z. Synthesis of monolithic zirconia aerogel via a nitric acid assisted epoxide addition method. RSC Adv 2014. [DOI: 10.1039/c4ra04601c] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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9
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Herrera G, Montoya N, Doménech-Carbó A, Alarcón J. Synthesis, characterization and electrochemical properties of iron-zirconia solid solution nanoparticles prepared using a sol-gel technique. Phys Chem Chem Phys 2014; 15:19312-21. [PMID: 24121534 DOI: 10.1039/c3cp53216j] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The range of compositions and temperatures at which single-phase tetragonal and monoclinic Fe-containing zirconia nanoparticles are stable is reported. Both types of iron-doped zirconia particles were synthesized by annealing dried gels FexZr1-xO2, with nominal compositions in the range 0 ≤ x ≤ 0.15, over the range of temperatures between 400 °C and 1300 °C. Monophasic crystalline specimens of Fe-ZrO2 solid solutions were characterized by different techniques including X-ray powder diffraction (XRD), infrared and Raman spectroscopies (IR and Raman), and transmission electron microscopy (TEM). Energy gaps were estimated from diffuse reflectance ultraviolet-visible spectra (DRUV-Vis) and compared with those obtained from electrochemical data. Upon increasing the amount of iron in both types of iron-containing zirconia-based structures the energy gaps slightly lowered. The electrochemical properties of those solid solutions obtained using the voltammetry of microparticles (VPM) technique indicated the presence of a small portion of iron as Fe(2+) in both types of crystalline Fe-doped ZrO2. Electrochemical data suggest that the monoclinic solid solutions provide a particularly high accessibility for promoting catalytic processes such as electrochemical oxygen reduction.
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Affiliation(s)
- G Herrera
- Department of Inorganic Chemistry, C/Doctor Moliner 50, 46100 Burjasot, Valencia, Spain.
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11
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Schäfer H, Brandt S, Milow B, Ichilmann S, Steinhart M, Ratke L. Zirconia-based Aerogels via Hydrolysis of Salts and Alkoxides: The Influence of the Synthesis Procedures on the Properties of the Aerogels. Chem Asian J 2013; 8:2211-9. [DOI: 10.1002/asia.201300488] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2013] [Indexed: 11/07/2022]
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12
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Samantaray S, Kar P, Hota G, Mishra BG. Sulfate Grafted Iron Stabilized Zirconia Nanoparticles as Efficient Heterogenous Catalysts for Solvent-Free Synthesis of Xanthenediones under Microwave Irradiation. Ind Eng Chem Res 2013. [DOI: 10.1021/ie303648b] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Satish Samantaray
- Department of Chemistry, National Institute of Technology, Rourkela, Rourkela
769008, Odisha, India
- Department of Chemistry, Temple City Institute of Technology & Engineering, Khurda 752057, Odisha, India
| | - Purabi Kar
- Department of Chemistry, National Institute of Technology, Rourkela, Rourkela
769008, Odisha, India
| | - Garudadhawj Hota
- Department of Chemistry, National Institute of Technology, Rourkela, Rourkela
769008, Odisha, India
| | - Braja Gopal Mishra
- Department of Chemistry, National Institute of Technology, Rourkela, Rourkela
769008, Odisha, India
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Schäfer H, Milow B, Ratke L. Synthesis of inorganic aerogels via rapid gelation using chloride precursors. RSC Adv 2013. [DOI: 10.1039/c3ra41688g] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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14
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Dispersion of TiO2
on high-surface-area mesoporous silica: functionalization with tungstophosphoric acid and application in solvent-free, aerobic oxidation of n
-hexadecane. Appl Organomet Chem 2012. [DOI: 10.1002/aoc.2927] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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15
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Sádaba I, Ojeda M, Mariscal R, Richards R, López Granados M. Preparation and Characterization of Mg-Zr Mixed Oxide Aerogels and Their Application as Aldol Condensation Catalysts. Chemphyschem 2012; 13:3282-92. [DOI: 10.1002/cphc.201200440] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2012] [Indexed: 12/31/2022]
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Sádaba I, Ojeda M, Mariscal R, Richards R, Granados ML. Mg–Zr mixed oxides for aqueous aldol condensation of furfural with acetone: Effect of preparation method and activation temperature. Catal Today 2011. [DOI: 10.1016/j.cattod.2010.11.059] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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17
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Zirconium oxide aerogel for effective enrichment of phosphopeptides with high binding capacity. Anal Bioanal Chem 2011; 399:3399-405. [DOI: 10.1007/s00216-011-4657-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2010] [Revised: 12/20/2010] [Accepted: 01/02/2011] [Indexed: 01/17/2023]
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18
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Chen L, Song Z, Wang X, Prikhodko SV, Hu J, Kodambaka S, Richards R. Three-dimensional morphology control during wet chemical synthesis of porous chromium oxide spheres. ACS APPLIED MATERIALS & INTERFACES 2009; 1:1931-1937. [PMID: 20355817 DOI: 10.1021/am900334q] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Controlling the morphological evolution in nanostructures is essential for improving their functionality, for example, in catalysis. Here, we demonstrate, using chromium oxide as a model system, that morphologies of functional binary oxide particles can be tailored by an efficient template-free synthetic approach. We construct a morphological "phase diagram" for chromium oxide spheres that shows the evolution of size and surface roughness as a function of the precursor and urea concentrations. It is notable that these chromium oxide spheres show an exceptional ability to remove azo-dye pollutant in water treatment. Thus, the porous chromium oxide spheres with very good dye absorptions are expected to be useful in alternative absorption technologies.
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Affiliation(s)
- Lifang Chen
- Department of Chemistry and Geochemistry, Colorado School of Mines, Golden, Colorado 80401, USA
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Chen L, Hu J, Mal SS, Kortz U, Jaensch H, Mathys G, Richards R. Heterogeneous Wheel-Shaped Cu20-Polyoxotungstate [Cu20Cl(OH)24(H2O)12(P8W48O184)]25−Catalyst for Solvent-Free Aerobic Oxidation ofn-Hexadecane. Chemistry 2009; 15:7490-7. [DOI: 10.1002/chem.200900031] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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