Active Sites on Oxide Surfaces: ZnO‐Catalyzed Synthesis of Methanol from CO and H<sub>2</sub>

Kurtz, Melanie; Strunk, Jennifer; Hinrichsen, Olaf; Mühler, Martin; Fink, Karin; Meyer, Bernd; Wöll, Christof

doi:10.1002/anie.200462374

Cited by 204 publications

(205 citation statements)

References 38 publications

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“…In particular, the generated holes can be used to oxidize/decompose organic pollutants, such as rhodamine 6G [210], methyl orange [314], methylene blue [159], and formaldehyde [315]. Because of the presence of active defect sites-such as oxygen vacancies-on the surface, ZnO has also been used in industry as a catalyst for the synthesis of methanol from CO and H 2 [316], or as a supporting scaffold for other catalysts, such as Cu [317], Cu/Fe composites [318], CuO [319], Au [320], for oxidative steam reforming of methanol.…”

Section: Catalytic Propertiesmentioning

confidence: 99%

One-dimensional ZnO nanostructures: Solution growth and functional properties

2011

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One-dimensional (1D) ZnO nanostructures have been studied intensively and extensively over the last decade not only for their remarkable chemical and physical properties, but also for their current and future diverse technological applications. This article gives a comprehensive overview of the progress that has been made within the context of 1D ZnO nanostructures synthesized via wet chemical methods. We will cover the synthetic methodologies and corresponding growth mechanisms, different structures, doping and alloying, positioncontrolled growth on substrates, and finally, their functional properties as catalysts, hydrophobic surfaces, sensors, and in nanoelectronic, optical, optoelectronic, and energy harvesting devices.

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Section: Catalytic Propertiesmentioning

confidence: 99%

One-dimensional ZnO nanostructures: Solution growth and functional properties

2011

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“…Zinc oxide (ZnO), as an important semiconductor material has been extensively investigated because of its great potential applications in electronics, photoelectronics, optics, sensors and catalysis [9][10][11][12][13]. These applications result from its unique properties, which depend not only on the phase but also on the morphology and organization.…”

Section: Introductionmentioning

confidence: 99%

Facile synthesis of hierarchical ZnO microstructures with enhanced photocatalytic activity

Miao

Shi

Nawrat

et al. 2017

Materials Science-Poland

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Flower-like ZnO microstructures were successfully synthesized via a facile hydrothermal route without using any surfactants. The morphology of these microstructures can be easily controlled by adjusting the pH of the reaction solution. The possible growth mechanism of ZnO hierarchical microstructures was proposed based on the X-ray powder diffraction (XRD) and scanning electron microscope (SEM) results. The photocatalytic activity studies of ZnO nanocrystals demonstrated their excellent photocatalytic performance in degrading aqueous methylene blue (MB) under UV-A light irradiation. This higher photocatalytic activity of the ZnO nanoplates was mainly attributed to the exposed facets with the higher surface energy.

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“…Using pyrolysis and gasification both can be successfully transformed to syngas 1, 2 which, in turn, is used in methanol formation. [3][4][5][6] Zeolite ZSM-5 is a well-known catalyst of MTH and MTG transformations. 7 Although this catalyst was used in the MTG process from early 1970s, its deactivation by coke formation dampened its applications.…”

Section: Introductionmentioning

confidence: 99%

Metal oxide–zeolite composites in transformation of methanol to hydrocarbons: do iron oxide and nickel oxide matter?

et al. 2016

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(2016) Metal oxide-zeolite composites in transformation of methanol to hydrocarbons : do iron oxide and nickel oxide matter? RSC Advances, 6 (79). pp. 75166-75177. Permanent WRAP URL:http://wrap.warwick.ac.uk/81920 Copyright and reuse:The Warwick Research Archive Portal (WRAP) makes this work of researchers of the University of Warwick available open access under the following conditions. Copyright © and all moral rights to the version of the paper presented here belong to the individual author(s) and/or other copyright owners. To the extent reasonable and practicable the material made available in WRAP has been checked for eligibility before being made available.Copies of full items can be used for personal research or study, educational, or not-for-profit purposes without prior permission or charge. Provided that the authors, title and full bibliographic details are credited, a hyperlink and/or URL is given for the original metadata page and the content is not changed in any way. Publisher statement:First published by Royal Society of Chemistry 2016 http://dx.doi.org/10.1039/C6RA19471K A note on versions:The version presented here may differ from the published version or, version of record, if you wish to cite this item you are advised to consult the publisher's version. Please see the 'permanent WRAP url' above for details on accessing the published version and note that access may require a subscription. ABSTRACT: The methanol-to-hydrocarbon (MTH) reaction received considerable attention as utilizing renewable sources of both value-added chemicals and fuels becomes number one priority for the society. Here, for the first time we report the development of hierarchical zeolites (ZSM-5) containing both iron oxide and nickel oxide nanoparticles. Modifying the iron oxide (magnetite, Fe3O4) amounts, we are able to control the catalyst activity and the product distribution in the MTH process. At the medium Fe3O4 loading, the major fraction is composed of the C9-C11 hydrocarbons (gasoline fraction). At the higher Fe3O4 loading, the C1-C4 hydrocarbons prevail in the reaction mixture, while at the lowest magnetite loading the major component is the C5-C8 hydrocarbons. Addition of Ni species to Fe3O4-ZSM-5 leads to the formation of mixed Ni oxides (NiO/Ni2O3) positioned either on top or next to Fe3O4 nanoparticles. This modification allowed us to significantly improve the catalyst stability due to diminishing coke formation and disordering of the coke formed. The incorporation of Ni oxide species also leads to a higher catalyst activity (up to 9.3 g(Methanol)/(g(ZSM-5)×h) and an improved selectivity (11.3% of the C5-C8 hydrocarbons and 23.6% of the C9-C11 hydrocarbons), making these zeolites highly promising for industrial applications.

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Active Sites on Oxide Surfaces: ZnO‐Catalyzed Synthesis of Methanol from CO and H₂

Cited by 204 publications

References 38 publications

One-dimensional ZnO nanostructures: Solution growth and functional properties

One-dimensional ZnO nanostructures: Solution growth and functional properties

Facile synthesis of hierarchical ZnO microstructures with enhanced photocatalytic activity

Metal oxide–zeolite composites in transformation of methanol to hydrocarbons: do iron oxide and nickel oxide matter?

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Active Sites on Oxide Surfaces: ZnO‐Catalyzed Synthesis of Methanol from CO and H2

Cited by 204 publications

References 38 publications

One-dimensional ZnO nanostructures: Solution growth and functional properties

One-dimensional ZnO nanostructures: Solution growth and functional properties

Facile synthesis of hierarchical ZnO microstructures with enhanced photocatalytic activity

Metal oxide–zeolite composites in transformation of methanol to hydrocarbons: do iron oxide and nickel oxide matter?

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Active Sites on Oxide Surfaces: ZnO‐Catalyzed Synthesis of Methanol from CO and H₂