Articles with "zno al2o3" as a keyword



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A DFT study of the catalytic pyrolysis of benzaldehyde on ZnO, γ-Al2O3, and CaO models

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Published in 2018 at "Journal of Molecular Modeling"

DOI: 10.1007/s00894-018-3587-x

Abstract: AbstractThe catalytic pyrolysis pathways of carbonyl compounds in coal were systematically studied using density functional theory (DFT), with benzaldehyde (C6H5CHO) employed as a coal-based model compound and ZnO, γ-Al2O3, and CaO as catalysts. The results… read more here.

Keywords: benzaldehyde; pyrolysis; al2o3 cao; catalytic pyrolysis ... See more keywords
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Highly-selective CO2 conversion via reverse water gas shift reaction over the 0.5wt% Ru-promoted Cu/ZnO/Al2O3 catalyst

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Published in 2019 at "Applied Catalysis A: General"

DOI: 10.1016/j.apcata.2019.02.016

Abstract: Abstract The reverse water gas shift (RWGS) reaction can be potentially used to convert captured CO2 into renewable synthetic fuels via syngas generation. However, this conversion pathway has not been yet realized because of a… read more here.

Keywords: catalyst; conversion; zno al2o3; reaction ... See more keywords
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The role of catalysts in the decomposition of phenoxy compounds in coal: A density functional theory study

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Published in 2018 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2017.09.170

Abstract: Abstract The pyrolysis mechanisms of anisole (C6H5OCH3), as a coal-based model compound, on CaO, ZnO and γ-Al2O3 catalysts were studied using density functional theory (DFT). In contrast to the products of pyrolysis (C6H6, H2 and… read more here.

Keywords: density functional; pyrolysis; cao zno; functional theory ... See more keywords
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Study of CO2 adsorption on a commercial CuO/ZnO/Al2O3 catalyst

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Published in 2020 at "Catalysis Today"

DOI: 10.1016/j.cattod.2019.07.024

Abstract: Abstract The interaction between CO2 and a commercial CuO/ZnO/Al2O3 (CZA) catalyst has been investigated by employing temperature-programmed desorption (TPD), FTIR spectroscopy and equilibrium adsorption-desorption experiments. TPD runs were carried out after exposure of the reduced… read more here.

Keywords: co2 adsorption; catalyst; commercial cuo; adsorption ... See more keywords
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Crucial factors to maximize DME productivity on hydrophobic bifunctional Cu-ZnO-Al2O3/ferrierite by direct CO2 hydrogenation

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Published in 2020 at "Catalysis Today"

DOI: 10.1016/j.cattod.2020.05.010

Abstract: Abstract The maximum production rate of dimethyl ether (DME) through direct CO2 (or CO) hydrogenations on the bifunctional Cu-ZnO-Al2O3 hybridized with highly crystalline ferrierite (FER) zeolite (CZA/FER) was observed at an optimal Si/Al molar ratio… read more here.

Keywords: bifunctional zno; zno; direct co2; dme productivity ... See more keywords
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Using pomegranate peel powders as a new capping agent for synthesis of CuO/ZnO/Al2O3 nanostructures; enhancement of visible light photocatalytic activity

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Published in 2018 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2018.06.034

Abstract: Abstract CuO/ZnO/Al2O3 (CZA) nanoclusters were successfully synthesized via a facial and green method in the presence of pomegranate. The structural analysis of the samples confirmed the formation of CZO nanostructures in the range of 14–17 nm.… read more here.

Keywords: photocatalytic activity; cuo zno; visible light; zno al2o3 ... See more keywords
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Fabrication and field emission properties of ZnO/Al2O3 nanocomposite tetrapods

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Published in 2017 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2016.11.020

Abstract: Abstract ZnO/Al2O3 nanocomposite tetrapods (T-ZnO/Al2O3) with different thickness of Al2O3 film were fabricated by thermal evaporation ZnO tetrapods (T-ZnO) followed by atomic layer deposition (ALD) of Al2O3. The effects of Al2O3 on the optical and… read more here.

Keywords: field; emission properties; field emission; zno al2o3 ... See more keywords
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ZnO/Al2O3/p-Si/Al2O3/CuO heterojunction NIR photodetector with inverted-pyramid light-trapping structure

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Published in 2021 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2021.159864

Abstract: Abstract Micro and nano light-trapping structures are widely applied to improve the performance of optoelectronic devices. In this work, inverted-pyramid light trapping texture on industrial-sized p-type silicon was prepared by a rapid and repeatable one-step… read more here.

Keywords: light trapping; pyramid light; al2o3; inverted pyramid ... See more keywords
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Preparation and properties of situ-sintered SiC ceramics aided by ZnO-Al2O3-CaO

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Published in 2022 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2021.161854

Abstract: Abstract The safe treatment and disposal of radioactive graphite waste is becoming an important issue worldwide. The objective of this paper is to prepare the SiC-ZAC (ZAC: ZnO-Al2O3-CaO) composite ceramic for immobilizing radioactive graphite, where… read more here.

Keywords: al2o3 cao; sic ceramics; zno al2o3;
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Development of Sm3 + doped ZnO-Al2O3-BaO-B2O3 glasses for optical gain medium

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Published in 2018 at "Journal of Non-crystalline Solids"

DOI: 10.1016/j.jnoncrysol.2017.12.012

Abstract: Abstract Sm3 + doped ZnO-Al2O3-BaO-B2O3 glasses have been prepared and characterized. These glasses have been developed by melt and quenching technique. The characterization includes the physical, optical, luminescence, and radiative properties. The lasing potential of glass… read more here.

Keywords: bao b2o3; b2o3 glasses; doped zno; al2o3 bao ... See more keywords
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反应吸附脱硫中有序介孔Cu-ZnO-l 2 O 3 吸附剂提高其饱和硫容

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Published in 2018 at "Chinese Journal of Catalysis"

DOI: 10.1016/s1872-2067(18)63085-2

Abstract: Abstract To enhance sulfur adsorption and reactive activity, ordered mesoporous Cu-ZnO-Al2O3 adsorbents were prepared by a novel one-pot evaporation-induced self-assembly strategy using P123 as a structure-directing agent and ethanol as the solvent for reactive adsorption… read more here.

Keywords: mesoporous structure; zno; structure; ordered mesoporous ... See more keywords