Articles with "hierarchical porosity" as a keyword



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Highly Hydrophobic ZIF‐8/Carbon Nitride Foam with Hierarchical Porosity for Oil Capture and Chemical Fixation of CO2

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Published in 2017 at "Advanced Functional Materials"

DOI: 10.1002/adfm.201700706

Abstract: The introduction of hierarchical porosity into metal-organic frameworks (MOFs) has been of considerable interest in gas separation and heterogeneous catalysis due to the efficient mass transfer kinetics through meso/macropores. Here, a facile, scalable approach is… read more here.

Keywords: hierarchical porosity; zif; carbon nitride; highly hydrophobic ... See more keywords
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Design of Hierarchical Porosity Via Manipulating Chemical and Microstructural Complexities in High‐Entropy Alloys for Efficient Water Electrolysis

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Published in 2022 at "Advanced Science"

DOI: 10.1002/advs.202105808

Abstract: Achieving a porous architecture with multiple‐length scales and utilizing the synergetic effects of multicomponent chemicals bring up new opportunities for further improving the electrocatalytic performance of nanocatalysts. Herein, the synthesis of a self‐supported hierarchical porous… read more here.

Keywords: hierarchical porosity; water; hea; design hierarchical ... See more keywords
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3D Networks of CoFePi with Hierarchical Porosity for Effective OER Electrocatalysis.

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Published in 2018 at "Small"

DOI: 10.1002/smll.201704403

Abstract: A series of amorphous 3D Co-based phosphate networks with hierarchical porosity, including the CoPi, the binary CoM1 Pi and the trinary CoM1 M2 Pi (Mi  = NiII , FeIII , CeIII ) are produced via… read more here.

Keywords: porosity; phosphate networks; hierarchical porosity; coii ... See more keywords
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From Meso to Macro: Controlling Hierarchical Porosity in Supraparticle Powders.

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Published in 2023 at "Small"

DOI: 10.1002/smll.202300241

Abstract: A drying droplet containing colloidal particles can consolidate into a spherical assembly called a supraparticle. Such supraparticles are inherently porous due to the spaces between the constituent primary particles. Here, the emergent, hierarchical porosity in… read more here.

Keywords: hierarchical porosity; controlling hierarchical; supraparticle; macro controlling ... See more keywords
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Hierarchical Porosity Tailoring of Sol–Gel Derived Pt/SiO2 Catalysts

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Published in 2018 at "Topics in Catalysis"

DOI: 10.1007/s11244-018-1032-0

Abstract: Hierarchically porous materials offer the opportunity for catalyst development in regards to improving catalytic performances. In the present work, the combination of latex synthesis, sonochemical reduction and two-step catalysed sol–gel process has been demonstrated to… read more here.

Keywords: hierarchical porosity; porosity tailoring; sio2 catalysts; sol gel ... See more keywords
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Self-assembly of ultralight and compressible inorganic sponges with hierarchical porosity by electrospinning

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Published in 2020 at "Ceramics International"

DOI: 10.1016/j.ceramint.2019.09.031

Abstract: Abstract The construction of three dimensional macroporous architectures holds exciting implications for applications such as catalysis, sensing, tissue engineering and thermal insulation. Here, we report a general self-assembly process for inorganic sponges with hierarchical porosity… read more here.

Keywords: porosity; self assembly; hierarchical porosity; sponges hierarchical ... See more keywords
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Superwettable membrane with hierarchical porosity for simultaneous separation of emulsions and removal of nanoparticles

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Published in 2020 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"

DOI: 10.1016/j.colsurfa.2020.125798

Abstract: Abstract The burgeoning severity of water pollution calls for new developments in membrane design, particularly those that can separate oil from water while simultaneously removing nanoparticulates. In this study, a poly(vinyl alcohol-co-ethylene) nanofiber membrane possessing… read more here.

Keywords: hierarchical porosity; water; separation; superwettable membrane ... See more keywords
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Nickel-containing hybrid ceramics derived from polysiloxanes with hierarchical porosity for CO2 methanation

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Published in 2019 at "Microporous and Mesoporous Materials"

DOI: 10.1016/j.micromeso.2018.11.006

Abstract: Abstract Nickel-containing hybrid ceramics were prepared by pyrolytic conversion from either methyl or methyl-phenyl polysiloxanes mixed with bistrimethoxysilylpropylamine (BisA) as a complexing agent and nickel salt. Materials with tailorable characteristics were generated by varying the… read more here.

Keywords: catalytic performance; hierarchical porosity; containing hybrid; hybrid ceramics ... See more keywords
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Generation of hierarchical porosity in beta zeolite by post-synthesis treatment with the cetyltrimethylammonium cationic surfactant under alkaline conditions

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Published in 2019 at "Microporous and Mesoporous Materials"

DOI: 10.1016/j.micromeso.2019.02.001

Abstract: Abstract Commercial Beta zeolite (Si/Al = 19) was treated with aqueous solutions of hexadecyltrimethylammonium (CTA) in the presence of NaOH or NH4OH to generate hierarchical porosity in the material. The combination of a basic media and surfactant… read more here.

Keywords: beta; beta zeolite; generation; hierarchical porosity ... See more keywords
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Mn–N–C catalysts derived from metal triazole framework with hierarchical porosity for efficient oxygen reduction

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Published in 2023 at "Nanotechnology"

DOI: 10.1088/1361-6528/acb26c

Abstract: Manganese and nitrogen co-doped porous carbon (Mn–N–C) are proposed as one of the most up-and-coming non-precious metal electrocatalysts to substitute Pt-based in the oxygen reduction reaction (ORR). Herein, we chose metal triazole frameworks as carbon… read more here.

Keywords: oxygen reduction; metal triazole; hierarchical porosity;