Articles with "dual metal" as a keyword



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Improving oxygen reduction reaction of microbial fuel cell by titanium dioxide attaching to dual metal organic frameworks as cathode.

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Published in 2022 at "Bioresource technology"

DOI: 10.1016/j.biortech.2022.126851

Abstract: In this study, a two-step simple distributed feeding method was used to prepare the core-shell nanocomposite dual metal organic frameworks (D-MOFs, TiO2@ZIF-67/ZIF-8). There were three obvious peaks (011), (112), (222) interface in D-MOFs core, which… read more here.

Keywords: zif; dual metal; metal organic; zif zif ... See more keywords
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Nanocrystal supracrystal-derived atomically dispersed Mn-Fe catalysts with enhanced oxygen reduction activity

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Published in 2019 at "Nano Energy"

DOI: 10.1016/j.nanoen.2019.06.047

Abstract: Abstract Iron-nitrogen-carbon (Fe-N-C) materials featuring Fe-N4 moieties are promising candidates to replace commercial Pt/C catalysts for the oxygen reduction reaction (ORR). Here we report a novel Mn-Fe-N/S@mC catalyst comprising atomically dispersed Fe-N4 sites and a… read more here.

Keywords: dual metal; oxygen reduction; atomically dispersed; activity ... See more keywords
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Atomically Dispersed Dual Metal Sites Boost the Efficiency of Olefins Epoxidation in Tandem with CO2 Cycloaddition.

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Published in 2022 at "Nano letters"

DOI: 10.1021/acs.nanolett.2c03087

Abstract: Tandem catalysis provides an economical and energy-efficient process for the production of fine chemicals. In this work, we demonstrate that a rationally synthesized carbon-based catalyst with atomically dispersed dual Fe-Al sites (ADD-Fe-Al) achieves superior catalytic… read more here.

Keywords: atomically dispersed; dual metal; metal sites; co2 cycloaddition ... See more keywords
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Regulating the FeN4 Moiety by Constructing Fe-Mo Dual-Metal Atom Sites for Efficient Electrochemical Oxygen Reduction.

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Published in 2022 at "Nano letters"

DOI: 10.1021/acs.nanolett.2c03623

Abstract: An Fe-N-C catalyst with an FeN4 active moiety has gained ever-increasing attention for the oxygen reduction reaction (ORR); however, the catalytic performance is sluggish in acidic solutions and the regulation is still a challenge. Herein,… read more here.

Keywords: dual metal; atom; oxygen reduction; moiety ... See more keywords
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Fabrication of Dexamethasone-Loaded Dual-Metal-Organic Frameworks on Polyetheretherketone Implants with Bacteriostasis and Angiogenesis Properties for Promoting Bone Regeneration.

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Published in 2021 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.1c18088

Abstract: Polyetheretherketone (PEEK) is a biocompatible polymer, but its clinical application is largely limited due to its inert surface. To solve this problem, a multifunctional PEEK implant is urgently fabricated. In this work, a dual-metal-organic framework… read more here.

Keywords: dual metal; polyetheretherketone; metal organic; bone ... See more keywords
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Dual-Metal Active Sites Mediated by p-Block Elements: Knowledge-Driven Design of Oxygen Reduction Reaction Catalysts

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Published in 2022 at "ACS Omega"

DOI: 10.1021/acsomega.2c01415

Abstract: In this study, the oxygen reduction reaction (ORR) process of dual-metal active site catalysts (FeMN6-Gra, M = Mn, Ni, Co, or Cu) mediated by p-block elements was investigated using density functional theory calculations. The obtained… read more here.

Keywords: dual metal; oxygen reduction; reduction reaction; oxygen ... See more keywords
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Dual Metal Site–Mediated Efficient C–N Coupling toward Electrochemical Urea Synthesis

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Published in 2023 at "Journal of Materials Chemistry A"

DOI: 10.1039/d3ta01011b

Abstract: Electrochemical urea synthesis is a promising technology for carbon utilization. It is challenging to widen CO2RR application. Herein, we report a CoPc–MoS2 system for promoting urea synthesis by C–N coupling... read more here.

Keywords: dual metal; synthesis; urea synthesis; metal site ... See more keywords
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Synthesis and characterization of dual metal zeolitic imidazolate frameworks and their application for removal of cefixime

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Published in 2019 at "Journal of Coordination Chemistry"

DOI: 10.1080/00958972.2019.1682562

Abstract: Abstract Dual metal zeolitic imidazolate frameworks (ZIF-2M) containing Zn and Co were synthesized in aqueous solution. These nanoparticles were characterized by XRD, FESEM, FTIR and BET. The presence of cobalt led to improved chemical and… read more here.

Keywords: removal cefixime; dual metal; imidazolate frameworks; metal zeolitic ... See more keywords
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Influence of premixed dual metal sulfides on the tribological performance of copper-free brake friction materials

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Published in 2020 at "Industrial Lubrication and Tribology"

DOI: 10.1108/ilt-03-2020-0116

Abstract: Purpose The purpose of this study is to deals with the effect of premixed dual metal sulfides (tin disulfide + iron disulfide) as a replacement for antimony trisulfide on the tribological performance of brake friction… read more here.

Keywords: premixed dual; dual metal; friction; metal sulfides ... See more keywords
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A Novel Gate-Normal Tunneling Field-Effect Transistor With Dual-Metal Gate

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Published in 2018 at "IEEE Journal of the Electron Devices Society"

DOI: 10.1109/jeds.2018.2864581

Abstract: In this combined experiment and simulation study we investigate a SiGe/Si based gatenormal tunneling field-effect transistor (TFET) with a pillar shaped contact to the tunneling junction which brings forth two significant advantages. The first, is… read more here.

Keywords: dual metal; gate; effect; metal gate ... See more keywords
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OFF-State Leakage Suppression in Vertical Electron–Hole Bilayer TFET Using Dual-Metal Left-Gate and N+-Pocket

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Published in 2022 at "Materials"

DOI: 10.3390/ma15196924

Abstract: In this paper, an In0.53Ga0.47As electron–hole bilayer tunnel field-effect transistor (EHBTFET) with a dual-metal left-gate and an N+-pocket (DGNP-EHBTFET) is proposed and systematically studied by means of numerical simulation. Unlike traditional transverse EHBTFETs, the proposed… read more here.

Keywords: state; dual metal; left gate; pocket ... See more keywords