Articles with "iron nitrogen" as a keyword



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Sub‐50 nm Iron–Nitrogen‐Doped Hollow Carbon Sphere‐Encapsulated Iron Carbide Nanoparticles as Efficient Oxygen Reduction Catalysts

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Published in 2018 at "Advanced Science"

DOI: 10.1002/advs.201800120

Abstract: Abstract Sub‐50 nm iron–nitrogen‐doped hollow carbon sphere‐encapsulated iron carbide nanoparticles (Fe3C‐Fe,N/C) are synthesized by using a triblock copolymer of poly(styrene‐b‐2‐vinylpyridine‐b‐ethylene oxide) as a soft template. Their typical features, including a large surface area (879.5 m2… read more here.

Keywords: nitrogen doped; sub iron; carbon; iron ... See more keywords
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Upcycling of polyurethane into iron-nitrogen-carbon electrocatalysts active for oxygen reduction reaction

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Published in 2020 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2020.137200

Abstract: Abstract World plastic production has increased since industrial-scale production began in the 1940s and while large amount of thermoplastic polymers can be effectively recycled and re-used, undifferentiated polymers or thermoset polymers cannot, and as a… read more here.

Keywords: nitrogen carbon; carbon electrocatalysts; iron nitrogen; carbon ... See more keywords
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Pore-rich iron-nitrogen-doped carbon nanofoam as an efficient catalyst towards the oxygen reduction reaction

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Published in 2019 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2019.08.104

Abstract: Abstract Developing cost-effective electrocatalysts is crucial for oxygen reduction reactions. In this work, a highly active iron-nitrogen co-doped carbon nanofoam is proposed and developed via a facile salt-assisted pyrolysis process of chitooligosaccharides. i) Chitooligosaccharides, a… read more here.

Keywords: nitrogen doped; doped carbon; iron nitrogen; carbon ... See more keywords
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Preparation of iron and nitrogen co-doped carbon material Fe/N-CCM-T for oxygen reduction reaction

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Published in 2020 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2020.11.057

Abstract: Abstract In this paper, iron and nitrogen co-doped carbon material with nanotube structure (Fe/N-CCM-T) was synthesized by pyrolyzing a mixture of Fe salt, chitosan and melamine and displayed high electrocatalytic performance for oxygen reduction reaction… read more here.

Keywords: nitrogen doped; carbon; doped carbon; ccm ... See more keywords
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Multi-role graphitic carbon nitride-derived highly porous iron/nitrogen co-doped carbon nanosheets for highly efficient oxygen reduction catalyst.

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Published in 2020 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2020.08.122

Abstract: Pyrolyzing precursors containing iron, nitrogen and carbon elements is a commonly used process for synthesizing FeNC catalysts for oxygen reduction reaction (ORR). Generally, aggregation of iron-based species is prone to occur because of a lack… read more here.

Keywords: highly porous; carbon; iron; iron nitrogen ... See more keywords
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Electrochemical reductive remediation of trichloroethylene contaminated groundwater using biomimetic iron-nitrogen-doped carbon.

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Published in 2021 at "Journal of hazardous materials"

DOI: 10.1016/j.jhazmat.2021.126458

Abstract: Electrochemical dechlorination is a prospective strategy to remediate trichloroethylene (TCE)-contaminated groundwater. In this work, iron-nitrogen-doped carbon (FeNC) mimicking microbiological dechlorination coenzymes was developed for TCE removal under environmentally related conditions. The biomimetic FeNC-900, FeNC-1000, and… read more here.

Keywords: nitrogen doped; doped carbon; trichloroethylene; contaminated groundwater ... See more keywords
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High peroxidase-like activity of iron and nitrogen co-doped carbon dots and its application in immunosorbent assay.

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Published in 2017 at "Talanta"

DOI: 10.1016/j.talanta.2016.10.099

Abstract: Herein, iron and nitrogen co-doped carbon dots (Fe-N-CDs) were synthesized through a solvothermal method assisting with the microwave synthesis system for the first time. Multiple techniques were employed to characterize the properties of the obtained… read more here.

Keywords: nitrogen doped; doped carbon; peroxidase; carbon dots ... See more keywords
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Two-Dimensional Cobalt Sulfide/Iron-Nitrogen-Carbon Holey Sheets with Improved Durability for Oxygen Electrocatalysis.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c00067

Abstract: Transition-metal sulfide as a promising bifunctional oxygen electrocatalyst alternative to scarce platinum-group metals has attracted much attention, but it suffers activity loss over time owing to poor structural/compositional stability during catalysis. Herein, we report a… read more here.

Keywords: nitrogen carbon; iron nitrogen; cobalt sulfide;
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Iron–nitrogen co-doped hierarchically mesoporous carbon spheres as highly efficient electrocatalysts for the oxygen reduction reaction

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Published in 2017 at "RSC Advances"

DOI: 10.1039/c6ra26917f

Abstract: By using hierarchically mesoporous silica spheres as hard template, 2-aminopyridine and FeCl3 as carbon, nitrogen and iron sources, respectively, iron and nitrogen co-doped hierarchically mesoporous carbon spheres (Fe–N–CS) were successfully prepared. The sample Fe–N–CS-900 obtained… read more here.

Keywords: nitrogen doped; hierarchically mesoporous; carbon; iron nitrogen ... See more keywords
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An iron-nitrogen doped carbon and CdS hybrid catalytic system for efficient CO2 photochemical reduction.

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Published in 2021 at "Chemical communications"

DOI: 10.1039/d0cc07692a

Abstract: Iron porphyrin and carbon black (CB) were utilized to fabricate an iron-nitrogen doped carbon (Fe-N-C) catalyst to create a new heterogeneous catalytic system with CdS to drive CO2 reduction to CO under UV/vis light (AM… read more here.

Keywords: nitrogen doped; doped carbon; system; catalytic system ... See more keywords
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Iron and nitrogen co-doped graphene quantum dots as highly active peroxidases for the sensitive detection of l-cysteine

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Published in 2021 at "New Journal of Chemistry"

DOI: 10.1039/d1nj03559b

Abstract: New Fe,N co-doped GQDs are easily synthesized and have high peroxidase-mimicking activity for the selective and sensitive colorimetric detection of l-cysteine. read more here.

Keywords: detection cysteine; detection; nitrogen doped; graphene quantum ... See more keywords