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   Articles with "free carbon" as a keyword



Inclusion Strategy for Constructing S/N Orbital Hybridization-Regulated sp3/sp2 Carbon toward Boost Electrocatalysis.

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recommendations! Published in 2024 at "ChemSusChem"

DOI: 10.1002/cssc.202401267

Abstract: Metal-free carbon-based electrocatalysts have gained significant attention in the field of zinc-air batteries (ZABs) due to their affordability, good conductivity and chemical stability. However, unmodified carbon materials typically fall short in adsorbing and activating the… read more here.

Keywords: carbon; sp3 sp2; metal free; strategy ... See more keywords

2D/3D heterojunction engineering for hole transport layer-free carbon-based perovskite solar cells.

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recommendations! Published in 2025 at "ChemSusChem"

DOI: 10.1002/cssc.202402549

Abstract: Hole transport layer (HTL)-free carbon-based perovskite solar cells (C-PSCs) own outstanding potential for commercial applications due to their attractive advantages of low cost and superior stability. However, the abundant defects and mismatched energy levels at… read more here.

Keywords: carbon; htl free; carbon based; free carbon ... See more keywords

Metal-free carbon materials as catalysts for wet air oxidation

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recommendations! Published in 2020 at "Catalysis Today"

DOI: 10.1016/j.cattod.2019.04.047

Abstract: Abstract Metal-free carbon materials can provide an alternative to replace the traditional metal-based catalysts used in Catalytic Wet Air Oxidation (CWAO). The discovery and synthesis of novel carbon allotropes (carbon nanofibers, nanotubes, graphene-based materials and… read more here.

Keywords: oxidation; free carbon; carbon materials; wet air ... See more keywords

Novel approach for controlling free-carbon domain in silicone oil-derived silicon oxycarbide (SiOC) as an anode material in secondary batteries

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recommendations! Published in 2021 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2020.126581

Abstract: Abstract Silicon oxycarbide (SiOC) has been regarded as potential anode for lithium-ion secondary batteries (LIBs) due to high reversible capacities (higher than conventional graphite) and superior electrical conductivity with regard to free-carbon domain (FCD). Thus,… read more here.

Keywords: carbon; secondary batteries; carbon domain; free carbon ... See more keywords
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Metal-free carbon materials for persulfate-based advanced oxidation process: Microstructure, property and tailoring

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recommendations! Published in 2020 at "Progress in Materials Science"

DOI: 10.1016/j.pmatsci.2020.100654

Abstract: Abstract Metal-free carbon materials (MFCMs), as newly emerging efficient catalysts in persulfate-based advanced oxidation process (PS-AOP), have exhibited great engineering-application potential for environmental remediation. Nevertheless, the relationships between discrepant catalytic properties and structural/surface characteristics of… read more here.

Keywords: persulfate based; based advanced; free carbon; carbon materials ... See more keywords

A Pentagonal Defect-Rich Metal-Free Carbon Electrocatalysts for Boosting Acidic O2 Reduction to H2O2 Production.

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recommendations! Published in 2023 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.3c00689

Abstract: Metal-free carbon-based materials are considered one of the most promising two-electron oxygen reduction reaction (2e- ORR) electrocatalysts for the green synthesis of hydrogen peroxide (H2O2). However, most reported carbon electrocatalysts perform much more effectively in… read more here.

Keywords: carbon electrocatalysts; carbon; defect rich; metal free ... See more keywords

A review of oxygen reduction mechanisms for metal-free carbon-based electrocatalysts

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recommendations! Published in 2019 at "npj Computational Materials"

DOI: 10.1038/s41524-019-0210-3

Abstract: The sluggish kinetics of Oxygen Reduction Reaction (ORR) at the cathode in proton exchange membrane fuel cells or metal-air batteries requires highly effective and stable electrocatalysts to boost the reaction. The low abundance and high… read more here.

Keywords: carbon; free carbon; carbon materials; metal free ... See more keywords

Exploring the structural dependence of metal-free carbon electrocatalysts on zinc-based metal-organic framework types.

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recommendations! Published in 2022 at "Dalton transactions"

DOI: 10.1039/d2dt01718k

Abstract: Metal-organic frameworks (MOFs) have been widely used as precursors to derive carbon-based electrocatalysts for the oxygen reduction reaction (ORR) due to their high porosity and tunable chemical composition/structure. However, the influence of MOF type on… read more here.

Keywords: carbon; metal free; metal organic; carbon catalysts ... See more keywords

Recent advances in lead-free carbon supported perovskites based on Z-scheme and S-scheme heterojunctions for photocatalytic energy conversion.

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recommendations! Published in 2025 at "Materials horizons"

DOI: 10.1039/d4mh01516a

Abstract: Photocatalysis has emerged as a crucial technology for utilizing solar energy to combat global warming and energy shortages. In this realm, both organic and inorganic halide/oxide perovskites have attracted considerable interest. Despite the prevalence of… read more here.

Keywords: energy; recent advances; free carbon; lead free ... See more keywords

A metal-free carbon catalyst for highly selective electrocatalytic reduction of nitrostyrene.

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recommendations! Published in 2025 at "Chemical communications"

DOI: 10.1039/d5cc05532f

Abstract: We develop an oxidized graphite fiber catalyst that precisely reduces the nitro groups, while completely preserving the CC structure. The system demonstrates 79% faradaic efficiency for 3-vinylaniline with a high production rate of 0.146 mmol… read more here.

Keywords: catalyst; carbon catalyst; metal free; highly selective ... See more keywords

Theoretical evaluation of the realizable power conversion efficiency and the possible scheme for hole-transport-layer-free carbon-cathode CsPbI2Br solar cells

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recommendations! Published in 2025 at "Physica Scripta"

DOI: 10.1088/1402-4896/adaaad

Abstract: Hole-transport-layer (HTL)-free carbon-cathode CsPbI2Br solar cells have gained notable attention because of the good balance between light absorption and improved stability, as well as the cost advantage. However, the power conversion efficiency (PCE) experimentally realized… read more here.

Keywords: free carbon; solar cells; carbon cathode; cathode cspbi2br ... See more keywords