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Activated carbon induced oxygen vacancies-engineered nickel ferrite with enhanced conductivity for supercapacitor

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2088-2100 doi: 10.1007/s11705-023-2352-6

Abstract: Activated carbon induced oxygen vacancies-engineered nickel ferrite with enhanced conductivity for supercapacitor

Keywords： nickel ferrite conductivity     carbon oxygen vacancies    

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Enhanced performance of oxygen vacancies on CO adsorption and activation over different phases of ZrO

Frontiers in Energy 2023, Volume 17, Issue 4,   Pages 545-554 doi: 10.1007/s11708-023-0867-7

Abstract: The effect of oxygen vacancies on the adsorption and activation of CO2 on the surface of differentThe calculations show that the oxygen vacancies contribute greatly to both the adsorption and activationvacancies.Furthermore, the activation of CO2 on the ZrO2 surface where oxygen vacancies areThis finding demonstrates that the presence of oxygen vacancies promotes the activation of CO2

Keywords： CO2 activation     oxygen vacancies     ZrO2     different phases    

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Photoreduction adjusted surface oxygen vacancy of BiMoO for boosting photocatalytic redox performance

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1937-1948 doi: 10.1007/s11705-023-2353-5

Abstract: In this study, Bi2MoO6 with adjustable rich oxygen vacancies was prepared by aThe experiment results show that Bi2MoO6 with rich oxygen vacancies is an excellentThe results display that the band energy of the samples with oxygen vacancies was narrowed and the lightTherefore, this work provides a convenient and efficient method to prepare potential adjustable oxygen

Keywords： Bi2MoO6     oxygen vacancies     photoreduction     Cr(VI)     RhB    

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Enhanced photocatalytic water splitting with surface defective SrTiO

Junying LIU, Zhidong WEI, Wenfeng SHANGGUAN

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 700-709 doi: 10.1007/s11708-021-0735-2

Abstract: The surface reconstruction of SrTiO nanocrystals is attributed to the introduction of surface oxygenvacancies or Ti sites (such as Ti and Ti ) during the hydrogenation treatment process.absorption and the charge transfer ability of SrTiO nanocrystals are simultaneously enhanced due to surface oxygenvacancies or Ti sites (such as Ti and Ti ), which are beneficial to photocatalytic water splitting.Since there existed a synergistic effect between the three, the ratio of hydrogen to oxygen production

Keywords： SrTiO3     surface reconstruction     oxygen vacancies     photocatalytic water splitting    

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Oxygen-deficient MoO/NiS heterostructure grown on nickel foam as efficient and durable self-supported

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4,   Pages 437-448 doi: 10.1007/s11705-022-2228-1

Abstract: Ni3S2 spheres comprising Ni3S2 nanoparticles inside and oxygen-deficientDensity functional theory calculations confirm that the existing oxygen vacancy and MoOx<

Keywords： molybdenum oxides     oxygen vacancies     heterostructure     electrocatalysts     hydrogen evolution reaction    

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Cooperative effect between copper species and oxygen vacancy in CeZrCuO catalysts for carbon monoxide

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1524-1536 doi: 10.1007/s11705-021-2106-2

Abstract: Thus, the number of oxygen vacancies caused by the Cu2+ entering the lattice (e.g., Cu2+–□–Ce4+; □: oxygen vacancy), and the amount of reducible copper species caused byCatalytic CO oxidation tests indicated that the oxygen vacancy and the reducible copper species wereThus, the samples x = 0.1 and 0.3, which possessed the most oxygen vacancy or reducible copper

Keywords： Ce–Zr–Cu–O     CO oxidation     reducible copper species     oxygen vacancy     cooperative effect    

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Metal-free, carbon-based catalysts for oxygen reduction reactions

Zhiyi Wu,Zafar Iqbal,Xianqin Wang

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 3,   Pages 280-294 doi: 10.1007/s11705-015-1524-4

Abstract: Developing metal-free, carbon-based catalysts to replace platinum-based catalysts for oxygen reductionIn recent years, different carbon structures including carbon doped with IIIA-VIIA heteroatoms (C−M site-based, where M represents the doped heteroatom) and polynitrogen (PN) compounds encapsulated in carbon nanotubesStrategies for tailoring the structures of the carbon substrates to improve ORR performance are also

Keywords： oxygen reduction reaction     electrocatalysis     metal-free     carbon-based     polynitrogen    

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“Charging” the cigarette butt: heteroatomic porous carbon nanosheets with edge-induced topological defectsfor enhanced oxygen evolution performance

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11,   Pages 1755-1764 doi: 10.1007/s11705-023-2318-8

Abstract: Owing to the complexity of electron transfer pathways, the sluggish oxygen evolution reaction processIn this effort, metal nanoparticles (Co, Ni, Fe, etc.) encapsulated within nitrogen-doped carbon materialstreatment using cigarette butts as raw materials, which can drastically accelerate the overall rate of oxygenThe prepared catalyst of nitrogen-doped carbon porous nanosheets loaded with Co nanoparticles (Co@NC-500) exhibits enhanced catalytic activity toward oxygen evolution reaction, with a low overpotential

Keywords： oxygen evolution reaction     porous carbon nanosheets     Co nanoparticles     edge-induced topological defects    

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Performance and kinetics of iron-based oxygen carriers reduced by carbon monoxide for chemical looping

Xiuning HUA,Wei WANG,Feng WANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 6,   Pages 1130-1138 doi: 10.1007/s11783-015-0821-y

Abstract: Chemical looping combustion is a promising technology for energy conversion due to its low-carbon, high-efficiencyA vital issue for CLC process is the development of oxygen carrier, since it must have sufficient reactivityThe mechanism and kinetics of CO reduction on iron-based oxygen carriers namely pure Fe O and Fe OThe boosting recital of iron-based oxygen carrier support toward efficient chemical looping combustion

Keywords： chemical looping combustion     iron-based oxygen carriers     reduction kinetics     carbon monoxide     statistics    

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Phosphorus transformation under the influence of aluminum, organic carbon, and dissolved oxygen at the

Ouchen Cai, Yuanxiao Xiong, Haijun Yang, Jinyong Liu, Hui Wang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 3, doi: 10.1007/s11783-020-1227-z

Abstract: The effects of sediment aluminum (Al), organic carbon (OC), and dissolved oxygen (DO) on phosphorus (

Keywords： Phosphorus     Sediment     Simulation     Dissolved oxygen     Organic carbon     Aluminum    

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Metal phosphonate-derived cobalt/nickel phosphide@N-doped carbon hybrids as efficient bifunctional oxygen

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 9,   Pages 1367-1376 doi: 10.1007/s11705-022-2153-3

Abstract: The exploration of efficient bifunctional electrocatalysts for oxygen reduction reaction and oxygen evolutionHerein, a novel metal phosphonate-derived cobalt/nickel phosphide@N-doped carbon hybrid was developedderivation method achieved an intimately coupled interaction between metal phosphides and a heteroatom-doped carbonMoreover, remarkable oxygen evolution reaction activity was also observed in alkaline conditions.This work not only describes a high-efficiency electrocatalyst for both oxygen reduction reaction and

Keywords： metal phosphonate     cobalt/nickel phosphide     N-doped carbon     oxygen electrochemistry     Zn−air battery    

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Floret-like Fe–N nanoparticle-embedded porous carbon superstructures from a Fe-covalent triazine polymerboosting oxygen electroreduction

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 5,   Pages 525-535 doi: 10.1007/s11705-022-2232-5

Abstract: desirable superstructure have attracted immense attention as promising catalysts for electrochemical oxygencovalent triazine polymer for the fabrication of Fe–Nx nanoparticle-embedded porous carbonAs expect, the Fe/N@CNF-800 exhibited unexpected oxygen reduction reaction catalytic performance withThis contribution offers a valuable avenue to exploit efficient metal nanoparticles-based carbon catalysts

Keywords： Fe–Nx nanoparticles     hypersaline-confinement conversion     floret-like carbon     covalenttriazine polymers     oxygen reduction reaction    

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Construction of defect-containing UiO-66/MoSe heterojunctions with superior photocatalytic performance for wastewater treatment and mechanism insight

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4,   Pages 449-459 doi: 10.1007/s11705-022-2226-3

Abstract: The existence of Mo6+ and oxygen vacancies, in addition to the Z-type heterojunction promote

Keywords： UiO-66/MoSe2     photocatalysis     dye-containing wastewater     heavy metal wastewater     oxygen vacancies    

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3D Network nanostructured NiCoP nanosheets supported on N-doped carbon coated Ni foam as a highly activebifunctional electrocatalyst for hydrogen and oxygen evolution reactions

Miaomiao Tong, Lei Wang, Peng Yu, Xu Liu, Honggang Fu

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 417-424 doi: 10.1007/s11705-018-1711-1

Abstract:

A highly active bi-functional electrocatalyst towards both hydrogen and oxygen evolution reactionsa self-supported electrode composed of 3D network nanostructured NiCoP nanosheets grown on N-doped carbonNiCoP/NF@NC electrode needs overpotentials of 31.8 mV for hydrogen evolution reaction and 308.2 mV for oxygen

Keywords： bimetallic phosphides     N-doped carbon     self-support     hydrogen evolution     oxygen evolution    

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Ultrafine Fe-modulated Ni nanoparticles embedded within nitrogen-doped carbon from Zr-MOFs-confined conversionfor efficient oxygen evolution reaction

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 7,   Pages 1114-1124 doi: 10.1007/s11705-021-2087-1

Abstract: Improvement of the low-cost transition metal electrocatalyst used in sluggish oxygen evolution reactionIn this study, ultrafine Fe-modulated Ni nanoparticles embedded in a porous Ni-doped carbon matrix wereThis unique catalyst displays an efficient oxygen evolution reaction electrocatalytic activity with a

Keywords： metal-organic framework     pyrolysis     ultrafine     Fe-modulated Ni nanoparticles     oxygen evolution reaction    

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Title Author Date Type Operation

Activated carbon induced oxygen vacancies-engineered nickel ferrite with enhanced conductivity for supercapacitor

Journal Article

Enhanced performance of oxygen vacancies on CO adsorption and activation over different phases of ZrO

Journal Article

Photoreduction adjusted surface oxygen vacancy of BiMoO for boosting photocatalytic redox performance

Journal Article

Enhanced photocatalytic water splitting with surface defective SrTiO

Junying LIU, Zhidong WEI, Wenfeng SHANGGUAN

Journal Article

Oxygen-deficient MoO/NiS heterostructure grown on nickel foam as efficient and durable self-supported

Journal Article

Cooperative effect between copper species and oxygen vacancy in CeZrCuO catalysts for carbon monoxide

Journal Article

Metal-free, carbon-based catalysts for oxygen reduction reactions

Zhiyi Wu,Zafar Iqbal,Xianqin Wang

Journal Article

“Charging” the cigarette butt: heteroatomic porous carbon nanosheets with edge-induced topological defectsfor enhanced oxygen evolution performance

Journal Article

Performance and kinetics of iron-based oxygen carriers reduced by carbon monoxide for chemical looping

Xiuning HUA,Wei WANG,Feng WANG

Journal Article

Phosphorus transformation under the influence of aluminum, organic carbon, and dissolved oxygen at the

Ouchen Cai, Yuanxiao Xiong, Haijun Yang, Jinyong Liu, Hui Wang

Journal Article

Metal phosphonate-derived cobalt/nickel phosphide@N-doped carbon hybrids as efficient bifunctional oxygen

Journal Article

Floret-like Fe–N nanoparticle-embedded porous carbon superstructures from a Fe-covalent triazine polymerboosting oxygen electroreduction

Journal Article

Construction of defect-containing UiO-66/MoSe heterojunctions with superior photocatalytic performance for wastewater treatment and mechanism insight

Journal Article

3D Network nanostructured NiCoP nanosheets supported on N-doped carbon coated Ni foam as a highly activebifunctional electrocatalyst for hydrogen and oxygen evolution reactions

Miaomiao Tong, Lei Wang, Peng Yu, Xu Liu, Honggang Fu

Journal Article

Ultrafine Fe-modulated Ni nanoparticles embedded within nitrogen-doped carbon from Zr-MOFs-confined conversionfor efficient oxygen evolution reaction

Journal Article