Apr 2, 2020 · The Mo(IV) ions favor the adsorption and activation of N 2, while the FeS 2 substrate depresses the competitive hydrogen evolution reaction, and the two factors jointly endow the catalyst with a high Faraday efficiency of 14.41% at −0.2 V versus RHE.

Aug 1, 2024 · In this study, Mo doped FeS 2 nanosheet with rich sulfur vacancies (SVs) grown on activated carbon fibers was successfully synthesized and employed as a PMS activator to remove sulfamethazine (SMT), ARB and ARGs in aqueous solution.

Mar 15, 2024 · A composite of MoS 2 –FeS 2 was synthesized and applied as a bifunctional electrocatalyst to fabricate a modified glassy carbon electrode capable of facilitating the hydrogen evolution reaction (HER), iodide oxidation reaction (IOR), …

FeS 2 /MoS 2 catalyst exhibits excellent NRR catalytic performance in neutral media. The electrocatalytic nitrogen reduction reaction (NRR) is recognized as a promising next-generation technology for efficient and environmentally friendly nitrogen fixation, attracting significant research interest.

Dec 15, 2022 · Sulfur vacancy-enriched FeS2@MoS2 is developed to activate peroxymonosulfate for efficient degradation of refractory organic pollutants in water.

Aug 5, 2024 · Low H2O2 utilization efficiency for hydroxyl radical generation, acidic pH, and recyclability are critical limitations of heterogeneous Fenton and photo-Fenton catalysts. The present research shows that the optimum Mo doping of FeS2 particles can largely alleviate these catalysis constraints.

Dec 30, 2024 · There is a strong interfacial coupling through electrons. The Mo-FeS 2 /Ni 3 S 2 @C exhibits excellent OER activity in alkaline solution. The development of high-performance oxygen evolution reaction (OER) electrocatalysts is quite pivotal to facilitate hydrogen production.

Mar 20, 2024 · XPS analysis confirms evident chemical interaction between MoS2 and FeS2 via an interfacial covalent bond (Mo–S–Fe). This MoS2/FeS2 anode shows a distinct interfacial effect for efficient interatomic electron migration.

Nov 24, 2021 · In this work, a series of three-dimensional (3D) porous iron foam (abbreviated as IF) self-supported FeS 2 -MoS 2 bimetallic hybrid materials, denoted as FeS 2 -MoS 2 @IF x, x = 100, 200, 300, and 400, were designed and synthesized and …

In this study, Mo doped FeS 2 nanosheet with rich sulfur vacancies (SVs) grown on activated carbon fibers was successfully synthesized and employed as a PMS activator to remove sulfamethazine (SMT), ARB and ARGs in aqueous solution.

Jun 1, 2022 · Developing efficient ammonia synthesis technology under ambient conditions is of vital importance. In this work, an FeS 2 coupled MoS 2 heterostructure with ultrathin features was designed by a one-step hydrothermal process for the electrochemical nitrogen reduction reaction.

Apr 26, 2021 · It is believed that the MoS 2 /FeS nanocomposite represents an efficient heterogeneous Fenton catalyst that can greatly promote the performance of advanced oxidation processes (AOPs) for solving practical environmental issues.

May 25, 2020 · Electroactive FeS 2-modified MoS 2 (FeS 2 /MoS 2) nanosheet grown on Mo foil is designed as supercapacitor electrode material. FeS 2 /MoS 2 nanosheet is crosslinked to form nanoporous microstructure.

By measuring the concentration changes of Fe 3%2B and Fe 2%2B in the two reaction systems of FeS 2 and FeS2@Mo, it was found that the doping of Mo increased the ratio of Fe 2%2B in the solution, which promoted the conversion of Fe 3%2B to Fe 2%2B, improving the catalytic efficiency of Fenton.

Sep 5, 2016 · The possibility of a FeS2 phase formation in the 2D MoS2 structure was investigated by an ab initio DFT approach. Various concentrations of FeS2 in MoS2 have been analyzed, and it is shown that the energy favorable structures of the Mo1−xFexS2 composition are in-plane hybrid phases, FeS2 and MoS2 domains.

Mar 1, 2025 · In this work, MoS 2 /FeS 2 nanocomposites were synthesized by a green and simple one-step hydrothermal method to improve the poor Fenton-like activity of MoS 2. A series of characterization techniques demonstrated that the MoS 2 and FeS 2 were chemically and firmly bonded through the Mo-S-Fe bonding.

FeS2/MoS2 nanosheet is crosslinked to form nanoporous microstructure. Density functional theory calculation reveals FeS2/MoS2 exhibits much narrowed bandgap and high density of states at the Fermi level, suggesting highly improved conductivity.

Jun 14, 2023 · Benefiting from the unique structural traits, optimized FeS 2 @MoO 2 delivers an initial discharge capacity of 1271 mA h g –1. In addition, after 100 cycles, the capacity of FeS 2 @MoO 2 could reach ∼308 mA h g –1, larger than that of pristine FeS 2.

Jun 17, 2021 · In this work, inorganic-based catalysts with [Fe-S 2 -Mo] motifs mimic FeMoco in nature for ammonia synthesis. Superior photocatalytic N 2 reduction is achieved with a solar-to-NH 3 energy-conversion efficiency of 0.24% at 270°C, which is the highest efficiency among all reported photocatalytic systems.

In this work, a series of three-dimensional (3D) porous iron foam (abbreviated as IF) self-supported FeS 2 –MoS 2 bimetallic hybrid materials, denoted as FeS 2 –MoS 2 @IF x, x = 100, 200, 300, and 400, were designed and synthesized …