2020年4月2日 · Inspired by the natural nitrogenase, we biomimetically designed an inorganic catalyst, Mo(IV)-doped FeS 2, for electroreduction of dinitrogen to ammonia. 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 ...

2024年8月1日 · 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.

2024年3月15日 · 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), …

摘要: 为提高非均相Fenton催化剂的催化效率，采用溶剂热法合成Mo掺杂FeS 2 的非均相Fenton催化剂(FeS 2 @Mo），用于催化降解水中双酚A（BPA）。 通过扫描电子显微镜（SEM）、X射线光电子能谱（XPS）和X射线衍射（XRD）对样品形貌和结构组成等进行表征，研究了H 2 O 2 ...

2020年5月25日 · 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. Density functional theory calculation reveals FeS 2 /MoS 2 exhibits much narrowed bandgap and high density of states at the Fermi level ...

2022年12月15日 · By anchoring MoS 2 nanosheets onto FeS 2 derived from different MIL-100 (Fe) precursors, a series of FeS 2 @MoS 2 - x samples featuring sulfur vacancies (SVs) were prepared as efficient peroxymonosulfate (PMS) activators to degrade sulfamethoxazole (SMX) from aqueous solution.

2024年12月30日 · 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.

摘要 为提高FeS2活化H2O2降解有机物的性能,本研究通过引入多价金属钼 (Mo)制备得到Mo掺杂的FeS2催化剂 (FeS2展开更多 @Mo),并用于催化降解水中双酚A (BPA).通过扫描电子显微镜 (SEM)、透射电子显微镜 (TEM)、X射线光电子能谱 (XPS)、X射线衍射 (XRD)对样品形貌和结构组成等进行表征.研究了H 浓度、FeS @Mo投加量、初始pH等条件对BPA降解效果的影响.结果表明: (1)Mo掺杂的FeS 呈现花瓣形球体,尺寸500~1000 nm. (2)在条件为5 mmol/L H 、100 mg/L …

2020年5月1日 · 摘要 在 Mo 箔上生长的电活性 FeS2 修饰的 MoS2 (FeS2/MoS2) 纳米片被设计为超级电容器电极材料。FeS2/MoS2 纳米片交联形成纳米多孔微结构。密度泛函理论计算表明，FeS2/MoS2 在费米能级上表现出更窄的带隙和高态密度，表明电导率得到了极大改善。电荷转移电阻从 MoS2 的 1.375 Ω 降低到 FeS2/MoS2 的 0.4167 Ω。

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.