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), …

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 ...

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 …

受天然固氮酶的启发，我们仿生设计了一种无机催化剂，掺杂了Mo（IV）的FeS 2，用于将二氮电还原为氨。 Mo（IV）离子有利于N 2的吸附和活化，而FeS 2底物抑制竞争性氢释放反应，并且这两个因素共同赋予催化剂在相对于RHE的-0.2 V下具有14.41％的高法拉第效率。

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.

对生物固氮酶FeMo中心模拟，作者合成了Mo掺杂的FeS 2 。 作者通过DFT计算发现Mo(IV)的掺杂 有利于N 2 的吸附作用 ， FeS 2 基底能够抑制竞争性的分解水反应 ，通过这种作用Mo(IV)-FeS 2 催化剂在-0.2 V电压中工作实现了14.41 %的高法拉第效率。