We investigated here crystalline nickel carbide nanoparticles (NPs) as a catalyst in a colloidal suspension for hydrogenation reactions under H 2 (7 bar) and below 100 °C.

The synthesis of functional Ni/Ni3C nanoparticles has attracted significant interest, especially in the field of electrocatalysis, where these promising nanoparticles are employed to develop sophis...

2016年12月22日 · As a novel hydrogen evolution reaction (HER) catalyst, the Ni 3 C@PCN shows superior catalytic activity with an onset potential of −65 mV, an overpotential of 262 mV to achieve 50 mA cm –2 current density, a Tafel slope of …

2016年8月26日 · Nickel carbide nanoparticles (Ni 3 C NPs) were synthesized by a polyol solution refluxing route at a temperature of 300 °C for 20 min using triphenylphosphine oxide (TPPO) as the surfactant. Size and morphologies of the Ni 3 C NPs were controlled by adjusting the concentration of Ni (NO 3) 2 and TPPO.

2020年11月15日 · Loading Ni 3 C can notably improve the charge-separation performance and the H 2 evolution kinetics. Restriction of Ni 3 C content can suppress corrosion from the reductive carbonaceous precursor in the loading process. In this study, Ni 3 C nanoparticles (NPs) were loaded on LaNiO 3 NPs as a co-catalyst during the photocatalytic H 2 evolution.

2020年8月6日 · Experimentally, a facile strategy is designed to in situ fabricate Ni 3 C nanosheets on carbon cloth (CC), and simultaneously couple with Ni nanoparticles, resulting in the formation of an integrated heterostructure catalyst (Ni–Ni 3 C/CC).

2015年7月14日 · In this study, we present quantum chemical molecular dynamics (QM/MD) simulations of graphene nucleation from crystalline Ni 3 C phase. In doing so, we will reveal the atomistic mechanism of this...

2021年8月16日 · In this work, we highlighted a strategy to facilely synthesize one-dimensional Ni 3 C/Ni nanochains with excellent electrocatalytic oxidation for glucose through a simple solvothermal method with the assistance of 2-methylimidazole.

2024年8月7日 · The presence of Ni 3 C/Ni 3 S 2 heterojunctions accelerates the charge carrier transfer and promotes the generation of active sites, enabling the heterostructured electrocatalyst to achieve current densities of 10/100 mA cm −2 at 1.37 V/1.53 V.

2023年11月8日 · 功能性Ni/Ni 3 C纳米粒子的合成引起了人们的极大兴趣，特别是在电催化领域，这些有前途的纳米粒子被用来开发复杂的电催化剂，特别是通过析氢反应生产氢气。 然而，这些系统的显着反应活性使其容易降解，从而损害其催化剂性能。 为缓解这一问题而探索的一种解决方案涉及碳纳米结构的催化生长以封装和保护这些纳米颗粒。 从纳米颗粒形成碳纳米结构的机制仍然是本研究的主题。 在已报道的过程中，纳米催化剂的退火被描述为生产此类系统的高效方法 …