In this study, blue‐emitting AlN:Eu²⁺ spherical phosphors were successfully synthesized for the first time by the carbothermal reduction nitridation (CRN) method, assisted with high nitrogen...

Ni-Based catalysts have been considered as promising non-noble-metal hydrogen evolution reaction (HER) electrocatalysts for future clean energy devices. Here, atomically thin metallic …

2021年9月27日 · The high-resolution Ni 2p and N1s XPS patterns show that Co–Ni/Ni 3 N owns the most positively/negative charged nature of Ni and N sites (Figure S20), suggesting its …

Our experimental findings revealed that Fe impurities play an essential role in obtaining notable OER activity using the Ni₃N precatalyst. Additionally, our Ni₃N/Ni foam electrode exhibited a low...

2021年4月1日 · The XPS was performed to analyze the composition and surface chemical states of Ni 3 N/Ni 0.2 Mo 0.8 N as shown in Fig. 2. The survey spectra (Fig. 2 a) shows the …

2020年12月1日 · In the present work, we develop a step-by-step nitridation process of nickel hydroxide arrays to grow a purposely integrated core@shell nanostructured precatalyst Ni 3 …

2017年11月1日 · X-ray photoelectron spectroscopy (XPS) measurements were performed on an ESCALAB-250 to characterize the valence of carbon atoms on the surface of the …

Hence, in this report, we design and successfully in situ fabricate the reduced graphene oxides (rGO) supported heterostructure between Ni nanoparticles (NPs) and nitride of Ni-Mo alloy (Ni …

2023年5月3日 · The X-ray photoelectron spectroscopy (XPS) analysis of Ni 3 N nanosheets showed peaks located at 852.6 eV and 855.7 eV of Ni2p 3/2 were assigned to Ni(I) and Ni(II), …

2018年10月31日 · A systematic electrochemical study was carried out to investigate the superior hydrogen electrochemistry catalyzed by Ni3N/Ni, including nearly zero overpotential of …