2021年4月15日 · X-ray adsorption near-edge structure (XANES) and extended X-ray adsorption fine structure (EXAFS) spectra reveal the structural information of NiS/C 3 N 4 catalysts in depth.

2020年8月17日 · Using in situ X-ray absorption spectroscopy (XAS), we show that the dominant active site for HER is the Ni single atom in its intrinsic environment in an acidic electrolyte, …

2022年5月25日 · Here, we perform anodic electrochemical oxidation of Ni-metalloids (NiP x, NiS x, and NiSe x) to in-situ construct different oxyanion-coordinated amorphous nickel …

2020年5月8日 · EXAFS of leached samples (table S2) supports the hypothesis of internal NiS x reservoirs by showing a Ni-Ni contribution similar to that of bulk Ni sulfides. Having …

2024年9月6日 · In this study, a type I p-n heterojunction photocatalyst (NiS/CTF-ES 200) has been successfully prepared by loading small NiS nanoparticles onto CTF-ES 200. The optimal …

2019年10月15日 · Owing to the weakly lattice distortion, electronic modulation and synergistic effect between NiS 2 and CoS 2 domains, that were characterized by HRTEM and EXAFS, the …

1992年5月15日 · Extended x-ray-absorption fine-structure (EXAFS) spectra of α-MnS, CoS, α-NiS, β-NiS, Ni 3 S 2, wurtzite ZnS, and GaS have been recorded at the S K edge. These …

EXAFS results demonstrate that the nickel sulfide particles in 60℃ dried sample are present in a tetrahetral structure with an average Ni -- S coordination distance of 0. 221nm and a Ni - S...

2017年9月26日 · 近日，厦门大学化学化工学院郑南峰、傅钢教授课题组与台湾大学化学系陈浩铭副教授课题组（共同通讯作者）在之前用电化学原位x射线吸收光谱（xas）研究镍-硫醇配位 …

2 天之前 · XANES and EXAFS data of Ni 3 S 3 H(PEt 3) 5 samples at the Ni K-edge (8333 eV) were collected in fluorescence mode with a seven-element silicon drift detector (Vortex ME-7, …