
Asymmetric dinitrogen-coordinated nickel single-atomic sites for ...
2023年6月24日 · Developing highly efficient, selective and low-overpotential electrocatalysts for carbon dioxide (CO 2) reduction is crucial. This study reports an efficient Ni single-atom …
Ligand Engineering in Nickel Phthalocyanine to Boost the ...
2021年12月1日 · Employing the optimal catalyst—an amino-substituted NiPc—to convert CO 2 into CO in a flow cell can achieve an ultrahigh activity and selectivity of 99.8% at current …
中南大学邬俊/刘敏Angew:Ni纳米团簇稳定不饱和Ni-N3位点工业 …
2025年1月23日 · 通过X射线吸收近边结构(XANES)光谱和扩展X射线吸收精细结构(EXAFS)光谱对Ni6@Ni-N3的配位环境和电子结构进行考察,与NiPc和镍箔对比,提出催 …
Nickel phthalocyanine anchored onto N-doped biochar for …
2024年10月1日 · Herein, an active catalyst nickel phthalocyanine anchored N-doped ball milled biochar (NiPc/N-BMBC) was developed with highly enriched pore structure and high surface …
1D COFs with phthalocyanine functional building blocks and imide ...
2024年10月30日 · Fourier-transformed extended X-ray absorption fine structure (FT-EXAFS) spectra reveal that both COFs display Ni-N 4 scattering path peaks at 1.4 Å, consisted with …
(a) Ni K-edge XANES spectra of HS-NiPc and NiPc. (b
In addition, in the extended X-ray absorption fine structure (EXAFS) spectra (Figure 1 b), the main peaks of NiPc and HS-NiPc at approximately 1.46 Å (Ni−N bond) exhibit similar intensity ...
Boosting Defective Carbon by Anchoring Well-Defined Atomically ...
2020年6月29日 · Extended X-ray absorption fine structure (EXAFS) spectroscopy and aberration-corrected high-angle annular dark-field scanning transmission electron microscopy (HAADF …
南开大学周震教授ACB:快速热解本征促进的镍单原子催化剂选择 …
酞菁镍( NiPc )在1.46 Å 附近出现主峰,这可能是由于Ni原子与第一层(Ni-N)之间的散射作用。 值得注意的是,Ni-SAC@NC的主峰为1.41 Å ,其短于NiPc的主峰,表明Ni-SAC@NC中Ni …
Precursor-mediated in situ growth of hierarchical N-doped ... - PNAS
The Fourier-transformed (FT) Ni K-edge EXAFS profile of Ni-NG (acetonitrile) and Ni-NG (pyridine) in Fig. 3 E and F shows a prominent peak at 1.35 Å and 1.38 Å, respectively, falling …
Interpretation of the Ni K-edge EXAFS in ... - ScienceDirect
2011年7月1日 · The EXAFS signal generated within the first six coordination shells (up to ~ 6.5 Å) was successfully interpreted using classical molecular dynamics and ab initio multiple …