2022年12月15日 · X-ray absorption spectra (XAS) analysis confirms the atomically dispersed Fe and Co sites and reveals the electronic interaction between FePc and Co-N 3. The cobalt single atoms can break the electronic distribution symmetry of FePc and induce electronic localization to boost the ORR performance.

2020年8月20日 · Synchrotron X-ray absorption and Mössbauer spectra validate Fe–O coordination between FePc and carbon. The obtained catalyst exhibits fast kinetics for O 2 adsorption and activation with an...

2023年3月13日 · We find that the presence of oxygen functional groups on the carbon nanotube (CNT) surface generates electron-deficient cobalt phthalocyanine (CoPc) and that this optimally modulates the...

2012年10月21日 · In this Article we show by means of STM, synchrotron radiation X-ray photoelectron spectroscopy (SR-XPS) and X-ray absorption spectroscopy (XAS) combined with density functional theory (DFT)...

2019年12月13日 · Interface properties of iron phthalocyanine (FePc) and perfluorinated iron phthalocyanine (FePcF 16) on rutile TiO 2 (100) and TiO 2 (110) surfaces were studied using X-ray photoemission spectroscopy (XPS), X-ray absorption spectroscopy (XAS), and low-energy electron diffraction (LEED).

2025年2月3日 · X-ray photoelectron spectroscopy (XPS) and X-ray absorption spectroscopy (XAS), DFT simulations, and standard electrochemical methods were used to analyse the high Fe(III) content of the synthetized Fe phthalocyanine (FePc) axially coordinated to 4-amino-3-nitropyridine (NPy).

2006年7月20日 · A joint experimental and theoretical work to explain the electronic and geometrical structure of an in situ prepared film of iron phthalocyanine (FePc) on silicon (100) is presented. FePc molecular films have been characterized by core and valence photoemission spectroscopy (PES) and x-ray absorption spectroscopy (XAS), and the results have ...

2018年4月1日 · The FePc-R25 nanocomposite was confirmed to be the optimal catalyst for high-performance ORR catalysis, and then was systematically characterized via MALDI-TOF MS, SEM, TEM, FT-IR, Raman, XPS, XANES and EXAFS.

2016年3月1日 · Here, we use STM, x-ray photoelectron spectroscopy (XPS), temperature-dependent x-ray photoelectron spectroscopy (TD-XPS), and x-ray absorption spectroscopy (XAS) to thoroughly characterize FePc layers on Cu(111) prepared at room temperature and annealed to temperatures above 300 °C.

The electronic structure study of carbon nanotube–graphene complexes has been performed using comprehensive X-ray absorption spectroscopy (XAS) at Fe L- and K-edges, along with C, N and O K-edges. The results obtained from the study of an iron-containing carbon nanotube–graphene complex (NT–G) have been comp