XPS Ir 4f spectra for the as-synthesized 1.5 nm and 2.5 nm Ir …
X-ray photoelectron spectroscopy (XPS) revealed that the electrons are transferred from UiO-66 to Ir nanoparticles, indicating a strong interaction between Ir nanoparticles and the UiO-66...
XPS spectra of electrodeposited IrO x : Ir 4f spectrum.
The Ir 4f spectra were deconvoluted into two doublets (four peaks). The binding energies of the first deconvoluted doublet peaks (green and purple lines, respectively) corresponded to that of...
X-ray Photoelectron Spectroscopy (XPS) Reference Pages: Iridium
Ir 4f spectrum of sputter cleaned iridium metal. From a quick look at the literature there may be some complex species possible that may complicate the fitting. A second oxide peak may be found in some instances at higher binding energies (61.9-63.7 eV) than seen for IrO2 [3].
High-entropy alloy stabilized active Ir for highly efficient acidic ...
2022年3月1日 · The Ir 4f XPS spectra demonstrate two main peaks at 61.2 eV and 64.2 eV, which can be ascribed to the Ir 0 4f 7/2 and Ir 0 4f 5/2 [38]. The BEs of small peaks for Ir 4+ 4f 7/2 and Ir 4+ 4f 5/2 are located at 61.5 and 65.7 eV.
XPS spectra of the Ir4f spectral line of iridium catalysts: (a) Ir/SiO ...
XPS spectra of the Ir4f spectral line of iridium catalysts: (a) Ir/SiO 2 ; (b) Ir/γ-Al 2 O 3 ; (c) Ir/ZrO 2 . The doublets can be attributed to (A) surface IrO 2 or (B) surface IrCl 3 or IrCl 4 ....
Iridium | XPS Periodic Table | Thermo Fisher Scientific - US
Ir4f region has well separated spin-orbit components (Δ=3.2eV). Peaks in the Ir4f region have an asymmetric peak shape for iridium metal. Iridium compounds, such as the oxide, have symmetric Ir4f peaks. Iridium is used as a hardening agent for platinum and for making tools that are exposed to high temperatures, like crucibles.
Iridium Spectra – Ir metal – The International XPS Database 1
XPS Spectra Iridium (Ir) Compounds The XPS Spectra section provides raw and processed survey spectra, chemical state spectra, BE values, FWHM values, and overlays of key spectra. Atom% values from surveys are based on sample, as received, and Scofield cross-sections. Atom% values are corrected for IMFP and PE.
铱 | XPS元素周期表 | 赛默飞 | Thermo Fisher Scientific - CN
Ir4f region has well separated spin-orbit components (Δ=3.2eV). Peaks in the Ir4f region have an asymmetric peak shape for iridium metal. Iridium compounds, such as the oxide, have symmetric Ir4f peaks. Iridium is used as a hardening agent for platinum and for making tools that are exposed to high temperatures, like crucibles.
Figure 1 shows the Ir(4f) and (3d) core levels for sputter cleaned Ir foil and reveals an asymmetric doublet (4f 7/2 at 60.8 eV) with a splitting of 3.0 eV. Fitting is achieved, as for many platinum group metals, with an asymmetric line shape as described in Table 2, suitable for use in CasaXPS. Note that
Iridium (Ir) - The International XPS Database 1
The Basic XPS Information Section provides fundamental XPS spectra, BE values, FWHM values, BE tables, overlays of key spectra, histograms and a table of XPS parameters. The Advanced XPS Information Section is a collection of additional spectra, overlays of spectra, peak-fit advice, data collection guidance, material info,