ESCA and Mössbauer spectra of some iron(III) betadiketonates and tetraphenylporphyrin iron(III) chloride
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Visible light-driven photocatalyst: An iron(III) coordination compound in Rhodamine B degradation
2022, Journal of Photochemistry and Photobiology A: ChemistryCitation Excerpt :The satellites could be interpreted as paramagnetism at the metal center. The O (1S) spectrum shows one peak at 531.7 eV (FWHM = 2.6 eV), similar to some [Fe(acac)3] reported [26,27]. The S (2P) spectrum shows two peaks at binding energies of 162.8 and 164.4 eV with FWHM = 2.5 eV.
Ion-binding ameliorates the organic solvents nanofiltration performance of poly (butyl acrylamide-co-divinylbenzene) composites
2021, Separation and Purification TechnologyCitation Excerpt :However, O1s spectra of Fe-binding composite appear a new peak at 530 eV, due to the bond of Fe-O, besides other three peaks similar with those in the original membrane. In particular, Fe 2p XPS spectra of Fe-binding composite illustrate four peaks locating respectively at 725.5 and 718.2 eV referred to Fe3+ satellite, at 714.1 and 711.4 eV assigned to the bond of O-Fe-O and Fe-O-C, respectively [43,44,45]. For the Cu-binding membrane, both N1s and O1s spectra show clear shifts of binding energies for the XPS peaks, which are probably caused by the interactions with copper ions.
Vacancy ordered γ-Fe <inf>2</inf> O <inf>3</inf> nanoparticles functionalized with nanohydroxyapatite: XRD, FTIR, TEM, XPS and Mössbauer studies
2016, Applied Surface ScienceCitation Excerpt :Regarding the BE of iron ions, it showed one unique BE with small intensity of Fe2p3/2 = 710.7 eV (Fig. 6d). This BE of iron ions is typical of FeIII oxidation state, as reported by Blomquist et al. [64]. This confirms the absence of FeII ions in the γ- Fe2O3 structure, as confirmed by Le-Bail refinement and Mössbauer results.
Tribological study of nitrogen plasma polymerized soybean oil with nitrogen heterocyclic structures
2013, Industrial Crops and ProductsCitation Excerpt :The O1s peak with the binding energy (531.7 eV) of soybean oil was too low to be the purely organic oxygen, which was generally in the range of 532.0–533.9 eV (López et al., 1991), and may correspond to a material with metal–organic type bonding. Also, the 531.7 eV binding energy observed here agreed with O1s binding energy of metal complexes, such as Fe(1-H-2,4-pentanedione)3 (531.7 eV) (Srivastava et al., 1985) and Fe(1-phenyl-1,3-butanedionate)3 (531.6 eV) (Blomquist et al., 1983), suggesting that the oxygen and iron should be combined together in a coordination bond similar to these two compounds. The metal complexes (iron carboxylate complexes), which made up the chemical adsorbed film of soybean oil, might be produced during the tribochemical process between the glyceride molecule and metallic iron.
An ESCA investigation of some copper complexes
1983, Journal of Electron Spectroscopy and Related Phenomena