Manganese Oxide as an Inorganic Catalyst for the Oxygen Evolution Reaction Studied by X‐Ray Photoelectron and Operando Raman Spectroscopy
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DOI: 10.1002/cctc.202001756
Abstract: Manganese oxide (MnOx) is considered a promising material for the oxygen evolution reaction (OER) to replace noble metal catalysts in water splitting. The improvement of MnOx requires mechanistic and kinetic knowledge of the four‐electron transfer… read more here.
Keywords: manganese oxide; oxygen evolution; spectroscopy; ray photoelectron ... See more keywords
Potential Screening at Electrode/Ionic Liquid Interfaces from In Situ X‐ray Photoelectron Spectroscopy
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DOI: 10.1002/open.201900211
Abstract: Abstract A new approach to investigate potential screening at the interface of ionic liquids (ILs) and charged electrodes in a two‐electrode electrochemical cell by in situ X‐ray photoelectron spectroscopy has been introduced. Using identical electrodes, we… read more here.
Keywords: potential screening; ray photoelectron; situ ray; spectroscopy ... See more keywords
The use and misuse of curve fitting in the analysis of core X‐ray photoelectron spectroscopic data
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DOI: 10.1002/sia.6629
Abstract: Core X‐ray photoelectron spectroscopic (XPS) data often contain overlapping chemically shifted peaks that differ in their width, peak shape, and intensity. The spectra may be complicated by the presence of satellite and multiplet splitting features… read more here.
Keywords: analysis; ray photoelectron; curve; curve fitting ... See more keywords
In‐depth analysis of InAlN/GaN HEMT heterostructure after annealing using angle‐resolved X‐ray photoelectron spectroscopy
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DOI: 10.1002/sia.6857
Abstract: During high‐electron‐mobility transistor elaboration process, a thermal treatment of In0.2Al0.8N (InAlN) barrier layer is performed in order to improve electrical performances. We showed previously that In0.2Al0.8N/GaN heterostructures, annealed at 850°C under O2 partial pressure, present… read more here.
Keywords: ray photoelectron; depth; angle resolved; resolved ray ... See more keywords
X-ray photoelectron and in situ and ex situ resonance Raman spectroscopic investigations of polythiophene overoxidation
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DOI: 10.1007/s10008-017-3698-9
Abstract: Polythiophene films have been electrochemically synthesized on platinum electrodes by anodic oxidation of thiophene in CH3CN-LiClO4 organic solution, then galvanostatically polarized in the same but monomer-free electrolytic medium to obtain the reduced, oxidized, and overoxidized… read more here.
Keywords: situ resonance; situ; spectroscopy; ray photoelectron ... See more keywords
Electrochemical and X-ray photoelectron spectroscopic investigations of conductive polymers
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DOI: 10.1007/s11581-019-03250-8
Abstract: We report the synthesis of high soluble poly(aniline-co-o-hydroxyaniline) copolymers with varying the amount of o-hydroxyaniline (20, 40, 60, and 80 %) and referred as PA-co-o-HA20, PA-co-o-HA40, PA-co-o-HA60, and PA-co-o-HA80 respectively. The chemical and structural composition of… read more here.
Keywords: conductive polymers; spectroscopic investigations; investigations conductive; electrochemical ray ... See more keywords
Interfacial chemistry and energy band alignment of TiAlO on 4H-SiC determined by X-ray photoelectron spectroscopy
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DOI: 10.1016/j.apsusc.2017.02.257
Abstract: Abstract Intermixing of TiO 2 with Al 2 O 3 to form TiAlO films on 4H-SiC is expected to simultaneously boost the dielectric constant and achieve sufficient conduction/valence band offsets (CBO/VBO) between dielectrics and 4H-SiC.… read more here.
Keywords: chemistry; tialo sic; band; spectroscopy ... See more keywords
Atomic configurations in AP-MOVPE grown lattice-mismatched InGaAsN films unravelled by X-ray photoelectron spectroscopy combined with bulk and surface characterization techniques
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DOI: 10.1016/j.apsusc.2017.10.032
Abstract: Abstract This work presents the results of X-ray photoelectron spectroscopy studies on the bonding N configuration in InGaAsN epilayers grown by atmospheric pressure metal organic vapour phase epitaxy. Growth temperature has been tuned in order… read more here.
Keywords: ingaasn films; surface; spectroscopy; ray photoelectron ... See more keywords
Barrier heights of Au, Pt, Pd, Ir, Cu on nitrogen terminated (1 0 0) diamond determined by X-ray photoelectron spectroscopy
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DOI: 10.1016/j.apsusc.2018.06.184
Abstract: Abstract In this work, we used X-ray photoelectron spectroscopy to measure barrier height values for different metals (Au, Pt, Pd, Ir, Cu) on nitrogen terminated (1 0 0) diamond. Three types of diamond surface (hydrogen-, oxygen-, fluorine-terminated… read more here.
Keywords: nitrogen terminated; diamond; terminated diamond; spectroscopy ... See more keywords
X-ray photoelectron spectroscopy and rotating disk electrode measurements of smooth sputtered Fe-N-C films
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DOI: 10.1016/j.apsusc.2020.146012
Abstract: Abstract Electrocatalysts for the oxygen reduction reaction (ORR) based on complexes of iron and nitrogen in a carbon matrix (Fe-N-C) are a promising alternative to platinum group metal (PGM) based catalysts in polymer electrolyte membrane… read more here.
Keywords: rotating disk; carbon; disk electrode; spectroscopy ... See more keywords
Effect of etching on the oxidation of zinc selenide surfaces characterized by X-ray photoelectron spectroscopy
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DOI: 10.1016/j.apsusc.2020.146604
Abstract: Abstract The surface chemistry of zinc selenide (ZnSe) was studied by X-ray photoelectron spectroscopy (XPS) as a function of various surface treatments, including etching in solutions of hydrochloric acid (HCl), potassium permanganate:sulfuric acid (KMnO4:H2SO4), and… read more here.
Keywords: surface; spectroscopy; ray photoelectron; photoelectron spectroscopy ... See more keywords