Chemical state of surrounding iron species affects the activity of Fe-Nx for electrocatalytic oxygen reduction
Sign Up to like & getrecommendations! Published in 2019 at "Applied Catalysis B: Environmental"
DOI: 10.1016/j.apcatb.2019.03.046
Abstract: Abstract Fe-N-C materials with Fe-Nx coordination sites are promising to replace the state-of-the-art Pt-based electrocatalysts for oxygen reduction reaction (ORR) due to high activity and low cost although there is still debate on its activity… read more here.
Keywords: oxygen reduction; iron species; activity; chemical state ... See more keywords
Dynamic chemical state conversion of nickel species supported on silica under CO–NO reaction conditions
Sign Up to like & getrecommendations! Published in 2017 at "Catalysis Today"
DOI: 10.1016/j.cattod.2017.07.028
Abstract: Abstract The chemical state conversion of Ni species supported on SiO 2 under CO and NO atmosphere was observed by in situ XAFS techniques, and the reversible and quantitative chemical state conversions between NiO and… read more here.
Keywords: state; chemical state; state conversion; species supported ... See more keywords
Soft X-ray ptychography as a tool for in operando morphochemical studies of electrodeposition processes with nanometric lateral resolution
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Electron Spectroscopy and Related Phenomena"
DOI: 10.1016/j.elspec.2017.01.004
Abstract: Highlights • Pulse-plating of Mn-oxide/polypyrrole nanocomposite studied in situ by ptychography. • Electrocrystallization followed in operando by dynamic coherent diffractive imaging. • Morphology and chemical state evolutions monitored in situ during electrodeposition. • Spectroscopic ptychography… read more here.
Keywords: resolution; chemical state; lateral resolution; ptychography ... See more keywords
The response of sulfur chemical state to different leaching conditions in chloride leaching of chalcocite
Sign Up to like & getrecommendations! Published in 2020 at "Hydrometallurgy"
DOI: 10.1016/j.hydromet.2020.105245
Abstract: Abstract Heap chloride leaching of low-grade copper sulfides with the use of seawater has been proposed as a feasible alternative to address challenges associated with water scarcity and depletion of oxides. Our previous study of… read more here.
Keywords: chemical state; solution potentials; chloride leaching; solution ... See more keywords
Synthesis of high stability nanosized Rh/CeO2–ZrO2 three-way automotive catalysts by Rh chemical state regulation
Sign Up to like & getrecommendations! Published in 2020 at "Journal of The Energy Institute"
DOI: 10.1016/j.joei.2020.07.005
Abstract: Abstract The chemical state of precious metals plays an important role in redox reaction. In order to maintain rhodium (Rh) at metallic state, which is recognized as reactive center in three-way catalytic reactions, we synthesized… read more here.
Keywords: chemical state; ceo2 zro2; three way;
Chemical state of phosphorous at the SiC/SiO2 interface
Sign Up to like & getrecommendations! Published in 2019 at "Thin Solid Films"
DOI: 10.1016/j.tsf.2019.02.038
Abstract: Abstract The chemical nature of sub-monolayer phosphorous impurities at the SiC/SiO2 interface is a critical surface science problem related to device performance and other applications. In this study, SiO2 films containing phosphorus were deposited by… read more here.
Keywords: sio2 interface; sic sio2; state phosphorous; phosphorus ... See more keywords
Chemical State Mapping of Amorphous Carbon Films by Soft X-ray Emission Spectroscopy
Sign Up to like & getrecommendations! Published in 2019 at "Microscopy and Microanalysis"
DOI: 10.1017/s1431927619009504
Abstract: Soft X-ray emissions, which originate from electronic transitions from valence bands (bonding electron states) to inner-shell electron levels, inform us energy states of bonding electrons if those energies are analyzed with an energy resolution better… read more here.
Keywords: spectroscopy; ray emission; emission spectroscopy; chemical state ... See more keywords
The same chemical state of carbon gives rise to two peaks in X-ray photoelectron spectroscopy
Sign Up to like & getrecommendations! Published in 2021 at "Scientific Reports"
DOI: 10.1038/s41598-021-90780-9
Abstract: Chemical state analysis in X-ray photoelectron spectroscopy (XPS) relies on assigning well-defined binding energy values to core level electrons originating from atoms in particular bonding configurations. Here, we present direct evidence for the violation of… read more here.
Keywords: chemical state; carbon; spectroscopy; ray photoelectron ... See more keywords
Evolution of surface and sub-surface morphology and chemical state of exsolved Ni nanoparticles.
Sign Up to like & getrecommendations! Published in 2022 at "Faraday discussions"
DOI: 10.1039/d1fd00123j
Abstract: Nanoparticle formation by dopant exsolution (migration) from bulk host lattices is a promising approach to generate highly stable nanoparticles with tunable size, shape, and distribution. We investigated Ni dopant migration from strontium titanate (STO) lattices,… read more here.
Keywords: evolution surface; chemical state; morphology; surface ... See more keywords
X-ray spectroscopic study of chemical state in uranium carbides
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Synchrotron Radiation"
DOI: 10.1107/s160057752101314x
Abstract: UC and UMeC2 (Me = Fe, Zr, Mo) carbides were studied by the high-energy-resolution fluorescence detected X-ray absorption technique at the U M 4 and L 3 edges. The data were analyzed using the Anderson… read more here.
Keywords: ray spectroscopic; chemical state; spectroscopic study; study chemical ... See more keywords
Simultaneous Control of the Chemical State and Local Environment of Cr Dopant in Glass for Extended Emission
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the American Ceramic Society"
DOI: 10.1111/jace.15172
Abstract: Control of the chemical state and local environment of Cr dopant in glass through self-limited nanocrystallization is presented. Interesting wavelength-tunable and ultra-broadband near-infrared (NIR) luminescence with the full width at half maximum (FWHM) of about… read more here.
Keywords: state local; control chemical; chemical state; glass ... See more keywords