Systematic Investigation of the Electronic Structure of Hematite Thin Films
Sign Up to like & getrecommendations! Published in 2017 at "Advanced Materials Interfaces"
DOI: 10.1002/admi.201700542
Abstract: Water photolysis is a key technology to convert solar energy into clean, sustainable fuel. Hematite Fe2O3 thin films are considered as a potential photoanode for this purpose. The performance of hematite-based devices is limited by… read more here.
Keywords: hematite; thin films; structure hematite; electronic structure ... See more keywords
Experimental investigations of arsenic adsorption from contaminated water using chemically activated hematite (Fe2O3) iron ore
Sign Up to like & getrecommendations! Published in 2020 at "Environmental Science and Pollution Research"
DOI: 10.1007/s11356-020-11208-x
Abstract: Indigenous hematite iron ore was chemically activated as a function of various hydrogen peroxide concentrations (0.5, 1, 1.5, and 2.0 M), activation time, and iron ore size. Adsorption potential was evaluated at various initial arsenic concentrations,… read more here.
Keywords: adsorption; hematite; iron ore; chemically activated ... See more keywords
In situ Ni-doping during cathodic electrodeposition of hematite for excellent photoelectrochemical performance of nanostructured nickel oxide-hematite p-n junction photoanode
Sign Up to like & getrecommendations! Published in 2017 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2016.09.046
Abstract: Abstract Nanostructured nickel oxide-hematite (NiO/α-Fe 2 O 3 ) p-n junction photoanodes synthesized from in situ doping of nickel (Ni) during cathodic electrodeposition of hematite were successfully demonstrated. A postulation model was proposed to explain… read more here.
Keywords: nanostructured nickel; hematite; oxide hematite; nickel oxide ... See more keywords
Hydrothermal synthesis, morphology, magnetic properties and self-assembly of hierarchical α-Fe2O3 (hematite) mushroom-, cube- and sphere-like superstructures
Sign Up to like & getrecommendations! Published in 2018 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2018.06.224
Abstract: Abstract We report on glycine-free and glycine-assisted hydrothermal synthesis of microsized superstructures composed of self-assembled hematite nanoparticles. An X-ray powder diffraction measurements of the samples confirm good crystallization of the hematite nanoparticles with hydrothermal reaction… read more here.
Keywords: hematite; hydrothermal synthesis; magnetic properties; sphere like ... See more keywords
Enhanced photoelectrochemical water oxidation in Hematite: Accelerated charge separation with Co doping
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DOI: 10.1016/j.apsusc.2021.150606
Abstract: Abstract Hematite (α-Fe2O3) is one of the most promising candidates for a photoanode for photoelectrochemical water splitting. However, it has low efficiency because of poor conductivity in the bulk and sluggish oxygen evolution (OER) kinetics… read more here.
Keywords: charge; charge separation; photoelectrochemical water; hematite ... See more keywords
U-loss associated with laser-heating of hematite and goethite in vacuum during (U–Th)/He dating and prevention using high O2 partial pressure
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DOI: 10.1016/j.chemgeo.2019.119350
Abstract: Abstract Single-aliquot (U–Th)/He dating of hematite has been used to study iron-oxide precipitation in various environments, but we show there is an important challenge to the method: highly retentive hematite samples require temperatures of >1000 °C… read more here.
Keywords: hematite; hematite goethite; partial pressure; vacuum ... See more keywords
Facet-specific reactivity of hematite nanocrystals during Fe(II)-catalyzed recrystallization
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Geology"
DOI: 10.1016/j.chemgeo.2021.120460
Abstract: Abstract Hematite (α-Fe2O3) surfaces represent one of the most common redox-active interfaces in the environment, playing an important role in the biogeochemical cycling of metal elements in the subsurface. Fe(II)-catalyzed recrystallization of iron (hydr)oxides is… read more here.
Keywords: recrystallization; surface; catalyzed recrystallization; hematite ... See more keywords
Hematite enhances the removal of Cr(VI) by Bacillus subtilis BSn5 from aquatic environment.
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DOI: 10.1016/j.chemosphere.2018.06.037
Abstract: In the present study, we investigated the removal of Cr(VI) and the associated bacterial activity in the systems containing Bacillus subtilis BSn5 (B. subtilis BSn5) and hematite. The microcalorimetry was used to study the effect of… read more here.
Keywords: hematite; subtilis bsn5; hematite enhances; enhances removal ... See more keywords
Impact of the interaction between hematite and halloysite on environmental fate of organic pollutants
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DOI: 10.1016/j.clay.2021.106123
Abstract: Abstract Clay minerals and iron oxide usually coexist in soil. This work revealed the effect of the interaction between halloysite (HNTs) and hematite on the environmental fate of organic pollutants. Methylene blue (MB) was used… read more here.
Keywords: organic pollutants; environmental fate; interaction; hematite ... See more keywords
Biomass gasification over hematite in a decoupled dual loop gasifier
Sign Up to like & getrecommendations! Published in 2019 at "Fuel Processing Technology"
DOI: 10.1016/j.fuproc.2019.04.025
Abstract: Abstract Steam gasification of pine sawdust over hematite was carried out in a decoupled dual loop gasification system. The system is composed of two parts, i.e. a fluidized bed gasifier and a moving bed reformer.… read more here.
Keywords: gasification; gasifier; dual loop; hematite ... See more keywords
Investigation of the gamma ray shielding properties for polyvinyl chloride reinforced with chalcocite and hematite minerals
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DOI: 10.1016/j.heliyon.2020.e03560
Abstract: Polyvinyl chloride (PVC) is the most widely produced synthetic plastic polymer in the world: it has a variety of applications due to its low cost, elasticity, light weight, good mechanical characteristics and corrosion resistance. In… read more here.
Keywords: hematite; polyvinyl chloride; pvc; chalcocite hematite ... See more keywords