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   Articles with "hexagonal tungsten" as a keyword



Direct synthesis of highly crystalline single-phase hexagonal tungsten oxide nanorods by spray pyrolysis

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recommendations! Published in 2019 at "Advanced Powder Technology"

DOI: 10.1016/j.apt.2018.09.040

Abstract: Abstract The metastable state hexagonal-tungsten oxide (h-WO3) has been attracting attention over the past decade because of its high reactivity that arises from the hexagonal channels in its crystal structure. Simplification of the process used… read more here.

Keywords: highly crystalline; hexagonal tungsten; spray pyrolysis; tungsten oxide ... See more keywords

Electrostatic self-assembly of Pt nanoparticles on hexagonal tungsten oxide as an active CO-tolerant hydrogen oxidation electrocatalyst

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recommendations! Published in 2018 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2018.03.131

Abstract: Abstract Developing CO-tolerant electrocatalysts is of great importance for the practical use of proton exchange membrane fuel cells (PEMFCs) fed with reforming hydrogen. Transitional metal oxides are a class of promising component to (i) alleviate… read more here.

Keywords: electrostatic self; oxidation; hydrogen; assembly ... See more keywords

Molten salt synthesis of hexagonal tungsten trioxide nanoparticles for lithium-ion battery anode

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recommendations! Published in 2018 at "Materials Letters"

DOI: 10.1016/j.matlet.2018.09.006

Abstract: Abstract Hexagonal tungsten trioxide nanoparticles were prepared using ammonium metatungstate hydrate as the precursor by a facile molten salt method. The as-prepared samples were characterized by X-ray diffraction, Fourier-transform infrared spectroscopy, X-ray photoelectron spectropy, Brunauer-Emmett-Teller,… read more here.

Keywords: tungsten trioxide; trioxide nanoparticles; molten salt; hexagonal tungsten ... See more keywords

Absorption peak decomposition of an inhomogeneous nanoparticle ensemble of hexagonal tungsten bronzes using the reduced Mie scattering integration method

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recommendations! Published in 2024 at "Scientific Reports"

DOI: 10.1038/s41598-024-57006-0

Abstract: Recent optical analyses of cesium-doped hexagonal tungsten bronze have accurately replicated the absorption peak and identified both plasmonic and polaronic absorptions in the near-infrared region, which have been exploited in various technological applications. However, the… read more here.

Keywords: mie scattering; tungsten; absorption peak; scattering integration ... See more keywords

Resolving old problems with layered polytungstates related to hexagonal tungsten bronze: phase formation, structures, crystal chemistry and some properties.

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recommendations! Published in 2023 at "Dalton transactions"

DOI: 10.1039/d2dt03895a

Abstract: A 60-year-old problem with the atomic arrangements and exact compositions of alkali polytungstates related to hexagonal tungsten bronze (HTB) was solved. The systems A2WO4-WO3 (A = K, Rb) were restudied and the average monoclinic layered… read more here.

Keywords: tungsten bronze; hexagonal tungsten; related hexagonal; chemistry ... See more keywords