Oxygen defects boost polysulfides immobilization and catalytic conversion: First-principles computational characterization and experimental design
Sign Up to like & getrecommendations! Published in 2020 at "Nano Research"
DOI: 10.1007/s12274-020-2850-5
Abstract: Although some experiments have shown that point defects in a cathode host material may enhance its performance for lithium-sulfur battery (LSB), the enhancement mechanism needs to be well investigated for the design of desired sulfur… read more here.
Keywords: oxygen; oxygen defects; catalytic conversion; sulfur host ... See more keywords
Liquid N2 quenching induced oxygen defects and surface distortion in TiO2 and the effect on the photocatalysis of methylene blue and acetone
Sign Up to like & getrecommendations! Published in 2019 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2019.07.095
Abstract: Abstract In the current research, TiO2 materials pre-annealed at high temperatures were subject to fast super-cold quenching in liquid N2, with the effect on their structures and photocatalytic properties being studied. Although the liquid N2… read more here.
Keywords: oxygen defects; quenching induced; photocatalysis; induced oxygen ... See more keywords
One-step synthesis of oxygen-defects modified Ta2O5 nanosheets with high photocatalytic performance by chemical vapor deposition method
Sign Up to like & getrecommendations! Published in 2021 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2021.150776
Abstract: Abstract Tantalum oxide is a semiconductor material with excellent physical properties, but its wide band gap limits its application in the field of photocatalysis. In this article, we synthesized novel hexagonal Ta2O5 nanosheets with oxygen… read more here.
Keywords: tantalum oxide; ta2o5 nanosheets; oxygen defects; chemical vapor ... See more keywords
Performance enhancement of hematite photoanode with oxygen defects for water splitting
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DOI: 10.1016/j.cej.2020.126163
Abstract: Abstract Two types of oxygen defects are created on the Fe2O3:Ti photoanode and their acting roles on prompting the photoelectrochemical performance are clarified. Methanol solvothermal treatment is discovered to expediently import hydroxyl oxygen on Fe2O3:Ti.… read more here.
Keywords: oxygen; oxygen defects; photoanode; surface ... See more keywords
Mitigating evolution of lattice oxygen and stabilizing structure of lithium-rich oxides by fabricating surface oxygen defects
Sign Up to like & getrecommendations! Published in 2019 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2019.134987
Abstract: Abstract Lithium-rich layered cathode material Li1·2Ni0·13Co0·13Mn0·54O2 has attracted extensive attention owing to high specific capacity and energy density from its distinctive anionic redox chemistry. However, the material suffers from low Coulombic efficiency, serious capacity attenuation,… read more here.
Keywords: oxygen; lithium rich; oxygen defects; surface ... See more keywords
New insights into oxygen defects, Lewis acidity and catalytic activity of vanadia hybrid nanomaterials
Sign Up to like & getrecommendations! Published in 2018 at "Materials Letters"
DOI: 10.1016/j.matlet.2018.02.111
Abstract: Abstract Structural defects in both MCM–41 (Mobil Composition of Matter No. 41) framework and V2O5 nanocrystals and surface acid sites of the V2O5/MCM–41 hybrid nanomaterials were quantitatively determined. Oxygen defects were found to be related… read more here.
Keywords: oxygen; oxygen defects; hybrid nanomaterials; catalytic activity ... See more keywords
Correlation of oxygen defects variations to band gap changes in luminescence properties of SrZnO2: 0.02 Eu3+ phosphors
Sign Up to like & getrecommendations! Published in 2019 at "Materials Letters"
DOI: 10.1016/j.matlet.2019.07.025
Abstract: Abstract The SrZnO 2 : 0.02 Eu 3+ phosphors were prepared by conventional solid-state reactions in O 2 , air, N 2 and Ar, respectively. X-ray photoelectron spectroscopy analyses show that the concentration of oxygen… read more here.
Keywords: spectroscopy; oxygen defects; luminescence; oxygen ... See more keywords
Revealing the impacts of oxygen defects on Zn2+ storage performance in V2O5
Sign Up to like & getrecommendations! Published in 2021 at "Materials Today Energy"
DOI: 10.1016/j.mtener.2021.100824
Abstract: Abstract Vanadium pentoxide (V2O5) featured with open-framework structure and various oxidation states is regarded as the most promising cathode of aqueous zinc-ion batteries (ZIBs), while sluggish Zn2+ diffusion kinetics and poor structural stability plague its… read more here.
Keywords: zn2 storage; oxygen defects; storage performance; v2o5 ... See more keywords
Oxygen Vacancy-Dependent Chemiluminescence: A Facile Approach for Quantifying Oxygen Defects in ZnO.
Sign Up to like & getrecommendations! Published in 2022 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.2c00359
Abstract: Defect engineering is an effective strategy to improve the catalytic activity of metal oxides, and quantitative characterization of surface defects is thus vital to the understanding and application of metal oxide catalysts. Herein, we found… read more here.
Keywords: oxygen vacancy; oxygen defects; vacancy dependent; quantifying oxygen ... See more keywords
Engineering surface oxygen defects on tungsten oxide to boost photocatalytic oxygen evolution from water splitting.
Sign Up to like & getrecommendations! Published in 2019 at "Chemical communications"
DOI: 10.1039/c9cc01449g
Abstract: The engineering of surface oxygen vacancies (OVs) in WO3 was primitively done using a facile solvothermal method. The photocatalytic activities of the as-prepared samples were studied by evaluating their performances in the photocatalytic OER. The… read more here.
Keywords: oxygen defects; oxygen; engineering surface; surface oxygen ... See more keywords
Doping effect and oxygen defects boost room temperature ferromagnetism of Co-doped ZnO nanoparticles: experimental and theoretical studies
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DOI: 10.1039/c9ra03620b
Abstract: Co-doped ZnO nanoparticles with different dosage concentrations were fabricated by a thermal decomposition method. read more here.
Keywords: zno nanoparticles; oxygen defects; doping effect; doped zno ... See more keywords