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Article
Effects of coke charging pattern on burden movement in COREX melter gasifier based on physical simulation
A three-dimensional semicircle cold model of COREX melter gasifier (MG) was established, and the effects of coke charging pattern on burden movement were investigated by adopting this model. The burden flow pa...
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Article
Co-Cu-P nanosheet-based open architecture for high-performance oxygen evolution reaction
The exploration of earth-abundant electrocatalysts and insight on the relationship between their activity and structure is challenging for large-scale electrochemical water oxidation. Herein, 2D Co-Cu-P nanosh...
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Article
Origin of enhanced visible-light photocatalytic activity of transition-metal (Fe, Cr and Co)-doped CeO2: effect of 3d orbital splitting
Enhanced visible-light photocatalytic activity of transition-metal-doped ceria (CeO2) nanomaterials has experimentally been demonstrated, whereas there are very few reports mentioning the mechanism of this behavi...
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Article
Facile route to fabricate carbon-doped TiO2 nanoparticles and its mechanism of enhanced visible light photocatalytic activity
High-efficiency photocatalysis requires wide photoresponse range and effective separation of photogenerated charges to fully utilize solar energy. Exploring the simple and cheap methods to synthesize efficient...
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Article
Enhancement of photocatalytic activity of combustion-synthesized CeO2/C3N4 nanoparticles
Nanocrystalline CeO2/C3N4 was synthesized via a one-step solution combustion method using urea as fuel for the first time. The effects of the molar ratio of urea to cerium chloride on the photocatalytic activity ...
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Article
Band engineering of ZnS by codo** for visible-light photocatalysis
Codo** is demonstrated as an efficient approach to narrow the band gap of ZnS and enhance its photocatalytic activity. Herein, we perform the density-function theory calculations of ZnS by codo** of X (N, ...
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Article
A simple design of ultra-broadband and polarization insensitive terahertz metamaterial absorber
Ultra-broadband metamaterial absorbers have attracted considerable attention due to their great prospect for practical applications. These absorbers are usually stacked by many (no. <20) different shaped or si...
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Article
Enhanced visible-light photoactivity of La-doped ZnS thin films
ZnS and La-doped ZnS thin films were successfully synthesized using chemical-bath deposition on conductive glass substrates. The effects of La-do** on the surface morphology, composition, structure and optic...
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Article
Effect of Gaussian acoustic nanocavities in a narrow constriction on ballistic phonon transmission
We investigate the effect of Gaussian acoustic nanocavities in a narrow constriction on ballistic phonon transport through a semiconductor nanowire at low temperatures. When the transverse width of acoustic na...