Showing papers in "Applied Surface Science in 2017"

TL;DR: In this paper, the fundamental mechanism of heterogeneous photocatalysis, advantages, challenges and the design considerations of g-C3N4-based photocatalysts are summarized, including their crystal structural, surface phisicochemical, stability, optical, adsorption, electrochemical, photoelectrochemical and electronic properties.

TL;DR: In this paper, a review of the surface modification of TiO2 for photocatalytic CO2 reduction, including impurity doping, metal deposition, alkali modification, heterojunction construction and carbon-based material loading, is presented.

TL;DR: In this article, a review of the surface-bulk electronic structure of metal oxide semiconductors (TiO2, WO3 and ZnO) is presented.

TL;DR: In this article, a direct Z-scheme graphitic carbon nitride (g-C 3 N 4 )/silver tungstate (Ag 2 WO 4 ) photocatalyst was prepared by a facile in situ precipitation method using g-C3 N 4 as a support and silver nitrate as a precursor.

TL;DR: In this article, a method for the bio-fabrication of Zinc oxide nanoparticles through green method using Moringa Oleifera extract as an effective chelating agent.

TL;DR: In this article, a direct Z-scheme TiO2/CdS binary hierarchical photocatalyst was fabricated via a successive ionic layer adsorption and reaction (SILAR) technique, and photocatalytic H2 production was measured afterwards.

TL;DR: In this paper, hybrid nanocomposites based on Fe-based MOF and graphitic carbon nitride (g-C3N4) were developed by a facile solvothermal method.

TL;DR: In this article, the authors reported the preparation of Ti 3 C 2 MXene and Ti 2 C MXene by etching Ti 3 AlC 2 with various fluoride salts in hydrochloric acid (HCl), including lithium fluoride (LiF), sodium fluoride (NaF), potassium fluoride (KF), and ammonium fluoride (NH 4 F).

TL;DR: In this paper, an indirect all-solid-state Z-scheme charge separation mechanism was proposed based on the photoluminescence spectra and the trapping experiment procedure of the photo-generated active species.

TL;DR: In this article, a facile one-step simultaneously heating procedure with urea as the main precursor was used to synthesize visible-light-driven WO3/g-C3N4 composites.

TL;DR: In this paper, density functional theory calculations were used to investigate the adsorption of three typical heterocyclic molecules, i.e., pyrrole, furan, and thiophene, on Fe(110) surface.

TL;DR: In this article, a 2D hybrid CdS nanosheets (NSs)/MoS 2 layered heterojunctions were successfully synthesized by a two-step hydrothermal method and subsequent ultrasonic treatment.

TL;DR: In this article, a novel bifunctional Z-scheme heterojunction with high adsorption and photocatalytic activity, WO3/g-C3N4 with well-defined morphology has been successfully synthesized by in-situ liquid phase process and characterized by various analytical techniques.

TL;DR: In this paper, a single phase multi-component alloys up-to-date with promising mechanical properties at cryogenic temperatures, including corrosion resistance, is studied. But, the study on the corrosion behavior of CrMnFeCoNi HEA coating has still been lacking.

TL;DR: In this article, 3D printing as a novel printing process was considered for deposition of polymers on synthetic fabrics to introduce more flexible, resource-efficient and cost effective textile functionalization processes than conventional printing process like screen and inkjet printing.

TL;DR: In this article, a direct contact Z-scheme g-C 3 N 4 -TiO 2 nanocomposites without an electron mediator are prepared via simple annealing the mixture of bulk gC 3 n 4 and nanotube titanic acid (NTA) in air at 600°C for 2.h.

TL;DR: In this article, a highly efficient visible-light-responsive heterojunction catalysts based on graphitic carbon nitride (g-C 3 N 4 ) and TiO 2 were synthesized via in situ hydrothermal synthesis followed by calcination, using titanium tetrachloride (TiCl 4 ), and melamine as precursors.

TL;DR: In this paper, a direct Z-scheme heterojunction BiOBr-Bi 2 MoO 6 with greatly enhanced visible light photocatalytic performance was fabricated via a two-step coprecipitation method.

TL;DR: In this article, the morphologies, structural and optical properties of Ag/ZnO samples with various Ag content were investigated, and it was found that ZnO was wurtzite phase and metallic Ag particles were wrapped by ZnOs nanosheets, which could effectively reduce the recombination of electron-hole pairs and prolong lifetime of the electron-holes pairs, promoting the degradation efficiency.

TL;DR: In this article, the authors investigated the influence of the laser power, scanning speed, and hatch spacing on the densification behavior and microstructural characteristics of the selective laser melting (SLM) processed AlSi10Mg alloy.

TL;DR: In this paper, homogeneous dispersion of hexagonal boron nitride (h-BN) in epoxy matrix was achieved with a water-soluble carboxylated aniline trimer derivative (CAT−) as a dispersant, which was attributed to the strong π-π interaction between h-BN and CAT−, as proved by Raman and UV-vis spectra.

TL;DR: In this paper, a self-polymerization of levodopa (DOPA) on the surface of molybdenum disulfide (MoS2) under a weak alkaline solution is presented.

TL;DR: A facile method for the fabrication of organic coating with super-hydrophobic surface on copper substrate is presented in this paper, where liquid-phase exfoliated fluorographene (FG) nanosheets, a low-surface-energy material with different sizes and shapes, are spatially stuck on the surface of epoxy resin coating to build rough surface with random micro/nano structure.

TL;DR: In this article, a model to explain the oxidation mechanisms and phenomena occurring during the oxidation of the films is proposed and peak frequencies, full-width half-maxima, binding energies and oxidation states from the Raman and X-ray photoelectron spectroscopy experiments are reported and analyzed for all the phases encountered in VO2 films prepared on SiO2/Si and Al2O3 substrates.

TL;DR: In this paper, the ternary CdS/g-C3N4/CuS composite photocatalysts were prepared by a facile and novel low-temperature solid-state strategy.

TL;DR: In this paper, a composite adsorbent composed of carboxylated cellulose nanocrystals (CCN) and polyethyleneimine (PEI) was prepared through an amidation reaction.

TL;DR: In this article, the adsorbent where lanthanum oxide was incorporated onto porous zeolite (La-Z), of preferable adsorption towards phosphate was prepared by hydrothermal synthesis.

TL;DR: A possible photocatalytic mechanism of Erythrosin B dye sensitized Cu-Cu 2 O/g-C 3 N 4 photocatalyst was proposed in this paper.

TL;DR: In this paper, the photocatalytic activities of phosphorus doped graphitic carbon nitride (g-C3N4) samples were evaluated by degradation of Rhodamine B (RhB) solution under visible light irradiation.

TL;DR: In this article, a composite of cobalt tungstate nanoparticles coated on nitrogen-doped reduced graphene oxide (CoWO4/NRGO) was prepared through an in situ sonochemical approach.