Showing papers in "Materials Research Bulletin in 2020"

TL;DR: In this paper, the authors reported the preparation of new ternary n-BaTiO3/Ag/p-AgBr heterostructured photocatalysts and their promising photodegradation application for the dye degradation.

TL;DR: In this article, some common and inexpensive biomass waste were used as carbon sources including orange peel, ginkgo biloba leaves, paulownia leaves and magnolia flower to prepare biomass carbon quantum dots (CQDs) by using a facile hydrothermal process.

TL;DR: MIL-88A, a Fe-based MOF, with different sizes was prepared successfully at room-temperature, which was characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and UV-vis diffuse reflectance spectroscope (UV-vis DRS) as mentioned in this paper.

TL;DR: In this article, the crystal structure, morphology, and luminescence properties of Ca3La6Si6O24:Eu3+ phosphor have been investigated for white light-emitting diodes based on the near UV (394 nm) LED chip.

TL;DR: In this paper, a facile and scalable synthesis of rGO/WO3 nanocomposites by hydrothermal method for gas sensing applications is introduced, which can detect highly toxic NH3 gas at low concentrations ranging from 20 ppm to 500 ppm and fulfills practical applications.

TL;DR: In this article, a magnetic photocatalyst Fe3O4@MIL-53(Fe) was successfully obtained from the calcination treatment of pristine MIL-53 (Fe) to degrade ibuprofen (IBP) under visible light.

TL;DR: In this paper, an efficient photocatalytic system is prepared and applied for photocatalysis degradation of methylene blue (MB) under green light irradiation, which is made of the nanosized ingredients including iron oxide nanoparticles (Fe3O4 NPs) and zinc oxide nano-rods.

TL;DR: In this paper, a simple two-step method and wet chemical reduction was used to produce TiO2/g-C3N4/Ag (TCA) composites.

TL;DR: In this article, two types of ferrites were synthesized, namely soft NiCoTi ferrite and hard SrCoTi, by sol-gel auto combustion method, and the resulting material was hosted into a polyurethane matrix to prepare a microwave absorbing paint.

TL;DR: In this paper, photoatalysts with tunable hexagonal/monoclinic WO3 phase junction (h/m-WO3) were prepared by presice controlling the h-wO3→m-w o3 phase transformation, based on in-situ XRD results, a suitable calcination temperature (400 °C) was selected to realize the phase transition from h-W O3 to m-W o3.

TL;DR: In this paper, the photocatalytic degradation studies on acid blue 92 showed that Ag3VO4/Cu-MOF/rGO nanocomposite indicated significant improved activity compared with pure Ag3 VO4 and Cu-MoF/RGO.

TL;DR: In this article, a special hybrid structure with 2D configuration comprising of g-C3N4, reduced graphene oxide (RGO), and BiOI was rationally constructed and immobilized on Ni foam with RGO functioned as electron transfer mediator and binder.

TL;DR: In this paper, the contribution of g-C3N4@ZnO on BiVO4 photoelectrochemical performance, light absorption, charge transportation, and morphology were investigated.

TL;DR: In this paper, the functionalized molybdenum disulfide (MoS2) quantum dots (QDs) were developed and used as a sensitive fluorescent probe for monitoring the lead (Pb2+) ions in an aqueous medium.

TL;DR: In this paper, a low cost, gram scale and highly N doped graphene quantum dots (NGQDs) with a broad absorption spectrum was synthesized using hydrothermal method by citric acid and urea.

TL;DR: In this paper, a functionalized Graphene Nanoplatelets with ZnO (F-GNP/ZnO) composites has been successfully synthesized and decorated on GNP via one-step solvothermal method.

TL;DR: In this article, the combined effect of chemical addition and mechanical deformation was investigated on the improvement of electroactive s-phase structure and dielectric behaviour of polyvinylidenefluoride (PVDF) based composites.

TL;DR: In this paper, a novel Cu/Fe3O4 nanocomposite supported on carboxylate-rich carbon was successfully synthesized and characterized, which was applied as an adsorbent and photo-Fenton-like catalyst for removal of methylene blue (MB).

TL;DR: In this paper, the chemical co-precipitation process was used for the synthesis of Fe-doped ZnO nanopowders with varying doping concentrations from 0% to 10 %.

TL;DR: In this paper, the structural properties and chemical composition of titanium dioxide nanoparticles were studied using X-ray diffraction, transmission electron microscopy, high-resolution transmission electron microscope, Brunauer-Emmett-Teller surface area analysis, selected area electron diffraction and energy dispersive spectroscopy.

TL;DR: In this article, DyVO4/nitrogen deficient g-C3N4 (DVO/CNx) composite photocatalysts were successfully synthesized by a simple precipitation-calcination method.

TL;DR: In this article, the flexible, free-standing, 3D Cobalt-based metal-organic frameworks/reduced graphene oxide (CoMOF/rGO) composite paper was prepared with a facile electrochemical deposition of CoMOF on the surface of rGO paper electrode.

TL;DR: In this paper, three-phase hybrid PNC films of poly(vinylidene fluoride)/poly(ethylene oxide) (PVDF/PEO) blend dispersed with amorphous silica (SiO2) nanoparticles were prepared and characterized by different spectroscopic techniques.

TL;DR: In this paper, a robust, sunlight driven photocatalyst was produced by deposition of ZnO nanotrapezoids over the surface of graphene (GR) nanosheets.

TL;DR: In this article, a facile one-pot synthesis of various TiO2/ZnIn2S4 composites with an embedded structure has been developed by facile synthesis, and the results showed that the electrostatic interaction and self-assembly effect makeTiO2 nanoparticles inserting into ZnIn 2S4 nanosheets, which offers apparent increase of specific surface area, visible-light absorption and electrons transfer efficiency.

TL;DR: In this article, a photocatalytic activity was investigated by Methylene blue (MB) and Methyl orange (MO) degradation in two new batch and continuous reactors with and without air bubble flow under visible light irradiation.

TL;DR: In this paper, a facile hydrothermal method was used to explore full spectrum responsive photocatalyst for improving their photocatalytic activity for degradation of RhB under visible and NIR light irradiation, and the resulting Ti3C2−OH/Bi2WO6:Yb3+, Tm3+ composites accompanied 2D/2D heterojunction with a grid-like porous structure present a significant enhancement of photoactivity towards degradation of RHB.

TL;DR: Magnetic Fe3O4/Bi12O17Cl2 photocatalyst was prepared by chemical deposition and co-precipitation as mentioned in this paper, and the photocatalysts were measured by XRD, XPS, SEM, TEM, DRS, PL, etc.

TL;DR: In this paper, a yolk-shell LaFeO3 (YS-LFO) microsphere has been successfully prepared by a carbon micro-sphere (CMS) template-adsorption-calcination method.

TL;DR: In this paper, a series of Sm3+ doped NaKLaMO5 (M = Nb, Ta) phosphors were successfully synthesized via high temperature solid-state reaction, and X-ray diffraction results indicated that the as-prepared phosphors crystallized in pure phases with tetragonal structure.