Showing papers in "Materials Research Bulletin in 2021"

TL;DR: In this paper, the formation of space charge regions, built-in electric field and potential barriers at the interface regions of thermally equilibrated heterojunctions are analyzed in details.

TL;DR: In this article, the impact of graphene/CNTs reinforcement in the Al matrix based on key parameters, e.g., yield strength, microhardness, ductility and tensile strength, was evaluated.

TL;DR: In this paper, three types of Bi4Ti3O12 nanostructures with different morphologies, i.e., nanosheet-assembled hierarchical microrods, microplates, and nanof-lake assembled hierarchical microspheres, have been synthesized via a hydrothermal route and a molten salt route.

TL;DR: A noble metal-free CoO/BiVO4 p-n heterojunctions with micro-nano spherical structure were synthesized via a simple solvothermal method as discussed by the authors.

TL;DR: In this paper, spindle-like α-Fe2O3 mesocrystals/reduced-graphene-oxide composites modified glassy carbon electrode (α-Fe 2O3/rGO/GCE) is developed for ultrasensitive electrochemical detection of DA.

TL;DR: In this paper, the versatile zeolite imidazolate-based metal-organic frameworks (ZIF-MOF) are effectively synthesized using solvothermal method for superior gas sensing applications.

TL;DR: In this paper, the authors highlighted the heterojunction-based graphitic carbon nitride (g-C3N4) and its enhanced photodegradation of the dyes.

TL;DR: In this article, a review on combining cost efficient biochar and catalytic nanoparticles for effective degradation of pollutants has been presented and the synthesis and performance of these BSPs are also discussed.

TL;DR: Li et al. as mentioned in this paper designed ultra-thin Ni-MOF@NiS2 nanosheet arrays derived from Ni-MoF as self-sacrificed template and precursor.

TL;DR: In this article, the effect of temperature on the features of the crystal and magnetic structures, as well as the magnetic properties of the solid solution of SrFe10.8In1.2O19 hexaferrite was investigated.

TL;DR: In this article, cobalt doped CeO2 nanoparticles (Co-CeO2 NPs) were prepared in a media that contained Salvadoral persica extract, cerium nitrate, and cobalt sulfate.

TL;DR: In this article, the authors developed porous carbon via molten salt method as high performance Zn ion hybrid supercapacitors (ZHSCs) cathode, which showed high specific area as well as abundant mesopores.

TL;DR: In this article, spongy ball-like CuO and CuO/rGO photocatalysts were successfully synthesized by a simple hydrothermal method and further studied for hydrogen production activity.

TL;DR: Improved dielectric properties of CaCu3Ti4O12 ceramics were produced by co-doping with Sr2+/F- cation/anions as mentioned in this paper.

TL;DR: In this article, bimetallic CoNiSx was coupled with g-C3N4 to form composite and played as a role of co-catalyst to improve the photo-catalytic activity.

TL;DR: In this paper, various concentrations of trivalent samarium ions activated SiO 2 +B2O3 + Na2CO3+ NaF+CaF2 (SBNCSm05) glasses have been prepared with the conventional melt quenching method.

TL;DR: In this paper, the major bottlenecks in achieving highly efficient UV LEDS has been discussed, highlighting better techniques of crystal growth, many design aspects, difficulties in fabrication technologies, modern nanostructured materials and devices, and much more on efficient light extraction.

TL;DR: In this paper, porous In2O3 nanorods were fabricated by a simple low-cost hydrothermal method, followed by heat treatment, for use as an effective CO gas sensor.

TL;DR: In this article, a simple one-step combustion reaction between 2methylimidazole (C4H6N2) and sodium nitrate (NaNO3) is employed to convert bamboo powder to produce an N, O co-doped porous carbon (BC-CNa) for usage as a zinc-ion hybrid supercapacitor (ZnHS) cathode material.

TL;DR: In this article, manganese doped zinc selenide (Mn@ZnSe) quantum dots were prepared via a direct aqueous route and the X-ray diffraction pattern reveals the crystalline cubic zinc blende structure of QDs.

TL;DR: In this article, a two-step synthesis of bimetallic copper cobalt selenide nanoparticles embedded in N-doped carbon layers (CuCo)Se/NC) by using metal-organic framework (MOF) as the functional templates is reported.

TL;DR: In this article, a facile, cost-effective, microwave method was developed for the synthesis of copper nanoparticles using different counter ions: sulfate, chloride, acetate, and nitrate.

TL;DR: In this article, a-MnO2/AgBr nanocomposite was synthesized successfully by simple template free metods and photoactivity of the prepared photocatalysts was investigated under visible light.

TL;DR: In this paper, the shape-dependent magnetic properties of nanorhombohedrons and nanoplates were investigated in terms of the transverse relaxivity rate of a 15.2 T MRI image.

TL;DR: In this paper, a series of In2O3/g-C3N4 heterojunction composites with multi-porosity was synthesized for photocatalytic hydrogen evolution.

TL;DR: In this article, a solid-state reaction was performed on CaCu3Ti4O12 (CCTO) and Sr0.75Ca0.25TiO3 (SCTO) phase for sample x = 3.28 × 105.

TL;DR: In this paper, a carbon nanotube (CNT)-incorporated MAPI3 perovskite film made in ambient air was employed as an effective absorber layer.

TL;DR: In this article, the hierarchical Ni-doped BiOCl microflowers self-assembled by 2D nanosheets were synthesized through a one-step solvothermal method.

TL;DR: Li et al. as mentioned in this paper showed that Li6SrLa2Sb2O12: Mn4+ is a potential red phosphor matching NUV LED chips for plant growth application.

TL;DR: In this paper, high sensitivity and high selectivity room temperature ammonia (NH3) gas sensors with both visual and electrical response can be made from family of lead halide perovskites with different cations and anions.