Showing papers in "Materials Letters in 2021"

TL;DR: In this paper, in-situ CoZn-Metal-Organic Framework (MOF) nanoparticles (NPs) were converted into bi-oxide metal Co3O4-ZnO nano-size by calcination.

TL;DR: In this article, the authors highlight recent advances and current challenges to project 2D MXenes for next generation biosensing based on unfurled potentials and novel bio-analytical technologies.

TL;DR: In this paper, a ductile body-centered cubic Ti1.5ZrNbAl 0.3 RHEA with high specific strength was developed and the tensile specific yield strength and fracture elongation of this alloy are 145.5 MPa · g−1 · cm3 and 23.0%, respectively.

TL;DR: In this article, the absorber plate of a single basin solar still is coated by black paint doped with reduced graphene oxide (RGO) nanosheet having a mass fraction of 4-12-wt, to augment the water yield.

TL;DR: In this article, highly sensitive graphene quantum dot reinforced poly (vinylidene fluoride)-co-hexafluoride propylene (PVDF-HFP) based flexible piezoelectric nanogenerator for the first time.

TL;DR: In this article, the use of waste and by-products in CDs synthesis, their potentials, and advantages, as well as present current challenges in the field of study are explored.

TL;DR: In this article, a novel MnO2-based electrode with superior electrochemical behaviors in ionic liquid electrolyte has been put forward, which consists of two-dimensional porous N-doped carbon (PNC) as the sacrificial template.

TL;DR: In this paper, a photocatalyst of Fe3O4/ZnO nanoparticles embedded carboxylate-rich carbon was developed, and its photocatalytic activity was evaluated for the degradation of crystal violet (CV) under natural sunlight.

TL;DR: In this paper, columbite CuNb2O6 anode materials are prepared at 800-1000°C through the typical solid-state reaction, and sintered at 900-°C exhibits not only an exceptional rate capability (still 154.9 mAh·g−1 at the ultra-large current rate of 5 A·g −1) but also outstanding cyclic stability.

TL;DR: This featured article compiles the up-to-date data on the nano-enabled wearable sensors for IoT and discusses their future aspects and challenges.

TL;DR: In this article, a novel metal-organic framework (MOF) TMU-13 was synthesized by the reaction of 2,6-naphthalenedicarboxylic acid (2, 6-NDC) as the O-donor ligand, 1,4-diazabicyclo [2.2] octane (dabco) and Zn(II) nitrate hexahydrate.

TL;DR: In this article, a severe plastic deformation process named friction stir extrusion was proposed to fabricate high-strength andductility rare-earth containing Mg alloys, which resulted in the yield strength, ultimate strength and compression strain increased by 42.5%, 63.6% and 35.5% respectively.

TL;DR: In this paper, a solid polymer electrolyte based on choline chloride/lactic acid deep eutectic solvent (DES) entrapped in chitosan (CS) matrix was demonstrated as potential separator for electrochemical energy storage devices.

TL;DR: In this paper, powder plasma arc additive manufacturing (PPA-AM) was used for the first time to fabricate CoCrFeNi(SiC)x (x ǫ = 0, 0.3 and 0.5) HEAs.

TL;DR: Biogenic MgONPs produced by using Acinetobacter johnsonii strain RTN1 against rice pathogen Acidovorax oryzae for the first time showed substantial antibacterial activity and could be used to formulate a potent nanopesticide for A.oryzae.

TL;DR: In this paper, friction stir processing of as-cast Mg-7Al, Mg4Al-3Ca (AX43), and Mg2Al-5Ca(AX25) magnesium alloys led to the remarkable grain refinement and enhancement of mechanical properties.

TL;DR: In this paper, a step-scheme heterojunction was formed by growing cobalt oxide (CoO) in situ on porous graphitic carbon nitride (PCN) to convert CO2 to CO.

TL;DR: In this paper, a new approach was proposed wherein WAAM can be utilized to repair corroded surfaces in AA5052 structures, and the microstructural evolution of WAAM processed plates via CMT, and CMT+pulse (CMT+P) modes were investigated.

TL;DR: In this paper, the effect of Sr and Sb additions as potential primary Si refiners for A390 hypereutectic Al alloy was analyzed, and the experimental results indicate that only twin formation is not responsible for primary Si refinement.

TL;DR: In this paper, sandwiched MXene/Ferrite@C (Ti3C2Tx/Fe3O4@C) hybrids were obtained by assembling MXene with Fe3O 4@C nanoparticles derived from Fe-MOFs and achieved an excellent microwave absorption performance with a RLmin of −45.5 dB, an effective absorbing bandwidth of 3.5 GHz and a thin thickness of 1.6mm.

TL;DR: Zhang et al. as discussed by the authors showed that the doping concentration played a vital role in materials morphology and optical properties and confirmed the existence of thin uniform nanoplate surface morphology, which exhibited a chief role in anticancer mechanism and activity.

TL;DR: In this article, high refractive index, dielectric TiCN nanocubes presenting sharp nano-edges and nano-corners interfaced with plasmonic Ag nanofilms were evaluated with and without graphene oxide nanolayer in surface Plasmon-coupled emission (SPCE) substrates.

TL;DR: In this paper, ZnO/ZnS heterojunction nanoarrays have been synthesized by facile vulcanizing surface of wurtzite nanorods into blende ZnS nanoparticles through hydrothermal method.

TL;DR: In this article, the authors used extracts of Citrus medica, Tagetes lemmonii, and Tarenna asiatica as a reducing and capping agent.

TL;DR: In this paper, an ultrasonic vibration dispersion technique was used to produce high-strength aluminum alloys by laser powder bed fusion (LPBF) and the microstructure of as-built composites was significantly refined after adding TiN nanoparticles, thus inhibiting the crack initiation.

TL;DR: In this article, a new ultra-high-speed laser cladding technique for fabricating Fe-based amorphous coatings was introduced and the effects of scanning speed and powder feeding rate on microstructure and properties of the coatings were studied.

TL;DR: In this article, a review concisely provided innovative graphene and its derivative-based-IoT integrated electrochemical biosensor for accurate and advanced high-throughput testing of SARS-CoV-2 in point-of-care (POC) devices.

TL;DR: In this article, a silver/graphene oxide (Ag/GO) nanocomposite was fabricated by co-precipitation with green reducing agent and then was characterized with modern analytical techniques.

TL;DR: In this article, micro-plasma cladding can effectively reduce decomposition of a TiC particle and the lowest decomposition rate was 0.8% while the hardness and wear resistance of the cladding layers were greatly enhanced with the addition of TiC.

TL;DR: In this paper, a green synthesis approach has been employed for the formation of ZnO and Ag-doped znO nanoparticles (NPs) using the aqueous extract of Azadirachta indica (Neem) leaves as reducing agent.