Complex symmetrical CuS nanostructures were synthesized in large scale by a simple wet chemical method at low temperature. As semiconductor material with superstructure, was well characterized and firstly introduced into PVDF to form nanocomposites. The substantial enhancement of wave absorption (−102 dB 7.7 GHz) observed addition filler loading (5 wt%). mechanism for the enhanced absorbing properties explained detail.

Novel RGO–hematite nanocomposites have been successfully fabricated using a surfactant-governed approach in the presence of polyvinylpyrrolidone (PVP) under mild wet chemical conditions (105 °C). A series characterization methods including X-ray diffraction (XRD), Raman spectroscopy, scanning electron microscopy (SEM) and transmission (TEM) indicated that as-prepared single-crystal hematite particles with relatively uniform size are embedded RGO layers to form unique quasi shell–core...

Graphite was modified by a simple method, and the structure of graphite intercalated composite (GIC) investigated SEM, XRD XPS. The increased absorption properties at frequencies from 2 to 18 GHz were studied in detail. results show that PVDF–GIC composites exhibit strong microwave absorbing intensities (−64.4 dB 10.59 GHz) with low filler loading (9.0 wt%), while are still as flexible pure PVDF.

The metal/oxide interface has been extensively studied due to its importance for heterogeneous catalysis. However, the exact role of interfacial atomic structures in governing catalytic processes still remains elusive. Herein, we demonstrate how manipulation at Au/TiO2 significantly alters electron distribution and prompts O2 activation. It is discovered that defect-free electrons transfer from Ti3+ species into Au nanoparticles (NPs) further migrate adsorbed perimeter molecules (i.e., form...

Abstract A series of CuS nanostructures were synthesized by a simple wet chemical method on large scale in the presence cetyltrimethylammonium bromide at low temperature. Three typical samples selected to study relationship between morphologies and resulting physical properties. The optical properties hierarchical structures investigated UV/Vis Raman spectroscopy excellent photocatalytic performance was also evaluated measuring decomposition rate methylene blue under natural light. As an...

Plasmon-mediated carrier transfer (PMCT) at metal-semiconductor heterojunctions has been extensively exploited to drive photochemical reactions, offering intriguing opportunities for solar photocatalysis. However, date, most studies have conducted using noble metals. Inexpensive materials capable of generating and transferring hot carriers photocatalysis via PMCT rarely explored. Here, we demonstrate that the plasmon excitation nickel induces both electrons holes from Ni TiO2 in a rationally...

Oncoprotein platelet derived growth factor-BB (PDGF-BB) is one of the most critical factors that regulates tumor and division. In this work, a highly sensitive selective fluorescence resonance energy transfer (FRET) aptasensor for PDGF-BB detection based on assembly dye-labeled aptamer graphene oxide (GO) developed first time. Due to non-covalent between GO, quenching dye takes place because FRET. presence PDGF-BB, binding will disturb interaction release from GO surface, resulting in...

Abstract Bone defects remain a significant challenge in clinical orthopedics, but no targeted medication can solve these problems. Inspired by inflammatory targeting properties of macrophages, microenvironment bone was exploited to develop multifunctional nanocarrier capable and promoting regeneration. The avidin-modified black phosphorus nanosheets (BP-Avidin, BP Avi ) were combined with biotin-modified Icaritin (ICT-Biotin, ICT Bio synthesize (ICT)-loaded (BP ). then coated macrophage...

α-MnO2 hollow-sphere-like clusters composed of nanotubes have been synthesized on a large scale by simple hydrothermal method. The results show that the 3D are assembled 1D (HSC-nanotubes) with diameter around 80–100 nm and length 2–3 μm. influences reaction time temperature morphology final products investigated, while formation mechanism is also discussed. possess much better dielectric properties than bulk material, which directly related to their special nanostructures. Besides, were...

In this paper, an efficient approach to mask optimization for digital micromirror device lithography is proposed, leveraging enhanced particle swarm algorithm, which significantly elevates the resolution and precision of lithography. Initially, chaos mapping applied initial population enhance diversity, thereby improving efficiency algorithm. Subsequently, self-adaptive parameter adjustments simulated annealing are integrated effectively avoid premature convergence escape local optima....

Abstract White‐fungus‐like NiS x microspheres have been synthesized on a large scale by using simple hydrothermal method. The influence of the reaction time and surfactant final products was investigated, formation mechanism discussed. white‐fungus‐like were used firstly as fillers in fabrication /polyvinylidene fluoride (PVDF) composites. Relationships between loadings wave‐absorption properties composites analyzed. loss mechanisms /PVDF with different also discussed according to their...

Plasmon-generated hot electrons in metal/oxide heterostructures have been used extensively for driving photochemistry. However, little is known about the origin of plasmon-generated holes promoting photochemical reactions. Herein, we discover that, during nonradiative plasmon decay, interband excitation rather than intraband generates energetic that enable to drive water oxidation at Au/TiO2 interface. Distinct from lukewarm via only remain on Au, are found be transferred Au into TiO2 and...

A one-pot synthesis of 2-(N-substituted amino)-1,4-naphthoquinones from 1,4-naphthoquinones and nitro compounds in water has been developed. This method features mild reaction conditions provides aromatic with various functional groups such as halogens, methylthio, ester, amide, even allyl, propargyl, heterocycles, well aliphatic that are tolerated. can be scaled up we conducted further transformation the obtained to synthesize carbazolequinone derivatives.

Abstract A facile and environmentally friendly hydrothermal approach has been employed to synthesize size‐controllable quasi‐cubic α‐Fe 2 O 3 nanocrystals by using an aqueous solution of FeCl without any alkaline materials stabilizing agent. The as‐prepared products were carefully characterized the growth mechanism is also discussed. This synthesis such structures implies a simple low‐cost route prepare monodisperse nanomaterials on large scale. first achieved successfully from 80 nm μm with...

In the article, PVDF-based composites reinforced by MWCNT and phenolic epoxy resin were prepared solution casting method to get a material with excellent mechanical properties high dielectric breakdown strength when conductor is as filler. The experimental results demonstrate that constant of m-MWCNT/EP/PVDF (εr = 32 at 100 Hz) twice times higher than EP/PVDF composites, about three pure PVDF. loss not others (Tan δ 0.3 Hz). MV/m, which superior most modified conductors. for conductors under...

Abstract A regioselective synthesis of isoxazoles with propargyl alcohols, N ‐iodosuccinimide (NIS), and N‐tert ‐butyl hydroxylamine hydrochloride (t‐BuNHOH•HCl) as the reaction substrates is reported. Reaction scope investigations indicated that primary secondary alcohols underwent this transformation smoothly to afford 5‐, 3‐, 3,5‐substituted in moderate good yields. The most likely involves an electrophilic‐intercepted Meyer‐Schuster rearrangement alcohol, followed by intermolecular...

Abstract Using light irradiation to manipulate magnetization over a prolonged period of time offers wealth opportunities for spin‐based electronics and photonics. To date, persistent photomagnetism has been frequently reported in spin systems composed molecular magnets; yet this phenomenon is rarely observed nanoparticle‐based comprised transition metal oxides. Here, detailed studies superparamagnetic iron oxide (Fe 3 O 4 ) nanoparticles at temperatures below their blocking temperature are...

Metasurfaces formed by subwavelength meta-atoms have continuously attracted interest owing to their flexible optical modulation, which offers unprecedented capability for the miniaturization of devices. Recently, broadband achromatic metalenses been extensively reported visible and mid-infrared light. However, it is a huge challenge simultaneously manipulate light due large wavelength range. Here, compound meta-atom proposed realize multiband manipulation, comprises two-layer decoupled...

Abstract Plasmon‐mediated carrier transfer (PMCT) at metal–semiconductor heterojunctions has been extensively exploited to drive photochemical reactions, offering intriguing opportunities for solar photocatalysis. However, date, most studies have conducted using noble metals. Inexpensive materials capable of generating and transferring hot carriers photocatalysis via PMCT rarely explored. Here, we demonstrate that the plasmon excitation nickel induces both electrons holes from Ni TiO 2 in a...

Abstract Fluorine has been recognized to selectively stabilize anatase titanium dioxide (TiO 2 ) crystal facets; however, resolving its physical location at the nanometer scale remains empirically elusive. Here, we provide direct experimental evidence reveal spatial distribution of fluorine on single truncated bipyramids (TABs) using nanoscale secondary ion mass spectrometry (NanoSIMS). was found preferentially adsorb (001) facet compared (101) TABs. Moreover, NanoSIMS depth profiling...