Mn-doping in cesium lead halide perovskite nanoplatelets (NPls) is of particular importance where strong quantum confinement plays a significant role towards the exciton-dopant coupling. In this work, we report an immiscible bi-phasic strategy for post-synthetic CsPbX

As a crucial element in photovoltaic power generation systems, the condition of solar panels significantly impacts efficiency generation. The ability to accurately and promptly detect defects is essential for enhancing system performance. This study introduces novel model identifying modules, leveraging an enhanced version EfficientNet-V2. aims address challenges infrared images under conditions high-noise low-model efficiency. To high image noise blur, this article initially presents...

In order to improve hydrophilicity and settle the acidity in hydrolysis, a novel ethanediamine (EDA) maleic anhydride (MAH) modified poly(D,L-lactide-co-glycolide) (PLGA) polymer (EMPLGA) was synthesized. Fourier Transform Infrared Spectrometer (FTIR), Gel Permeation Chromatography (GPC), Nuclear Magnetic Resonance (1HNMR), titration water contact angles were employed characterize synthesized polymer. The effects of various polymerization conditions on weight average molecular mass (Mw),...

Three-dimensional biodegradable porous scaffolds play an important role in tissue engineering. A new polymer based on maleated poly(lactic-co-glycolic acid) (MPLGA) was synthesized using direct melt copolymerization from maleic anhydride (MAH), D, L-lactide, and glycolide monomers. MPLGA were prepared by a solution-casting/salt-leaching method. The effects of content size the NaHCO3 porogen compressive strength investigated, effect porosity also studied. results indicated that MAH grafted...

Bone tissue engineering is sought to apply strategies for bone defects healing biodegradable porous scaffolds without limitations and shortcomings. In this work, we have developed a novel maleic anhydride (MAH) 1,4-butanediamine modified poly(lactide-co-glycolide) polymer (BMPLGA). The synthesized was characterized by Fourier transform infrared spectrometry (FTIR), Nuclear magnetic resonance spectra (1H NMR), gel permeation chromatography (GPC) contact angle measurements. addition, cell...

Two-dimensional (2D) materials are attractive candidates for high-performance photodetectors due to their wide operating wavelength and potential integrate with silicon photonics. However, limited atomic thickness short carrier lifetime, they suffer from high driving source-drain voltages, weak light-matter interactions low collection efficiency. Here, we present a van der Waals (vdWs) heterostructure-based photodetector integrated on nitride photonic platform combining p-type black...

Polyurethane (PU) hydrogel is an important biomedical material for drug controlled release systems, wound dressings and medical bandages. Three series of polyurethane prepolymers based on methylene diphenyl diisocyanate (MDI), polycaprolactone (PCL) polyethylene glycol (PEG), using diethylene (DEG), N-methyldiethanolamine (MDEA) or dimethylolpropionic acid (DMPA), as the chain-extender, were prepared. Then hydrogels obtained from prepolymers, benzoyl peroxide (BPO) a cross-linking agent, by...

Polyurethane (PU) hydrogels with good hydrophilicity and biocompatibility have been applied as biomedical materials. A series of polyurethane prepolymers based on methylene diphenyl diisocyanate (MDI), polycaprolactone (PCL) polyethylene glycol (PEG), using diethylene (DEG) the chain-extender, were synthesized; then obtained from benzoyl peroxide (BPO) a cross-linker by free radical polymerization. The influences ratio polyols (PCL PEG) contact angle, swelling morphology hydrogel...

Abstract Heterostructures integrated by diverse material featuring nanocrystals (NCs) tunable properties and functions are of great interest. However, to rationally design precisely control the heterostructures in multiple shapes still remains a tremendous challenge. In this work, nucleation SiO 2 nanoparticles is manipulated via kinetics‐controlled water–hexane interfacial reaction system construct Cs 3 Cu I 5 /SiO heterostructures, which can be well controlled Janus patchy morphology....

The hydrophilic polyurethane (PU) hydrogels have become attractive in the biomedical field for drug delivery. In this work 2, 4-2-isocyanic acid methyl ester (TDI), poly(ϵ-caprolactone) (PCL), and poly(ethylene glycol) (PEG) were used to prepare a prepolymer then diethylene glycol (DEG) was as chain extender novel polyurethane, TDI/PCL-PEG/DEG. obtained PU characterized by Fourier transform infrared (FT-IR) spectroscopy scanning electronic microscopy (SEM). By varying ratio of PCL PEG...

Novel functionalized carbon nanotubes (CNTs) were prepared by grafting disulfide-containing polyethyleneimine (SSPEI) to CNTs. The SSPEI synthesized Michael addition between cystamine bisacrylamide and low molecular weight branched 1.8 kDa PEI. Three grafted (CNTs-SSPEI) successfully through ratios 32.26%, 43.11%, 51.50%, respectively. Moreover, the ratio could be tuned adjusting CNTs/SSPEI during process of preparation. CNTs-SSPEI was characterized using Fourier transform infrared...

Abstract Mn‐doping in cesium lead halide perovskite nanoplatelets (NPls) is of particular importance where strong quantum confinement plays a significant role towards the exciton–dopant coupling. In this work, we report an immiscible bi‐phasic strategy for post‐synthetic CsPbX 3 (X=Br, Cl) NPls. A systematic study shows that electron‐donating oleylamine acts as shuttle ligand to transport MnX 2 through water–hexane interface and deliver it The anion also essential maintaining appropriate...

Magnetic nanoparticles have been widely developed as vectors in targeting drug and gene delivery. Disulfide-containing polyethylenimine derivative- (SSPEI-) functionalized magnetic carbon nanotubes (CNTs/Fe 3 O 4 -SSPEI) were synthesized vector. Fourier transform infrared, transmission electron microscopy, X-ray diffraction, photoelectron spectroscopy, thermogravimetric analysis used to characterize CNTs/Fe -SSPEI nanoparticles. The displayed typical superparamagnetic behavior excellent...

The interface properties of c‐BN/Cu composite play an important role in its application. In this work, we employed first‐principles calculation to investigate the bonding and electronic characteristics c‐BN(111)/Cu(111) interface. adhesion properties, partial density states (PDOS), charge density, difference different interfaces were analyzed. results show that B‐termination “OT” stacking mode is most stable one. at similar c‐BN bulk phase, indicating layer are not affected by Cu atoms. PDOS...

Carbon nanotubes (CNTs) are emerging transporters for delivery of gene and drug. The degradable polycation functionalized CNTs (CNTs-HDDAPEI) were fabricated by grafting ester bond-containing polyethyleneimine (HDDAPEI). Fourier transform infrared spectroscopy, Raman spectrum, transmission electron microscopy thermogravimetric analysis used to characterize the decorated CNTs. Compared with pristine CNTs, CNTs-HDDAPEI displayed better dispersability stability in water.

In the centrosymmetric title polymer, catena-poly[[bis[aqua­(1,10-phenanthroline-κ2N,N′)lead(II)]-di-μ3-5-carboxy-3-sulfonatobenzoato-1:2:1′κ4O3:O1,O1′:O1;2′:1:2κ4O1:O1,O1′:O3] dihydrate], {[Pb(C8H4O7S)(C12H8N2)(H2O)]·H2O}n, each seven-coordinate lead(II) ion is bound by five O atoms from one water molecule and three 5-sulfoisophthalate (sip) anions, two N a 1,10-phenanthroline (phen) ligand. The sip sulfonate group monodentate. One atom of carboxyl­ate chelated to Pb2+ cation, with other...

This rationally designed nanoreactor combines PTT/CDT with a stimuli-responsive drug-delivery nanoplatform and explores new cure to safely effectively fight tumors.

The phenomenon of hydrocarbon micro leakage in oil and gas reservoirs is common, at least 85% fields the world currently have leakage. Remote sensing technology can quickly, efficiently economically detect extract surface mineral anomaly information caused by leakage, so as to provide favorable exploration targets initial stage exploration, which has important social economic significance for reducing risks accelerating process. Based on microleakage theory, this study extracted clay...

In this work, two‐dimensional magnetic chitosan nanosheets (CSMNSs) for azo dye adsorption were successfully synthesised by a simple hydrothermal method. The as‐prepared CSMNSs was characterised scanning electron microscope, transmission microscopy, Fourier transform infrared spectroscopy, thermogravimetric analysis and vibrating sample magnetometer. Then, the as adsorbent applied to removal of two kinds dyes (methyl orange amido black). effect solution pH dosage, isotherm, kinetics...