3D macroporous hierarchical Ag-G-NCF can efficiently convert CO₂ to ethanol with a low overpotential, high faradaic efficiency and selectivity.

Abstract The electrochemical CO 2 reduction reaction (CO RR) to produce and H (syngas) is a promising method for clean energy, but challenges remain, such as controlling the CO/H ratios required syngas yield. Herein, hydrophobic exfoliated MoS (H‐E‐MoS ) nanosheets are fabricated from bulk by cost‐effective ball‐milling method, followed decoration with fluorosilane (FAS). H‐E‐MoS electrocatalyst capable of directly reducing O tuneable production wide range (from 1:2 4:1). In addition, shows...

1D/2D NR/CS-X displayed an excellent electroreduction CO₂ performance with low onset overpotential and high Faraday efficiency, impressive stability fast kinetics.

In order to broaden the selectivity of graphite nanosheet additives on epoxy resin-based coatings and verify size effect, this work aims dope nanosheets different sizes into three-dimensional structure produced by cross-linking curing resin polyamide resin. addition, a micro-nano level secondary surface with special roughness are constructed obtain composite hydrophobic coating. The influence effect performance corrosion resistance coating is summarized as well. Among them, optimized doping...

Currently, with the gradual development of corrosion-resistant materials, coatings often exhibit ultra-high hydrophobic properties while possessing corrosion resistance, complicating preparation coatings. To explore a novel coating that combines high resistance simplified methods, mullite/kaolin powder was stirred using ball milling, and polyvinyl butyral added to serve as binder, thereby preparing hydrophilic highly coating. The characterized SEM, IR, XRD, other testing methods. results...

Throughout millions of years biological evolution, shell structures have developed a highly complex layered organic–inorganic structure that makes them effective against wide range external impacts, including mechanical stress and chemical corrosion. Therefore, shell-like biomimetic materials are considered to possess high strength toughness. Nevertheless, although exhibited superior performance across multiple domains, understanding their structural complexities corrosion protection...

Abstract The electrochemical CO 2 reduction to desired chemical feedstocks is of importance, yet it still challenging obtain high production selectivity with low overpotential at a current density surpassing the industry benchmark 100 mA cm −2 . Herein, we constructed low‐cost Zn single‐atom anchored on curved N‐doped carbon nanofibers (Zn SAs/N−C) by facile noncovalent self‐assembly approach. At only 330 mV, SAs/N−C exhibited simultaneously both up 121.5 and FE 94.7 %, superior previous...

Abstract Superhydrophobic nanostructured coatings are a promising technology in construction engineering. This study developed hydrophobic film through simple mixing method, utilizing kaolin and polytetrafluoroethylene as additive particles, 1 H ,1 ,2 -perfluoro-decyl triethoxysilane modifier, epoxide resi n polyamide curing agent adhesives. By controlling variables, it was determined that the C P 0.2 EP coating immersed 3.5 wt% NaCl solution for 1, 3, 7 days exhibited maximum impedance...

Abstract Nitrogen‐doped carbon nanotubes (NCNTs) are usually selective and robust electrocatalysts for CO 2 reduction to in aqueous media. However, the electronic property of NCNTs is strongly dependent on their curvature, change curvature has a great impact electrocatalytic performance. Therefore, it highly desirable clarify effect RR Herein, we investigated performances with different curvatures, which were obtained by doping N into CNTs under high temperatures. And low l ‐NCNT‐1000...

In this work, waterborne epoxy resin and graphene/ZnO (Gr/ZnO) were employed as the matrix nanofiller to construct composite coatings with enhanced anticorrosive performance. The corrosion protection properties of significantly improved by dispersed Gr sheets, well parallelly assembled ZnO nanoparticles. most remarkable improvement was achieved adding 0.04 wt% 0.4 in Waterborne Epoxy (WEP) coatings, where highest impedance 200 530 Ω cm2 on Gr0.04-ZnO0.4, far more than pure 6186 after 7 days...

It is predicted that the thickness of a coating has major effects on substrate in terms mechanical and thermal properties. In this study, an Al2O3-ZrO2-SiO2 slurry was prepared as material, which formed alumina-zirconia-mullite composite after sintering. The coated zirconia to generate compressive stress due mismatch coefficient expansion (CTE). A series samples with different thicknesses from ∼10 μm ∼200 were investigate thickness. residual stress, conductivity, CTE, Young's modulus...

Abstract In this study, the intermediates of photocatalytic degradation tetracycline hydrochloride (TC‐HCl) were analyzed by high performance liquid chromatography‐mass spectrometry. The doping polypyrrole (PPy) and carbon nanotubes (CNTs) increased reaction rate TC‐HCl ZnO. prepared ZnO has a large specific surface area, which can improve adsorption performance. introduction PPy CNTs promote electron transfer reduce recombination photogenerated hole pairs in composite material...

Abstract Electrochemical reduction of CO 2 to carbon monoxide (CO) and other useful fuels/chemicals offers a green promising technical solution for alleviating greenhouse effect creating economic benefits. Herein, we developed single‐atom Fe dispersed on N‐doped carbons nanosheet (Fe−SA/NCS−X) electroreduction by direct pyrolysis hemin‐doped polyaniline fabricated in‐situ chemical polymerization. The Fe‐SA/NCS‐700 achieved Faraday efficiency up 87 % at −0.45 V vs. RHE, low onset...

Semiconductor photocatalysts have great potential in solving global energy shortage and environmental pollution, while graphite nitride (g-C3N4) is limited photocatalytic degradation of pollutants due to its unique physicochemical, optical electrical properties. In this paper, the preparation g-C3N4 GCC composite samples were reviewed. The performance activity analyzed using rhodamine B dye as target pollutant. At same time, cyclic stability, free radical trapping catalytic mechanism investigated.

Abstract Currently, with the gradual development of anticorrosive coatings, pursuit simple preparation methods and improvement coatings’ properties have become major research trends. This study successfully prepared a hydrophilic super coating through mixing method. The has contact Angle 67.8° rolling greater than 20°. can withstand 180 days salt spray test no bubble or rust formation when placed on Q 235 substrate in 3.5 wt % NaCl solution, demonstrating excellent corrosion resistance AO...

Abstract The UV-Vis absorption and fluorescence spectra of proanthocyanidins at different pH values were studied, the change peak position was analyzed. intermediate stable states in conditions, electron transition modes emission these steady Eight parts proanthocyanidins, each with mass 1.00 mg, added to acetic acid buffer solution turn. samples same concentration measured by UV-visible spectrophotometer spectrophotometer, spectrogram analysis carried out. wavelength did not obviously...

Polypyrrole (PPy), polyaniline (PANI) and polythiophene (PTh) are commonly used as conductive polymers in electrochemical capacitors. The research of various electrode materials has played a positive role promoting the development high-energy equipment. In​ this paper, polypyrrole nanoparticles with different contents were doped to prepare binary nanocomposite samples. Degradation experiment chooses rhodamine into degradation, for preparation new type composite photocatalyst samples...

In this work, a CdTe quantum dot-based fluorescent probe was synthesized to determine felodipine (FEL). The synthesis conditions, structure, and interaction conditions with FEL of dots were analysed by fluorescence spectrophotometry, Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), UV-visible spectroscopy, TEM. QD concentration 2.0 × 10-4 mol/L. amount controlled in the experiment 0.8 mL. feeding ratio N (Cd2+):N (Te2-):N (TGA) 2:1:4, heating temperature 140 °C, time...

Z-scheme heterojunction photocatalytic nanomaterial designs have attracted attention due to their high catalytic performance. Deep eutectic solvents (DESs) been used as green, sustainable media, acting and structure inducers in the synthesis of nanomaterials. In this work, a novel visible-light-absorption-enhanced bismuth vanadate/bismuth oxychloride/sulfur, nitrogen co-doped graphene quantum dot (BiVO4/BiOCl/S,N-GQDS) photocatalyst was prepared deep solvent. The photosynthetic activity...