In this work, we prepared 90 nm thick Ti3C2Tx-graphene oxide (GO) membranes laminated on a porous support by mixing GO with Ti3C2Tx. This process was chosen to prevent the penetration of target molecules through inter-edge defects or voids poor packing. The lattice period membrane 14.28 Å, as being swelled water, resulting in an effective interlayer spacing around 5 which corresponds two layers water molecules. composite effectively rejected dye hydrated radii above well positively charged...

Cuprous oxide (Cu2O) is one of the most promising materials for photoreduction CO2 because its high conduction band and small gap, which enable production high-potential electrons under visible-light irradiation. However, it difficult to reduce using a Cu2O-based photocatalyst due fast charge recombination low photostability. In this work, we enhanced photocatalytic conversion activity Cu2O by hybridization NWAs, carbon layers, BiVO4 nanoparticles. By construction Z-scheme flow on 3-D NWA...

This study provides a significant enhancement in CO2 photoconversion efficiency by the functionalization of reduced graphene oxide/cadmium sulfide composite (rGO/CdS) with amine. The amine-functionalized graphene/CdS (AG/CdS) was obtained two steps. First, oxide (GO) selectively deposited via electrostatic interaction CdS nanoparticles modified 3-aminopropyltriethoxysilane. Subsequently, ethylenediamine (NH2C2H4NH2) grafted an N,N′-dicyclohexylcarbodiimide coupling reaction between amine...

Abstract Use of Cu and + is one the most promising approaches for production C 2 products by electrocatalytic CO reduction reaction (CO RR) because it can facilitate activation CC dimerization. However, selective electrosynthesis 2+ on 0 Cu interfaces critically limited due to low ethanol relative ethylene. In this study, a novel porous Cu/Cu O aerogel network introduced afford high productivity RR. The synthesized simple chemical redox precursor reducing agent. RR results reveal that...

The development of photocatalysts CO2 reduction based on stable and Earth-abundant materials is essential for utilizing solar energy storing it in chemical forms. Here, we report the synthesis characterization a composite material consisting few layers MoS2 hierarchical porous structure mesoporous TiO2 macroporous 3D graphene aerogel (TGM) as high-performance, robust, noble-metal-free photocatalyst reduction. contributed to high photocatalytic catalyst performance, which was investigated by...

In this study, reduced graphene oxide (rGO) and nanoribbons (GONRs) are used to fabricate a composite membrane that exhibits ultrafast water permeance (312.8 L m-2 h-1 bar-1) precise molecular separation (molecular weight cutoff: 269 Da), which surpass the upper bound of previously reported polymer graphene-based nanofiltration membranes. As two-dimensional GONR width on scale nanometers, its nanochannels can be enlarged without hindering stacking rGO. Moreover, abundant oxygen-containing...

Achieving high electrochemical conversion of carbon dioxide (CO2) into valuable fuels and chemicals is one the most promising directions to address environmental energy challenges. Although several single-crystal based studies simulation results have reported that rich in steps on Cu (100) surfaces are favorable convert toward C2 alcohol products, still stuck low-index facets or surface defect-derived low density step-sites. In present work, we report production ethanol by synthesizing a...

We present a simple and up-scalable method to produce highly repaired graphene oxide with large surface area, by introducing spherical multi-layered balls empty interiors. These are prepared via chemical vapor deposition (CVD) of Ni particles on the oxides (GO). Transmission electron microscopy Raman spectroscopy results reveal that defects in GO surfaces well during CVD process, help nickel nanoparticles attached functional groups surface, further resulting high electrical conductivity...

In this paper, we have reported a new, visible-light-driven photocatalyst composed of 2D mesoporous TiO₂ on reduced graphene oxide, which enables enhanced absorption visible light, showing outstanding charge separation ability, and large surface area.

Abstract Owing to its simplicity and low temperature conditions, magnesiothermic reduction of silica is one the most powerful methods for producing silicon nanostructures. However, incomplete takes place in this process leaving unconverted under layer. This phenomenon limits use method rational design structures. In effort, a technique that enables complete form has been developed. The procedure involves magnesium promoted vertically oriented mesoporous channels on reduced graphene oxides...

Carbothermal shock can produce a high surface coverage of metal nanoparticles by introducing cellulose.

Oxide-supported amine materials are widely known to be effective CO2 sorbents under simulated flue-gas and direct-air-capture conditions. Most work has focused on species loaded onto porous silica supports, though potential stability advantages may offered through the use of alumina supports. Unlike materials, which comparably inert, can tuned have substantial acidity and/or basicity. Owing their amphoteric nature, supports play a more active role in sorption than potentially directly...

One of the most interesting topics in physical science and materials is creation complex wrinkled structures on thin-film surfaces because their several advantages high surface area, localized strain, stress tolerance. In this study, a significant step was taken toward solving limitations imposed by fabrication previous artificial wrinkles. A universal method for preparing hierarchical three-dimensional wrinkle thin films multiple scale (e.g., nanometers to micrometers) sequential wrinkling...

Among the various factors required for membranes in organic solvent separations, stability of membrane supports is critical preparation with universal chemical stability, mechanical flexibility, and high flux. In this study, nanoporous freestanding carbon nanotube (CNT) films were fabricated utilized as enhanced permeation solvents. The excellent CNT support allowed it to withstand solvents such toluene, acetone, dimethylformamide. addition, structural pore density deposition an ultrathin...

The development of a practical alternative to indium tin oxide (ITO) is one the most important issues in flexible optoelectronics.

With growing focus on the use of carbon nanomaterials in chemical sensors, one-dimensional graphene nanoribbon (GNR) has become one most attractive channel materials, owing to its enhanced conductance fluctuation by quantum confinement effects and dense, abundant edge sites. Due narrow width a basal plane with morphology, modification sites would greatly affect electrical properties GNR. Here, we demonstrate for first time that chemically functionalizing aminopropylsilane (APS) molecules can...

Enhancement of the fluorescence intensity quantum dot (QD)-polymer nanocomposite arrays is an important issue in QD studies because significant reduction signals such due to nonradiative processes densely packed polymer chains solid films. In this study, we enhance without significantly reducing their optical transparency. Enhanced achieved by hybridizing ultrathin plasmonic Au nanowalls onto sidewalls via single-step patterning and hybridization. The nanowall induces metal-enhanced...

The rechargeable Li-CO2 battery has attracted considerable attention in recent years because of its carbon dioxide (CO2) utilization and it represents a practical Li-air battery. As with other systems such as the Li-ion, Li-O2, Li-S systems, understanding reaction pathway is first step to achieving high performance strongly affected by intermediates. Despite intensive efforts this area, effect material parameters (e.g., electrolyte, cathode, catalyst) on batteries not yet fully understood....

Abstract To address the poor oil–water separation efficiency and bactericidal properties of existing membranes for treatment industrial oily wastewater discharge, this study designed an in-and-out coating material modifying inner site outer surface porous activated carbon fabric (ACF) using urethane reactions. end, fluorinated polyurethane (F-PU) materials were synthesized perfluoroalkyl alcohol, ethylene glycol (EG), isophorone diisocyanate (IPDI). Subsequently, ACF coated with F-PU via...

Herein, a new carbon-based graphitic membrane composed of laminated nanoribbons with nanometer-scale width and micrometer-scale length, the nanoribbon membrane, is reported. Compared to existing membranes, such as those graphene oxide carbon nanotubes, developed exhibits several unique characteristics in pressure-driven systems. First, short diffusion length through its interlayer free volume stacked result high solvent flux regardless polarity (water: 25-250 L m-2 h-1 bar-1; toluene: ∼975...

Abstract A Z‐scheme graphitic carbon nitride (g‐C 3 N 4 )/α‐Fe 2 O has been incorporated into a three‐dimensional porous graphene aerogel. Graphene aerogels are promising framework in their use for practical photocatalysis by abundant reaction sites, efficient mass transport of reactants and recyclability through free‐standing framework. At the same time, charge transfer among g‐C , α‐Fe conductive inhibits rapid recombination photoinduced electrons holes. Ternary N4/α‐Fe /graphene (CNFGA)...

Personal protective equipment against chemical warfare agents and other toxic chemicals must be protective, breathable, have a low thermal burden. Selectively permeable membranes are promising candidates for such equipment. In this study, hybrid membrane consisting of continuous thin zeolitic imidazolate framework (ZIF)-8 layer on an oxygen-rich small-flake graphene oxide was produced using simple scalable synthesis method. The small intrinsic pores ZIF-8 allow it to selectively separate via...

Here, the conductivity of graphene films was significantly enhanced, with only a negligible loss in optical transmittance, by controlling intrinsic electrical properties and domains through combination chemical doping deposition few one-dimensional (1D) silver nanowires (AgNWs). Ultraviolet photoelectron spectrophotometry (UPS) results Raman spectra showed that transparent conducting performance CVD-grown film can be attributed to effect electric pathways provided AgNW bridging between...

Due to the growing demand for high energy density devices, Li-O2 batteries are considered as a next generation storage system. The battery performance is highly dependent on Li2O2 morphology, which arises from formation pathways such surface growth and solution models. Thus, controlling pathway important in designing cathode materials. Herein first time, we controlled by using Mo2CT x MXene catalyst support. was fabricated mixing positively charged CNT/CTAB with negatively solution. After...