Themed collection Nanomaterial applications in water

Strategic pairing of engineered nanomaterials to platforms will advance safe and effective deployment of nano-enabled water decontamination.

An international workshop identified how pore structures and unique properties that emerge at nano- to sub-nano- size domains can improve the energy efficiency and selectivity of electroseparation or electrocatalytic processes for treating water.

Colorimetric sensors fabricated via nanomaterials and nanotechnology exhibited promising applications in environmental science.

Two-dimensional (2D) materials with a nanoscale thickness are promising candidates for advanced molecular separations.

Nanomaterials have been demonstrated to be an effective adsorbent or an ion exchanger for selectively removing various radioactive species present in contaminated water while preventing radionuclides from entering and interacting with the biosphere.

Advanced electrocatalysts for halogenated organic pollutant degradation.

The development of enrichment–separation–analysis technologies is the cornerstone of accurately detecting, effectively monitoring, and controlling ENPs in aquatic environments.

The solvent-free chemical vapor crosslinking can directly fix the interlayer spacing of GO membranes for better water treatment.

A novel electroanalytical method for the simultaneous determination of acetaminophen (AC) and levofloxacin (LEV) in environmental water was proposed based on graphitic carbon nitride nanosheet-doped graphene oxide (CNNS/GO).

Enhanced removal of metal ions in a hybrid capacitive deionization system has been originally developed via the adsorption–intercalation–conversion mechanisms.

This work evaluates single- and multi-sorbate systems, focusing on competitive and/or cooperative effects, exploring monodisperse, metal oxide (MnFe₂O₄, Fe₃O₄, or Mn_xO_y) nanocrystals with CTAB (net positive) or OP (net negative) coating(s).

3D flower-like δ-MnO₂@TpPa-1 composites was constructed though the integration of δ-MnO₂ nano-flowers with a covalent organic framework (TpPa-1) via ultrasonication process. δ-MnO₂@TpPa-1 a promising adsorbent for spent-nuclear-fuel reprocessing.

Nitrogen-doped core–shell-structured mesopore-dominant hierarchical porous carbon nanospheres are proven to be a promising material for high-performance capacitive deionization.

Reduced rubidium tungstate nanorods were employed to activate peroxydisulfate under alkaline conditions for bisphenol A degradation.

Schematic of adsorption/desorption for U(VI) on SβCDM, the grafting of SβCD and adsorption mechanism.

This research reports the fabrication of nanocomposite cation exchange membranes by incorporating negatively charged graphene-based nanomaterials into a non-charged poly(vinylidene fluoride) matrix using a mold-casting technique developed in-house.

The Z-type heterojunction CuS/Bi₇O₉I₃ composite catalyst prepared at low temperature has high-efficiency antibiotic photocatalytic degradation, photothermal synergy and antibacterial properties.

Leaf vein-inspired membranes with nanonetwork structures were constructed for high-flux water purification under ultralow driving pressures.

A pressure-induced displacement mechanism in hydrophobic and hydrophilic capillaries.

Atmospheric water capture (AWC) is an alternative method of localized water production whereby water vapor is removed from air to produce drinking water.

Silver sulfidation in nanosilver-coated membranes slows down silver release and increase biofouling resistance without affecting the membrane's functionality.

Tent-shaped ultrathin GO membrane for tunable molecular sieving.

GO rapidly photocatalyzes the reduction of Cr(VI) utilizing sunlight in the presence of oxalate that acts as an electron donor and chelating agent.

Indium-modified Ga₂O₃ hierarchical nanosheet was proved to be an efficient and promising photocatalyst for the removal of perfluorooctanoic acid in aqueous environment.

Iron oxide nanoparticles were stabilized in water using the biosurfactant rhamnolipid, and the adsorption of U(VI) to these nanoparticles was measured and modeled as a function of water chemistry.

The 3D heterogeneous CTF@TiO₂/Bi₂WO₆/Au hybrid broadens the absorption over the entire visible range and improves electron–hole separation.

Locally enhanced electric field treatment (LEEFT) has been utilized as a novel and promising technology for efficient microalgae inactivation and growth control.

Recovery of nutrients, such as ammonia, from wastewater offers an attractive approach to increase the overall sustainability of waste management practices.

Durable elimination of tetracycline and its toxicity by a tribo-positive Fe@MoS₂ piezocatalyst via ball-milling activation.

This work presents the first performance evaluation of ovoid CWFs designed by Potters without Borders. Performance analysis and characterization data are presented here to inform manufacturing decisions and research methods.

The present work elucidates that the photocatalytic activity of nanocage-like MIL-125-NH₂ is enhanced by adsorption of an electron-withdrawing pollutant (p-nitrophenol) but suppressed by adsorption of an electron-donating pollutant (p-methylphenol).

An electrospun nanofibrous adsorbent with micro-, meso- and macropores and surface area of 565 m² g⁻¹ was developed for the rapid removal of crude oil from seawater.

In this work, the carbon nanotubes (CNTs) encapsulating Zn and Fe bimetallic nanoparticles (FeZn@NC) were synthesized through a one-pot pyrolytic strategy.

FAPTO exhibits a low pH_zpc value along with abundant amino and hydroxyl bifunctional groups for efficient heavy metal removal from sewage.

The efficient removal of endocrine-disrupting pollutants (EDCs) from water is a crucial issue for improving the quality of drinking water.

Multifunctional CNC/Ag thin film nanocomposite nanofiltration membranes with high flux, high rejection, and excellent antifouling and antibacterial performance.

A 3D net-like structured fluorescent aerogel as a highly effective adsorbent and sensitive optical sensor of Cr(VI) was fabricated.

A direct Z-scheme ZnS/Co₉S₈ heterojunction-based photoelectrochemical sensor for analyzing organophosphorus chlorpyrifos.

Enhanced capacitive deionization of saline water has been demonstrated by using N-doped rod-like porous carbon derived from dual-ligand metal–organic frameworks.

An environmental-friendly polyethyleneimine functionalized chitosan–lignin composite sponge with interconnected nanowall-network structures is feasibly fabricated for rapidly and selectively removing Hg(II) ions from aqueous solution.

Carbon-based materials have been used in water engineering to provide more effective and efficient methods to deliver clean water.

Designing vertically-aligned CuAl-layered double oxide grown on reduced graphene oxide for capacitive desalination with high capacity and long cycling life.

Capacitive deionization (CDI) is an alternative water purification technology.

Antibacterial reduced graphene oxide – ZnO nanocomposite was synthesized by a one-step sonication method. The antibiofouling surface property of a nanocomposite incorporated polymeric membrane was high with minimum Zn²⁺ leaching.

Fe^III–TCPPCl-incorporated UiO-66 MOF could reliably achieve both photocatalysis and a Fenton-like reaction under visible light, with effective degradation against organic pollutants.

Two layered NaMnO₂ nanomaterials with expanded interlayer spacing were evaluated as HCDI redox-active intercalation electrodes and showed high CDI performance.

Hydrogen peroxide (H₂O₂) and superoxide radical (O₂˙⁻) play a critical role in environmental remediation technologies.

Plasma post-treatment is a facile method to tune performances of functionalized reduced graphene oxide membranes for nanofiltration.

A fluorescence method was employed to monitor the real-time dissolution kinetics of zinc oxide nanoparticles.

The synergistic catalysis effect of N vacancies and ∼5 nm Au nanoparticles greatly enhances the electrochemical sensitivity to Pb(II).

Exposed crystal facets of TiO₂ nanomaterials significantly affect the surface defect formation of the materials during thermal treatment.

Bimetallic Fe/Mn nanoparticles and N-doped carbon nanotubes in FeMn@NCNT synergistically activate peroxymonosulfate to form SO₄˙⁻, ˙OH, O₂˙⁻ and ¹O₂ for decomposing acetamiprid.

Solar power-based synchronous photothermal evaporation and photodegradation show significant promise on water treatment.

The mycelial pellet-derived hierarchical porous carbon nanosheets were fabricated facilely and showed high electrosorption capacity of 18.71 mg g⁻¹ for capacitive deionization.

The discharge of large amounts of oily wastewater causes serious environmental pollution and is a threat to human health.

An expanding textile industry has exacerbated the problem of dealing with effluent that contains dye molecules.

The reduction of Cr(VI) and oxidation of As(III) were markedly accelerated by employing iron oxide encapsulated in hydrothermal carbon sphere under simulated solar light irradiation.

Adsorption of Sb on the surface of TiO₂ NMs, and optimized TiO₂ {101} plane slab models for Sb(III) and Sb(V) absorption.

Graphene oxide membranes with tunable water channels and stability for ion rejections were fabricated by the blade casting technique and cation intercalation.

Kilograms of gold were recovered from wastewater using nanoscale zero-valent iron in a smelting plant since 2012.

Enhanced pollutant removal by FeOOH/RGO hydrogels relying on π–π and π–Fe interactions.