Themed collection Nanomaterial applications in water
Platform selection of engineered nanomaterials for water decontamination applications
Strategic pairing of engineered nanomaterials to platforms will advance safe and effective deployment of nano-enabled water decontamination.
Opportunities for nanotechnology to enhance electrochemical treatment of pollutants in potable water and industrial wastewater – a perspective
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.
Porous materials confining noble metals for the catalytic reduction of nitroaromatics: controllable synthesis and enhanced mechanism
In the field of nanocatalysis, noble metal nanoparticles (NPs) have aroused tremendous attention owing to their superb catalytic efficiency, especially in the catalytic reduction of nitroaromatics.
Advances in nanofluidics for water purification and filtration: molecular dynamics (MD) perspective
Worldwide industrialization and population growth have caused dramatic environmental pollution that has led to a water crisis.
Porous graphitic carbon nitride nanomaterials for water treatment
This review summarizes the application of porous g-C3N4 in water treatment and modification to enhance its catalytic performance, showing the potential of porous g-C3N4 for the actual treatment of water bodies.
Recent advances in the design of colorimetric sensors for environmental monitoring
Colorimetric sensors fabricated via nanomaterials and nanotechnology exhibited promising applications in environmental science.
An MXene-based membrane for molecular separation
Two-dimensional (2D) materials with a nanoscale thickness are promising candidates for advanced molecular separations.
Nanomaterials for radioactive wastewater decontamination
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.
Recent advances in electrocatalysts for halogenated organic pollutant degradation
Advanced electrocatalysts for halogenated organic pollutant degradation.
Detection of engineered nanoparticles in aquatic environments: current status and challenges in enrichment, separation, and analysis
The development of enrichment–separation–analysis technologies is the cornerstone of accurately detecting, effectively monitoring, and controlling ENPs in aquatic environments.
Chemical vapor crosslinking of graphene oxide membranes for controlling nanochannels
The solvent-free chemical vapor crosslinking can directly fix the interlayer spacing of GO membranes for better water treatment.
A dual-emission ratiometric fluorescence probe for highly selective and simultaneous detection of tetracycline and ferric ions in environmental water samples based on a boron-doped carbon quantum dot/CdTe–Eu3+ composite
A dual-emission ratiometric fluorescence probe for the simultaneous detection of tetracycline (TC) and Fe3+ in aqueous solution was fabricated based on a boron-doped carbon quantum dot (B-CQD)/CdTe–Eu3+ composite.
Preparation of magnetic covalent triazine frameworks by ball milling for efficient removal of PFOS and PFOA substitutes from water
Recyclable magnetic COFs/Fe3O4 synthesized using ball-milling showed fast and high adsorption for two PFOS and PFOA substitutes in water.
Ultrathin Bi4O5Br2 nanosheets with surface oxygen vacancies and strong interaction with Bi2O2CO3 for highly efficient removal of water contaminants
Ultrathin Bi4O5Br2 nanosheets with surface oxygen vacancies and strong interfacial interaction with Bi2O2CO3 for highly efficient removal of water contaminants.
Magnetic conjugated microporous polymer hollow spheres decorated with Fe3O4 nanoparticles for selective absorption and sterilization
Novel magnetic conjugated microporous polymer hollow spheres (CMP-HSs@Fe3O4) with high specific surface areas were synthesized for the absorption of antibiotics and the sterilization of microbes in wastewater, and possessed superior sterilization performance.
Effective and simple removal of Hg from real waters by a robust bio-nanocomposite
The purpose of this study is to immobilize GOPEI on a spongin skeleton coated with an alginate coating layer in order to generate a cohesive composite that is very efficient in removing Hg and can be easily recovered from remediated water.
Ultrasensitive and multiplex SERS determination of anthropogenic phenols in oil fuel and environmental samples
SERS with molecular immobilization and resonant Raman amplification by complex-loaded enhancer (MIRRACLE) enables detection of hazardous phenolic pollutants down to nM concentrations in gasoline fuel and freshwater samples.
A new compound Mn5P4O20H8 achieving efficient heavy metal removal to the ppb level through a dual chemisorption–ion exchange pathway
As-synthesized new compound Mn5P4O20H8 show effective removal of heavy metal ions down to the mark of tolerance concentration (parts per billion level) from drinking water with synergistic pathway of surface hydroxyl group trapping and lattice ion-exchange.
Improved anaerobic degradation of purified terephthalic acid wastewater by adding nanoparticles or co-substrates to facilitate the electron transfer process
Improving the biodegradation efficiency of terephthalic acid (TA) wastewater processes is highly challenging, particularly in large-scale up-flow anaerobic sludge blanket (UASB) reactors.
Confined ultrasmall MOF nanoparticles anchored on a 3D-graphene network as efficient and broad pH-adaptive photo Fenton-like catalysts
Confined ultrasmall metal–organic frameworks (MOFs) for efficient persulfate-based Fenton-like processes.
Caterpillar-like Ag–ZnO–C hollow nanocomposites for efficient solar photocatalytic degradation and disinfection
The ameliorated solar photocatalytic performance is a combined result of Ag-NPs and caterpillar-like Zn–C hierarchical nanoarchitectures derived from MOF micro- and nanorods.
Emerging investigator series: Molybdenum disulfide-enabled activated carbon - a multifunctional adsorbent for practical water treatment applications
This study addresses barriers to large-scale application of molybdenum disulfide (MoS2) in water treatment schemes through its affixation onto granular activated carbon (AC) as an active adsorbing platform.
Reusable piezocatalytic water disinfection activity of CVD-grown few-layer WS2 on sapphire substrate
Chemical vapor deposition method was utilized to grow multilayer 2D-WS2. The as grown semiconductor 2D-WS2 shows excellent piezo-catalytic water purification ability.
Porous organic nanofiber polymers as superfast adsorbents for capturing pharmaceutical contaminants from water
A novel porous organic nanofiber (PONF) was synthesized for effective removal of pharmaceutical pollutants from water with superfast adsorption kinetics.
Nanowell-enhanced Raman spectroscopy enables the visualization and quantification of nanoplastics in the environment
We fabricated a novel nanowell enhanced Raman spectroscopy substrate that can capture and detect nanoplastics with the aid of the coffee ring effect. Single polystyrene nanoplastics down to 200 nm can be directly visualized.
Simultaneous removal of arsenite and cadmium by a manganese-crosslinking sodium alginate modified biochar and zerovalent iron composite from aqueous solutions
A novel manganese-crosslinking sodium alginate modified biochar and zerovalent iron composite (Mn/SA-BC@nZVI) was prepared for the simultaneous removal of arsenite (As(III)) and cadmium (Cd(II)) from contaminated water.
Plasmonic Bi NP-accelerated interfacial charge transfer for enhanced solar-driven ciprofloxacin mineralization
Photocatalytic degradation process of TC by BMO/Bi/BOB-x.
Insights into the binding manners of an Fe doped MOF-808 in high-performance adsorption: a case of antimony adsorption
Fe doping results in the change of SBU and corresponding binding modes of MOF-808.
Interconnected N-doped MXene spherical shells for highly efficient capacitive deionization
Three-dimensional interconnected N-doped Ti3C2Tx hollow spherical shells with abundant accessible space exhibit excellent capacitive deionization performance in asymmetric electrode systems.
Micromotor-assisted fluorescence detection of Hg2+ with bio-inspired AO–Mn2O3/γ-AlO(OH)
Highly sensitive Hg2+ detection was achieved via the combination of fluorescence quenching induced by charge transfer between AO and Hg2+ and the accelerated mass transfer between the AO–Mn2O3/γ-AlO(OH) micromotor and target Hg2+ ions.
Constructing Cu2O/Bi2MoO6 p–n heterojunction towards boosted photo-assisted-electro-Fenton-like synergy degradation of ciprofloxacin
Herein, a photo-assisted-electro-Fenton-like (PAEF-like) system using p–n type Cu2O/Bi2MoO6 (CBM) as photoelectric catalyst was designed for efficient ciprofloxacin removal.
In situ decoration of La(OH)3 on polyethyleneimine-linked dendritic mesoporous silica nanospheres targeting at efficient and simultaneous removal of phosphate and Congo red
La(OH)3 and polyethyleneimine functionalized 3D dendritic mesoporous silica spheres as novel porous adsorbents efficiently removed phosphate and Congo red. In P/CR binary solution, the formed LaPO4 promoted the simultaneous adsorptive removal of CR.
Dual performing copper–platinum core–shell nanozyme for environmental electrochemistry–electrocatalytic oxidation and electroanalysis of ammonia
Copper–platinum core–shell nanostructures are prepared on pencil graphite substrate for electrochemical oxidation and electroanalysis of ammonia.
Silk nanofibers-ZIF hybrid membrane with improved treatment efficiency and highly enhanced water permeability for excellent removal of multiple pollutants from water
We developed a new and sustainable SNFs-ZIF hybrid membrane with improved treatment efficiency and enhanced water permeability for excellent removal of multiple pollutants including heavy metals, dyes and NO3−.
Synergetic effect of physicochemical and electrostatic strategies on ion sieving for polymer cross-linked graphene oxide membranes
Graphene oxide membranes with polymer-crosslinked structures are designed to simultaneously modify the physicochemical and electrostatic properties of nanochannels for molecular separation.
Electrospray interfacial polymerization for a loose NF membrane: super-selective dye separation in saline dye wastewater treatment
A loose nanofiltration membrane fabricated by electrospray interfacial polymerization which contained a tiny amount of sulfonated graphene oxide nanoparticles showed excellent water permeance and salt/dye separation.
Tuning the effective utilization of adsorption sites in La-MOFs via a steric hindrance effect towards enhanced As(III) removal
The most accessible adsorption sites were well designed and constructed on La-o-PTA frameworks for improving the As(III) removal performance via using the strongest interaction force between La-o-PTAs and As(III).
Highly efficient capacitive deionization of brackish water with manganese vanadate nanorod decorated reduced graphene oxide electrode
Capacitive deionization (CDI) utilizing metal oxide-decorated carbon-based materials has emerged as a promising process to convert saline water into freshwater due to its lower energy demand and robustness.
Development of robust and superamphiphobic membranes using reduced graphene oxide (rGO)/PVDF-HFP nanocomposite mats for membrane distillation
One-step tailoring of robust superamphiphobicity on nanocomposite mats with superior antifouling and anti-wetting properties for membrane distillation.
Catalytic gold nanostars for SERS-based detection of mercury ions (Hg2+) with inverse sensitivity
Gold nanostars (AuNSt) amalgamated with mercury ions (Hg2+) results in reduced SERS performance whilst their enzyme-mimicking capability is not deteriorated, thus providing a basis for Hg2+ detection with inverse sensitivity.
Sulfur-containing nitrogen-rich robust hierarchically porous organic polymer for adsorptive removal of mercury: experimental and theoretical insights
A new N, S containing porous polymer is reported, which showed excellent Hg2+ (3106 mg g−1) CH3Hg+ (691 mg g−1) uptakes.
A bio-based metal–organic aerogel (MOA) adsorbent for capturing tetracycline from aqueous solution
In this work, we synthesized a novel bio-based Fe-centered metal–organic aerogel and provided valuable guidance for solving practical TC-related pollution issues.
Promoted peroxymonosulfate activation by electron transport channel construction for rapid Cu(II)/Cu(I) redox couple circulation
We report the successful electron transport channel construction of C–O–Cu linkage towards the facilitated Cu(II)/Cu(I) REDOX couple circulation for PMS activation to achieve excellent BPA degradation.
One-step fabrication of bimetallic CuCoOS as an efficient catalyst for Cr(VI) reduction
A one-step synthesis method of bimetallic CuCoOS is reported, and the morphology and structure of the catalyst are designed by changing the molar ratio of Cu and Co. The CuCoOS can effectively treat Cr(VI) in wastewater in a dark environment.
Natural organic matter adsorption conditions influence photocatalytic reaction pathways of phosphate-treated titanium dioxide nanoparticles
This research identifies mechanisms by which residual natural organic matter coatings can promote or hinder the reactivity of phosphate-treated titanium dioxide nanoparticles.
Enhanced degradation of norfloxacin by Ce-mediated Fe-MIL-101: catalytic mechanism, degradation pathways, and potential applications in wastewater treatment
The hetero-coordinated Fe–O–Ce moieties with asymmetrical electronic distribution in Fe/Ce-MIL-101 have a high adsorption capacity and strong activation capacity for H2O2, resulting in a high removal capacity for organic pollutants.
3D-ordered honeycomb-like nitrogen-doped micro–mesoporous carbon for brackish water desalination using capacitive deionization
3D ordered honeycomb-like structured carbon was synthesized via a novel method and applied in CDI for the first time.
Promoting the uptake of chloride ions by ZnCo–Cl layered double hydroxide electrodes for enhanced capacitive deionization
The ZnCo–Cl layered double hydroxide (LDH) has been developed for high-performance HCDI anodes by promoting the chloride ions uptake.
Multilevel/hierarchical nanocomposite-imprinted regenerated cellulose membranes for high-efficiency separation: a selective recognition method with Au/PDA-loaded surface
Au/PDA-based multilevel nanocomposite imprinted membranes with high rebinding capacity and permselectivity performance were first proposed and developed for the selective recognition and separation of propranolol.
A strategy of electrochemical simultaneous detection of acetaminophen and levofloxacin in water based on g-C3N4 nanosheet-doped graphene oxide
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).
Beneficial synergy of adsorption–intercalation–conversion mechanisms in Nb2O5@nitrogen-doped carbon frameworks for promoted removal of metal ions via hybrid capacitive deionization
Enhanced removal of metal ions in a hybrid capacitive deionization system has been originally developed via the adsorption–intercalation–conversion mechanisms.
Surface functionalized nanoscale metal oxides for arsenic(V), chromium(VI), and uranium(VI) sorption: considering single- and multi-sorbate dynamics
This work evaluates single- and multi-sorbate systems, focusing on competitive and/or cooperative effects, exploring monodisperse, metal oxide (MnFe2O4, Fe3O4, or MnxOy) nanocrystals with CTAB (net positive) or OP (net negative) coating(s).
The fabrication of 3D hierarchical flower-like δ-MnO2@COF nanocomposites for the efficient and ultra-fast removal of UO22+ ions from aqueous solution
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.
The design of nitrogen-doped core–shell-structured mesopore-dominant hierarchical porous carbon nanospheres for high-performance capacitive deionization
Nitrogen-doped core–shell-structured mesopore-dominant hierarchical porous carbon nanospheres are proven to be a promising material for high-performance capacitive deionization.
Accelerated alkaline activation of peroxydisulfate by reduced rubidium tungstate nanorods for enhanced degradation of bisphenol A
Reduced rubidium tungstate nanorods were employed to activate peroxydisulfate under alkaline conditions for bisphenol A degradation.
Bioinspired succinyl-β-cyclodextrin membranes for enhanced uranium extraction and reclamation
Schematic of adsorption/desorption for U(VI) on SβCDM, the grafting of SβCD and adsorption mechanism.
Graphene-PSS/L-DOPA nanocomposite cation exchange membranes for electrodialysis desalination
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.
A novel flower-like Z-type heterojunction CuS/Bi7O9I3 composite catalyst prepared under mild conditions for degradation of antibiotics and sterilization under visible light
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 microfiltration membrane based on ultrathin nanonetworks
Leaf vein-inspired membranes with nanonetwork structures were constructed for high-flux water purification under ultralow driving pressures.
Insight into the pressure-induced displacement mechanism for selecting efficient nanofluids in various capillaries
A pressure-induced displacement mechanism in hydrophobic and hydrophilic capillaries.
Sunlight-driven atmospheric water capture capacity is enhanced by nano-enabled photothermal desiccants
Atmospheric water capture (AWC) is an alternative method of localized water production whereby water vapor is removed from air to produce drinking water.
Prolonging the antibacterial activity of nanosilver-coated membranes through partial sulfidation
Silver sulfidation in nanosilver-coated membranes slows down silver release and increase biofouling resistance without affecting the membrane's functionality.
Ultrathin graphene oxide membrane with constructed tent-shaped structures for efficient and tunable molecular sieving
Tent-shaped ultrathin GO membrane for tunable molecular sieving.
Photocatalytic reduction of Cr(VI) by graphene oxide materials under sunlight or visible light: the effects of low-molecular-weight chemicals
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 nanosheets as efficient photocatalysts for the degradation of perfluorooctanoic acid
Indium-modified Ga2O3 hierarchical nanosheet was proved to be an efficient and promising photocatalyst for the removal of perfluorooctanoic acid in aqueous environment.
Modeling performance of rhamnolipid-coated engineered magnetite nanoparticles for U(VI) sorption and separation
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.
3D heterogeneous CTF@TiO2/Bi2WO6/Au hybrid supported by hollow carbon tubes and its efficient photocatalytic performance in the UV-vis range
The 3D heterogeneous CTF@TiO2/Bi2WO6/Au hybrid broadens the absorption over the entire visible range and improves electron–hole separation.
Efficient microalgae inactivation and growth control by locally enhanced electric field treatment (LEEFT)
Locally enhanced electric field treatment (LEEFT) has been utilized as a novel and promising technology for efficient microalgae inactivation and growth control.
Efficient ammonia recovery from wastewater using electrically conducting gas stripping membranes
Recovery of nutrients, such as ammonia, from wastewater offers an attractive approach to increase the overall sustainability of waste management practices.
A tribo-positive Fe@MoS2 piezocatalyst for the durable degradation of tetracycline: degradation mechanism and toxicity assessment
Durable elimination of tetracycline and its toxicity by a tribo-positive Fe@MoS2 piezocatalyst via ball-milling activation.
About this collection
This web collection features research articles published in Environmental Science: Nano focussed on nanomaterial applications in water.