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.
Degradation of organic contaminants by peroxymonosulfate activated with zeolitic imidazolate framework-based catalysts: performances, mechanisms and stability
ZIF-based catalysts have great potential for PMS activation in environmental treatment. State of the art and prospects in recent breakthroughs are presented in this review.
Carbon nanomaterial-based membranes for water and wastewater treatment under electrochemical assistance
Carbon nanomaterial-based membranes exhibit fascinating permselectivity for water and wastewater treatment, and their performance could be further improved under electrochemical assistance, benefiting from their good electrical conductivity.
Advances and challenges of broadband solar absorbers for efficient solar steam generation
This review provides guidance for solar absorber design, selection, and optimization, and evaporation system engineering for efficient solar-driven evaporation.
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.
Structural design, biomimetic synthesis, and environmental sustainability of graphene-supported g-C3N4/TiO2 hetero-aerogels
Graphene-supported C3N4/TiO2 hetero-aerogels with high photocatalytic properties and sustainability are designed and synthesized.
Efficient degradation of organic contaminants via a novel iron-based poly(ionic liquid)/polydopamine composite as the heterogeneous Fenton catalyst
Iron-based poly(ionic liquid)/polydopamine composite shows excellent degradation performance for organic pollutants, providing a promising route for the design of efficient and stable heterogeneous Fenton catalysts.
An innovative S-scheme PhC2Cu/Ag/Ag2MoO4 photocatalyst for efficient degradation of sulfamethazine antibiotics: heterojunctions and innergenerated-H2O2 promote radical production
Schematic diagram of the photocatalytic reduction mechanism for the PAM40 system.
Leaf vein-biomimetic nanofibrous membrane with self-assembled nanonet for surface filtration of water contaminants
A leaf vein-biomimetic nanofibrous membrane was constructed by nonsolvent-induced phase inversion for high-performance surface filtration of water contaminants.
In situ growth of metal–organic frameworks in nanochannels for highly sensitive microcystin-LR detection
Harmful algal blooms lead to cyanobacteria toxins increase in natural water. A novel nanochannel-based sensing system utilizing metal–organic frameworks and DNA aptamers was developed for highly sensitive detecting microcystin-LR in real water.
Increasing reductive Fe(II)/Co(II) sites on P-doped FeCo2O4−x nanosheets to accelerate the valence cycle for the electroanalysis of As(III)
Superior catalytic activity toward As(III) for P FeCo2O4−x/GCE with increasing reductive Fe(II)/Co(II) sites.
Composite modification of carbon fiber cathode with tree-like branched polypyrrole-microwires and polyaniline-nanorods for enhancing hexavalent chromium reduction
Cr(VI) reduction to Cr(III) with electrochemical technique has been regarded as an effective method for the treatment of toxic Cr(VI) contaminated wastewater.
A multi-ratiometric fluorescence sensor integrated intrinsic signal amplification strategy for a sensitive and visual assay of the anthrax biomarker based on a bimetallic lanthanide metal–organic framework
A multi-ratiometric fluorescence sensor was designed for the sensing of the anthrax biomarker based on a bimetallic lanthanide metal–organic framework.
Boosting the growth and aggregation of sulfide nanoparticles via regulating heterogeneous nucleation for enhanced sedimentation
Promoting the growth of sulfide particles by regulating heterogeneous nucleation and aggregation to facilitate their sedimentation and separation.
Significant improvement and mechanism of tetracycline degradation with the synergistic piezoelectric effect of ZnO/CuS Z-scheme heterojunction photocatalysts
In the current work, a CuS nanoflower-modified ZnO nanorod heterojunction was synthesized by a two-step hydrothermal method.
Synchronous removal of antibiotics in sewage effluents by surface-anchored photocatalytic nanofiltration membrane in a continuous dynamic process
The feasibility of a novel surface-anchored bifunctional photocatalytic nanofiltration membrane for simultaneously degrading and separating target antibiotics in sewage effluent in a continuous flow-through process was verified.
Efficient molecular oxygen utilization of micelle-based BiOCl for enhanced in situ H2O2 production induced photocatalytic removal of antibiotics
The mechanism of antibiotic photodegradation on SA-BiOCl.
Unveiling the dual roles of the intercalation of [MoS4]2− clusters in boosting heavy metal capture by Ca–Al layered double hydroxide
The study reports a concept for fabrication of [MoS4]2− clusters intercalated into CaAl-LDH for heavy metal removal, which involves Pb–S bonding for Pb(II) and lattice substitution for Cd(II).
A cationic porous polymer as a robust and recyclable adsorbent for the removal of harmful dyes from aqueous contaminants
A new cationic porous organic polymer (VBT-POP) has been synthesized and it showed excellent selective and quantitative adsorptive removal of anionic dyes RB (1252 mg g−1) and XO (735 mg g−1).
Simultaneous removal of Cr(VI) and TC over BiO1−XBr/CeVO4 S-scheme heterostructures: oxygen vacancy boosted charge separation and analysis of intermediates
BiO1−XBr/CeVO4 S-scheme heterostructures with rich oxygen vacancies boosted the simultaneous removal of Cr(VI) and tetracycline.
Fe3O4-4,4′-biphenyldicarboxaldehyde superparamagnetic-nanomaterial for the high-efficiency removal of 9-phenanthrol: experimental combined with DFT investigations
The fabricated nano-sized magnetic material exhibited an excellent removal performance towards 9-phenanthrene, and its underlying binding mechanism is proposed.
Efficient preadsorption–degradation of PFOA in water by a NaClO-assisted electrocoagulation technique using an Fe/Ni foam electrode
A novel strategy of “preadsorption–degradation” for efficient PFOA removal based on the EC-NaClO system with an Fe/Ni foam electrode has been successfully achieved.
Development of a cost-effective and sustainable nanoplatform based on a green gold sononanoparticles/carbon black nanocomposite for high-performance simultaneous determination of nanoplastics
Electrochemical sensor with green gold sononanoparticles (from Malva sylvestris leaf extract) and carbon black onto a Sonogel-Carbon electrode to determine simultaneously hydroquinone, catechol and resorcinol in various water samples.
Yolk–shell-type gold nanosphere-encapsulated mesoporous silica for catalytic oxidation of organic pollutants in the presence of persulfate
Gold nanosphere-encapsulated mesoporous silica exhibits excellent performance in phenol degradation by providing high surface area, blocking external interfering materials, and preventing leakage of gold nanospheres.
Deep learning assisted detection of toxic heavy metal ions based on visual fluorescence responses from a carbon nanoparticle array
A carbon nanoparticle-based visual fluorescent array sensing–artificial intelligence (deep learning) integrated platform for remote detection of toxic heavy metal ions.
An upcycled wood sponge adsorbent for drinking water purification by solar steam generation
A 3D-MoS2 based wood sponge absorbent was upcycled to construct a solar steam generator for drinking water purification.
Efficient activation of peroxymonosulfate by C3N5 doped with cobalt for organic contaminant degradation
The activation of peroxymonosulfate by metal-doped C–N-based materials has been used extensively for pollutant degradation but usually suffers from low efficiency and stability due to the relatively few N coordination sites.
Rational design of covalent organic frameworks for efficient photocatalytic hydrogen peroxide production
Rational design of covalent organic frameworks has been performed for efficient photocatalytic H2O2 production without using any sacrificial agent.
Real-time monitoring of magnetic nanoparticle-assisted nanoplastic agglomeration and separation from water
Superparamagnetic iron oxide nanoparticles are used as remediation agents against nanoplastic pollutants. Magnetic particle spectroscopy is utilized as an advanced characterization method and limits of the approach are highlighted.
Systematic investigation of the adsorption potential of lignin- and cellulose-based nanomaterials towards pharmaceuticals
Understanding the interaction of wood-based nanomaterials with different pharmaceuticals is basic for future engineering of nanostructured wood-based adsorbents for pharmaceutical pollutants.
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.
About this collection
This web collection features research articles published in Environmental Science: Nano focussed on nanomaterial applications in water.