Themed collection Environmental Remediation

65 items
Perspective

Pollutants transformation by metal nanoparticles in confined nanospaces

Emerging environmental applications of confined-MNP nanomaterials and the chemistry of the confinement effects.

Graphical abstract: Pollutants transformation by metal nanoparticles in confined nanospaces
From the themed collection: Environmental Remediation
Perspective

In situ remediation of subsurface contamination: opportunities and challenges for nanotechnology and advanced materials

Engineered nanomaterials alone or in combination with other technologies may improve in situ subsurface remediation of legacy and emerging contaminants.

Graphical abstract: In situ remediation of subsurface contamination: opportunities and challenges for nanotechnology and advanced materials
From the themed collection: Environmental Remediation
Critical Review

Graphdiyne: an emerging two-dimensional (2D) carbon material for environmental remediation

This review highlights recent and important advances related to the structure properties and application of graphdiyne (GDY)-based nanocomposites for environmental remediation.

Graphical abstract: Graphdiyne: an emerging two-dimensional (2D) carbon material for environmental remediation
Critical Review

A review on graphene quantum dots and their nanocomposites: from laboratory synthesis towards agricultural and environmental applications

This review highlights recent and important advances related to the synthesis, characterization and application of graphene quantum dot (GQD)-based nanocomposites for the agriculture and environmental sectors.

Graphical abstract: A review on graphene quantum dots and their nanocomposites: from laboratory synthesis towards agricultural and environmental applications
Critical Review

Layered structure-based materials: challenges and opportunities for radionuclide sequestration

This review highlights recent achievements and perspectives of emerging two-dimensional nanomaterials for the elimination of radionuclides in environmental applications.

Graphical abstract: Layered structure-based materials: challenges and opportunities for radionuclide sequestration
Communication

Nano-dry-salt deposition on electret nonwoven confers anticoronaviral effect while retaining aerosol filtration performance

Direct deposition of nano-dry-salt on nonwovens was developed as a process that can be incorporated into conventional nonwoven production for timely application of biosafe anticoronaviral surfaces and reliable aerosol filtration performance.

Graphical abstract: Nano-dry-salt deposition on electret nonwoven confers anticoronaviral effect while retaining aerosol filtration performance
Paper

Fluorescent wood sponge toward selective detection and efficient removal of Cr(VI)

A novel fluorescent wood sponge was constructed combining hierarchical porous wood sponge and carbon dots via chemical bonding, which could simultaneously detect and remove hexavalent Cr(VI) in an aqueous medium.

Graphical abstract: Fluorescent wood sponge toward selective detection and efficient removal of Cr(vi)
From the themed collection: Environmental Remediation
Paper

Enhanced photocatalytic activity and easy recovery of visible light active MoSe2/BiVO4 heterojunction immobilized on Luffa cylindrica – experimental and DFT study

Fabrication of 0.15MoSe2@BiVO4 by hydrothermal method and its immobilization on Luffa cylindrica. Morphology of 0.15MoSe2@BiVO4–Luffa revealed by SEM image.

Graphical abstract: Enhanced photocatalytic activity and easy recovery of visible light active MoSe2/BiVO4 heterojunction immobilized on Luffa cylindrica – experimental and DFT study
From the themed collection: Environmental Remediation
Paper

Arsenic species delay structural ordering during green rust sulfate crystallization from ferrihydrite

Arsenic slows the structural ordering and transformation of As-bearing green rust formed from ferrihydrite under anoxic and circum-neutral pH conditions.

Graphical abstract: Arsenic species delay structural ordering during green rust sulfate crystallization from ferrihydrite
From the themed collection: Environmental Remediation
Paper

Highly fluorescent 2D-BCNO sheets based chemical sensor for selective detection of the explosive Dunnite and 4-nitrophenol in aqueous medium

Highly fluorescent 2D-BCNO (boron carbon oxynitride) sheets were synthesized via a new facile and simple approach for selective and sensitive detection of nitro-aromatic compounds, namely 4-nitrophenol and Dunnite, in aqueous medium.

Graphical abstract: Highly fluorescent 2D-BCNO sheets based chemical sensor for selective detection of the explosive Dunnite and 4-nitrophenol in aqueous medium
From the themed collection: Environmental Remediation
Paper

Bimetallic FexMny catalysts derived from metal organic frameworks for efficient photocatalytic removal of quinolones without oxidant

Bimetallic magnetic FeMn catalysts have been successfully prepared by a facile impregnation method, and they exhibit efficient photocatalytic removal of a series of quinolones without oxidant under simulated light irradiation.

Graphical abstract: Bimetallic FexMny catalysts derived from metal organic frameworks for efficient photocatalytic removal of quinolones without oxidant
From the themed collection: Environmental Remediation
Paper

Inorganic nanotubes with permanent wall polarization as dual photo-reactors for wastewater treatment with simultaneous fuel production

Janus methyl imogolite nanotube (Imo-CH3) with a hydrophobic internal cavity and a hydrophilic external surface, and possessing a permanently polarized thin wall, has been shown to act as a dual photo-reactor for wastewater treatment with simultaneous fuel production.

Graphical abstract: Inorganic nanotubes with permanent wall polarization as dual photo-reactors for wastewater treatment with simultaneous fuel production
From the themed collection: Environmental Remediation
Paper

Properties and reactivity of sulfidized nanoscale zero-valent iron prepared with different borohydride amounts

A higher NaBH4/Fe ratio was favorable for the TCE dechlorination reaction while a lower NaBH4/Fe ratio could enhance the electron selectivity.

Graphical abstract: Properties and reactivity of sulfidized nanoscale zero-valent iron prepared with different borohydride amounts
From the themed collection: Environmental Remediation
Paper

Plasma-induced construction of defect-enriched perovskite oxides for catalytic methane combustion

An innovative plasma-induced strategy was employed to one-step prepare defect-enriched porous LaMnO3 and cerium-substituted LaMnO3 perovskite oxides with excellent performance in methane combustion.

Graphical abstract: Plasma-induced construction of defect-enriched perovskite oxides for catalytic methane combustion
From the themed collection: Environmental Remediation
Paper

3D structure aerogels constructed by reduced graphene oxide and hollow TiO2 spheres for efficient visible-light-driven photoreduction of U(VI) in air-equilibrated wastewater

A novel 3D structure composite aerogel was constructed by nanostructured hollow TiO2 and RGO with excellent photocatalytic reduction activity for U(VI) and reusability, evidencing the potential practical applications in environmental remediation.

Graphical abstract: 3D structure aerogels constructed by reduced graphene oxide and hollow TiO2 spheres for efficient visible-light-driven photoreduction of U(vi) in air-equilibrated wastewater
From the themed collection: Environmental Remediation
Paper

Synergistic ternary porous CN–PPy–MMt nanocomposite for efficient photocatalytic metronidazole mineralization: performance, mechanism, and pathways

A novel reusable CN–PPy–MMt nanocomposite photocatalyst was produced via an in situ method for effective photocatalytic mineralization of a common antibiotic pollutant, metronidazole.

Graphical abstract: Synergistic ternary porous CN–PPy–MMt nanocomposite for efficient photocatalytic metronidazole mineralization: performance, mechanism, and pathways
From the themed collection: Environmental Remediation
Paper

Recovery and separation of uranium in a microbial fuel cell using a titanium dioxide nanotube array cathode

Microbial fuel cell with titanium dioxide nanotube array cathode was first demonstrated as a promising approach for uranium recovery and separation from groundwater.

Graphical abstract: Recovery and separation of uranium in a microbial fuel cell using a titanium dioxide nanotube array cathode
From the themed collection: Environmental Remediation
Paper

High degradation efficiency of sulfamethazine with the dual-reaction-center Fe–Mn–SiO2 Fenton-like nanocatalyst in a wide pH range

The development of a heterogeneous Fenton-like catalyst, possessing a high degradation efficiency in a wide pH range, is crucial for wastewater treatment.

Graphical abstract: High degradation efficiency of sulfamethazine with the dual-reaction-center Fe–Mn–SiO2 Fenton-like nanocatalyst in a wide pH range
From the themed collection: Environmental Remediation
Paper

Unconventional and facile production of a stimuli-responsive multifunctional system for simultaneous drug delivery and environmental remediation

Unconventional multifunctional nanocomposite fiber membranes were primed using Forcespinning® followed by the heat pressure method. The obtained membranes displayed simultaneously controlled drug release and removal of Pb2+ and Cd2+ from wastewater.

Graphical abstract: Unconventional and facile production of a stimuli-responsive multifunctional system for simultaneous drug delivery and environmental remediation
From the themed collection: Environmental Remediation
Paper

Oxygen vacancy-dependent photocatalytic activity of well-defined Bi2Sn2O7−x hollow nanocubes for NOx removal

Bi2Sn2O7−x with Sn-/Bi-adjacent oxygen vacancy were designed and applied for photocatalytic removal of rarefied NO. DFT and experiments provided a straightforward and clear understanding of the structure-performance relationship of oxygen vacancies.

Graphical abstract: Oxygen vacancy-dependent photocatalytic activity of well-defined Bi2Sn2O7−x hollow nanocubes for NOx removal
Paper

Porous g-C3N4/TiO2 foam photocatalytic filter for treating NO indoor gas

g-C3N4/TiO2 foams were explored as photocatalytic filters for treating NO indoor gas owing to the abundant adsorption and activation sites.

Graphical abstract: Porous g-C3N4/TiO2 foam photocatalytic filter for treating NO indoor gas
Paper

One-step synthesis of carbon nitride nanobelts for the enhanced photocatalytic degradation of organic pollutants through peroxydisulfate activation

Photocatalytic mechanism of sulfamethazine degradation under a CNNB/PDS/blue-LED system, in which the enhanced photocatalytic activity might be ascribed to an external dual transmission mechanism.

Graphical abstract: One-step synthesis of carbon nitride nanobelts for the enhanced photocatalytic degradation of organic pollutants through peroxydisulfate activation
From the themed collection: Environmental Remediation
Paper

Elemental iron: reduction of pertechnetate in the presence of silica and periodicity of precipitated nano-structures

Enhanced TcO4 reduction by metallic Fe0 in the presence of particulate and structural Si. Rhythmical precipitation of dissolved iron leads to formation of layered structures related to geological phenomena such as orbicular rocks and Liesegang rings.

Graphical abstract: Elemental iron: reduction of pertechnetate in the presence of silica and periodicity of precipitated nano-structures
From the themed collection: Environmental Remediation
Paper

Femtomolar detection of thiram via SERS using silver nanocubes as an efficient substrate

Silver nanocubes are demonstrated to be an efficient substrate for the detection of the fungicide thiram, at ultra-low concentrations.

Graphical abstract: Femtomolar detection of thiram via SERS using silver nanocubes as an efficient substrate
From the themed collection: Environmental Remediation
Paper

Nanostructured manganese oxides exhibit facet-dependent oxidation capabilities

Nanostructured manganese oxides exhibit facet-dependent capabilities that can be exploited to improve their performance for sustainable agricultural application.

Graphical abstract: Nanostructured manganese oxides exhibit facet-dependent oxidation capabilities
From the themed collection: Environmental Remediation
Paper

Adsorption capacity of the corrosion products of nanoscale zerovalent iron for emerging contaminants

Surface bound Fe(II) on NZVI secondary minerals would affect the fate and mobility of quinolone antibiotics in the environment.

Graphical abstract: Adsorption capacity of the corrosion products of nanoscale zerovalent iron for emerging contaminants
Paper

Enhanced denitrification of contaminated groundwater by novel bimetallic catalysts supported on kaolin-derived zeolite: effects of natural dissolved inorganic and organic matter

Nitrate (NO3) contamination has dramatically increased owing to extensive human activities, which may cause severe problems on human health and the environment.

Graphical abstract: Enhanced denitrification of contaminated groundwater by novel bimetallic catalysts supported on kaolin-derived zeolite: effects of natural dissolved inorganic and organic matter
From the themed collection: Environmental Remediation
Paper

Removal of arsenic(III) from water by 2D zeolitic imidazolate framework-67 nanosheets

Ultrathin 2D metal–organic framework nanosheets can efficiently and rapidly capture arsenate from water.

Graphical abstract: Removal of arsenic(iii) from water by 2D zeolitic imidazolate framework-67 nanosheets
From the themed collection: Environmental Remediation
Paper

Synergistic effects of lanthanide surface adhesion and photon-upconversion for enhanced near-infrared responsive photodegradation of organic contaminants in wastewater

Upconversion nanoparticle-TiO2 catalyst with Gd3+-rich surface shows stronger binding coefficiency to the carboxyl groups, resulting in faster ring cleavage and higher mineralization efficiency of rhodamine B under NIR light irradiation.

Graphical abstract: Synergistic effects of lanthanide surface adhesion and photon-upconversion for enhanced near-infrared responsive photodegradation of organic contaminants in wastewater
From the themed collection: Environmental Remediation
Paper

Highly fast and selective removal of nitrate in groundwater by bimetallic catalysts supported by fly ash-derived zeolite Na-X

A novel and sustainable Pd–Sn bimetallic catalyst supported by fly ash-derived zeolite Na-X (Zeolite-XF) was developed for highly reactive and N2-selective reduction of nitrate in water.

Graphical abstract: Highly fast and selective removal of nitrate in groundwater by bimetallic catalysts supported by fly ash-derived zeolite Na-X
Paper

Functionalized Fe/Ni@g-C3N4 nanostructures for enhanced trichloroethylene dechlorination and successive oxygen reduction reaction activity

Mesoporous graphitic carbon nitride (g-C3N4) with open channels and high electron transport properties is in the limelight to serve as a catalyst support for environmental and energy applications.

Graphical abstract: Functionalized Fe/Ni@g-C3N4 nanostructures for enhanced trichloroethylene dechlorination and successive oxygen reduction reaction activity
From the themed collection: Environmental Remediation
Paper

3D hierarchical defect-rich C@MoS2 nanosheet arrays developed on montmorillonite with enhanced performance in Pb(II) removal

A novel C@MoS2/MMT composite was prepared with 3D hierarchical superstructures for selective Pb(II) removal, with ∼95% of Pb(II) ions adsorbed in the presence of various competing ions.

Graphical abstract: 3D hierarchical defect-rich C@MoS2 nanosheet arrays developed on montmorillonite with enhanced performance in Pb(ii) removal
From the themed collection: Environmental Remediation
Paper

Oxidation and adsorption of antimony(III) from surface water using novel Al2O3-supported Fe–Mn binary oxide nanoparticles: effectiveness, dynamic quantitative mechanisms, and life cycle analysis

Novel alumina-supported Fe–Mn binary oxide nanoparticles are green synthesized and applied for enhanced oxidation and adsorption of Sb(III) from surface water. The dynamic quantitative removal mechanisms are proposed.

Graphical abstract: Oxidation and adsorption of antimony(iii) from surface water using novel Al2O3-supported Fe–Mn binary oxide nanoparticles: effectiveness, dynamic quantitative mechanisms, and life cycle analysis
From the themed collection: Environmental Remediation
Paper

A gourd-like hollow mesoporous silica particle-supported Ag/AgBr Schottky junction for highly efficient mineralization of tetracycline hydrochloride

Gourd-like hollow mesoporous silica particles with large surface area supporting the Ag/AgBr Schottky junction for a high-efficieny TTC mineralization.

Graphical abstract: A gourd-like hollow mesoporous silica particle-supported Ag/AgBr Schottky junction for highly efficient mineralization of tetracycline hydrochloride
Paper

Ultrafine copper nanoclusters and single sites for Fenton-like reactions with high atom utilities

Fenton-like degradation of p-hydroxybenzoic acid by ultrafine copper nanoclusters and single sites exhibited high atom utilities and a wide working pH range.

Graphical abstract: Ultrafine copper nanoclusters and single sites for Fenton-like reactions with high atom utilities
Paper

Rapid characterization of arsenic adsorption on single magnetite nanoparticles by collisions at microelectrodes

A rapid and inexpensive method to analyze redox properties of magnetite nanoparticles and quantify arsenic adsorption by single particle collision electrochemistry.

Graphical abstract: Rapid characterization of arsenic adsorption on single magnetite nanoparticles by collisions at microelectrodes
Paper

Nano-sized iron oxides supported on polyester textile to remove fluoroquinolones in hospital wastewater

Nano-sized iron oxides supported on textile is successfully used for PMS activation and thus flumequine and ciprofloxacin removal in hospital wastewater under visible light.

Graphical abstract: Nano-sized iron oxides supported on polyester textile to remove fluoroquinolones in hospital wastewater
From the themed collection: Environmental Remediation
Paper

Criteria of active sites in nonradical persulfate activation process from integrated experimental and theoretical investigations: boron–nitrogen-co-doped nanocarbon-mediated peroxydisulfate activation as an example

Reliable criteria for identifying the intrinsic active sites in carbocatalysts to mediate an electron-transfer mechanism in persulfate activation are presented.

Graphical abstract: Criteria of active sites in nonradical persulfate activation process from integrated experimental and theoretical investigations: boron–nitrogen-co-doped nanocarbon-mediated peroxydisulfate activation as an example
Paper

Enhanced photocatalytic selectivity of noble metallized TiO2 nanoparticles for the reduction of selenate in water: tunable Se reduction product H2Se(g)vs. Se(s)

Herein, heterogeneous noble metallized TiO2 demonstrates improved photocatalytic performance and selectivity for the reduction of selenate in water.

Graphical abstract: Enhanced photocatalytic selectivity of noble metallized TiO2 nanoparticles for the reduction of selenate in water: tunable Se reduction product H2Se(g)vs. Se(s)
From the themed collection: Environmental Remediation
Paper

Nanoparticle affinity for natural soils: a functional assay for determining particle attachment efficiency in complex systems

Few standardized methods and reference systems have been established for evaluating the behavior of engineered nanomaterials in complex media like natural soils.

Graphical abstract: Nanoparticle affinity for natural soils: a functional assay for determining particle attachment efficiency in complex systems
Paper

Integrating an Ag0–Ag+ mediated Ag2Ta4O11/Ag8(Nb0.5Ta0.5)26O69 heterojunction to quickly decontaminate indoor gaseous formaldehyde under indoor temperature, humidity and sunlight irradiation conditions

An (Ag0–Ag+)/Ag2Ta4O11/Ag8(Nb0.5Ta0.5)26O69 S-scheme heterojunction is prepared. It can decontaminate indoor HCHO from 50 to1600 ppm under natural temperature, humidity and sunlight.

Graphical abstract: Integrating an Ag0–Ag+ mediated Ag2Ta4O11/Ag8(Nb0.5Ta0.5)26O69 heterojunction to quickly decontaminate indoor gaseous formaldehyde under indoor temperature, humidity and sunlight irradiation conditions
From the themed collection: Environmental Remediation
Paper

Effect of freeze/thaw on aggregation and transport of nano-TiO2 in saturated porous media

Research has focused on nanoparticle (NP) aggregation and transport behavior in saturated granular porous media, but few studies have looked at the effect that temperature variability associated with winter conditions will have on engineered NPs.

Graphical abstract: Effect of freeze/thaw on aggregation and transport of nano-TiO2 in saturated porous media
From the themed collection: Environmental fate of nanomaterials
Paper

Peroxymonosulfate (PMS) activation on cobalt-doped TiO2 nanotubes: degradation of organics under dark and solar light irradiation conditions

The Co-TNT/PMS system enables the continuous degradation of organic pollutants under dark and solar light-irradiation conditions.

Graphical abstract: Peroxymonosulfate (PMS) activation on cobalt-doped TiO2 nanotubes: degradation of organics under dark and solar light irradiation conditions
From the themed collection: Environmental Remediation
Paper

Formation of Fe(III)–As(V) complexes: effect on the solubility of ferric hydroxide precipitates and molecular structural identification

Soluble Fe(III)–As(V) complexes were found at both acidic and neutral conditions, which significantly change the solubility of ferric oxides.

Graphical abstract: Formation of Fe(iii)–As(v) complexes: effect on the solubility of ferric hydroxide precipitates and molecular structural identification
Paper

Selective recovery of Cr from electroplating nanosludge via crystal modification and dilute acid leaching

Amorphous nanosized particles in electroplating sludge are modified for selective extraction of heavy metals.

Graphical abstract: Selective recovery of Cr from electroplating nanosludge via crystal modification and dilute acid leaching
From the themed collection: Environmental Remediation
Paper

Pd/TiC/Ti electrode with enhanced atomic H* generation, atomic H* adsorption and 2,4-DCBA adsorption for facilitating electrocatalytic hydrodechlorination

Efficient dechlorination of a chlorinated aromatic compound was achieved with the application of a novel Pd/TiC/Ti electrode.

Graphical abstract: Pd/TiC/Ti electrode with enhanced atomic H* generation, atomic H* adsorption and 2,4-DCBA adsorption for facilitating electrocatalytic hydrodechlorination
From the themed collection: Environmental Remediation
Paper

Efficient extraction of slowly-released Cr(VI) from nano-sized ion channels in Cr(VI)–ettringite from reduced chromite ore processing residue

Complete extraction of Cr(VI) from rCOPR which involved ion exchange in ion channels of Cr(VI)–ettringite, formation and growth of nano-CaCO3.

Graphical abstract: Efficient extraction of slowly-released Cr(vi) from nano-sized ion channels in Cr(vi)–ettringite from reduced chromite ore processing residue
Paper

Emerging investigator series: synthesis of magnesium oxide nanoparticles fabricated on a graphene oxide nanocomposite for CO2 sequestration at elevated temperatures

MONP and MONP–GO sorbents exhibited relatively high CO2 sorption capacity (2.79–3.34 mmol g−1) under elevated temperature conditions.

Graphical abstract: Emerging investigator series: synthesis of magnesium oxide nanoparticles fabricated on a graphene oxide nanocomposite for CO2 sequestration at elevated temperatures
From the themed collection: Emerging Investigators Series
Paper

Emerging investigator series: ion diffusivities in nanoconfined interfacial water films contribute to mineral carbonation thresholds

Mineral carbonation reactivity trends and thresholds in nanoconfined water films delineated with in situ X-ray diffraction and molecular simulations.

Graphical abstract: Emerging investigator series: ion diffusivities in nanoconfined interfacial water films contribute to mineral carbonation thresholds
Paper

Effects of pH and electrolytes on the sheet-to-sheet aggregation mode of graphene oxide in aqueous solutions

Aggregation mode mediated by protonation and metal cations.

Graphical abstract: Effects of pH and electrolytes on the sheet-to-sheet aggregation mode of graphene oxide in aqueous solutions
From the themed collection: Environmental fate of nanomaterials
Paper

Incorporation of Pb(II) into hematite during ferrihydrite transformation

Ferrihydrite is ubiquitous in natural environments, and its transformation significantly influences the fate of heavy metals.

Graphical abstract: Incorporation of Pb(ii) into hematite during ferrihydrite transformation
Paper

Thiolated silica nanoadsorbents enable ultrahigh and fast decontamination of mercury(II): understanding the contribution of thiol moieties' density and accessibility on adsorption performance

Silica nanoadsorbents with a gradient of sulfur content with higher density at the external part enable effective decontamination of mercury.

Graphical abstract: Thiolated silica nanoadsorbents enable ultrahigh and fast decontamination of mercury(ii): understanding the contribution of thiol moieties' density and accessibility on adsorption performance
From the themed collection: Environmental Remediation
Paper

Construction of novel phosphonate-based MOF/P–TiO2 heterojunction photocatalysts: enhanced photocatalytic performance and mechanistic insight

A new phosphonate-based MOF/P–TiO2Z-scheme heterojunction photocatalyst had been successfully prepared for the environmental remediation.

Graphical abstract: Construction of novel phosphonate-based MOF/P–TiO2 heterojunction photocatalysts: enhanced photocatalytic performance and mechanistic insight
From the themed collection: Environmental Remediation
Paper

Hydrogel microcapsules with photocatalytic nanoparticles for removal of organic pollutants

Droplet-based microfluidics is used to fabricate hydrogel microcapsules with water permeable shells and aqueous core containing encapsulated photocatalytic nanoparticles for the removal of methylene blue from aqueous solutions.

Graphical abstract: Hydrogel microcapsules with photocatalytic nanoparticles for removal of organic pollutants
From the themed collection: Environmental Remediation
Paper

Protonation of rhodanine polymers for enhancing the capture and recovery of Ag+ from highly acidic wastewater

Contraposing nature of actual Ag-polluted water, poly-allylrhodanine is designed and synthesized, which achieves superior capacity, outstanding selectivity and ultrahigh purity of reclaimed Ag+ in capture of Ag+ from highly acidic wastewater.

Graphical abstract: Protonation of rhodanine polymers for enhancing the capture and recovery of Ag+ from highly acidic wastewater
From the themed collection: Environmental Remediation
Paper

Template-free synthesis of oxygen-containing ultrathin porous carbon quantum dots/g-C3N4 with superior photocatalytic activity for PPCPs remediation

We report, for the first time, the fabrication of an oxygen-containing ultrathin porous carbon quantum dots/polymeric carbon nitrogen metal-free composite with a highly enhanced photoresponse.

Graphical abstract: Template-free synthesis of oxygen-containing ultrathin porous carbon quantum dots/g-C3N4 with superior photocatalytic activity for PPCPs remediation
From the themed collection: Environmental Remediation
Open Access Paper

Ion effects on molecular interaction between graphene oxide and organic molecules

Interactions between graphene oxide (GO) and organic molecules play a role in processes such as environmental remediation and water treatment.

Graphical abstract: Ion effects on molecular interaction between graphene oxide and organic molecules
From the themed collection: Environmental Remediation
Paper

Two-dimensional RuO2 nanosheets as robust catalysts for peroxymonosulfate activation

This study explored for the first time the application of two-dimensional (2D) ruthenium oxide (RuO2) nanosheets (NSs) for organic decomposition through peroxymonosulfate (PMS) activation.

Graphical abstract: Two-dimensional RuO2 nanosheets as robust catalysts for peroxymonosulfate activation
Paper

3,4-Hydroxypyridinone-modified carbon quantum dot as a highly sensitive and selective fluorescent probe for the rapid detection of uranyl ions

3,4-Hydroxypyridinone-modified carbon quantum dots were prepared via a post-modification approach by introducing a specific molecule into the CQD surface, and applied to the field of rapid detection of uranyl ions.

Graphical abstract: 3,4-Hydroxypyridinone-modified carbon quantum dot as a highly sensitive and selective fluorescent probe for the rapid detection of uranyl ions
From the themed collection: Environmental Remediation
Paper

Mesoporous spinel CoFe2O4 as an efficient adsorbent for arsenite removal from water: high efficiency via control of the particle assemblage configuration

A 3D mesoporous network of ∼6 nm cobalt ferrite (CoFe2O4) nanoparticles (NPs), synthesized through a polymer-assisted aggregation self-assembly method, is presented.

Graphical abstract: Mesoporous spinel CoFe2O4 as an efficient adsorbent for arsenite removal from water: high efficiency via control of the particle assemblage configuration
From the themed collection: Environmental Remediation
Paper

Emerging investigator series: significantly enhanced uptake of Eu3+ on a nanoporous zeolitic mineral in the presence of UO22+: insights into the impact of cation–cation interaction on the geochemical behavior of lanthanides and actinides

Uptake of Eu3+ on clinoptilolite is significantly enhanced by the presence of UO22+ though cation–cation interactions between UO22+ and Eu3+.

Graphical abstract: Emerging investigator series: significantly enhanced uptake of Eu3+ on a nanoporous zeolitic mineral in the presence of UO22+: insights into the impact of cation–cation interaction on the geochemical behavior of lanthanides and actinides
Paper

Enhanced debromination of tetrabromobisphoenol a by zero-valent copper-nanoparticle-modified green rusts

Green rusts (GRs) interlayered with Cl, SO42−, and CO32− were used to reduce tetrabromobisphenol A (TBBPA), which is the most widely used brominated flame retardant.

Graphical abstract: Enhanced debromination of tetrabromobisphoenol a by zero-valent copper-nanoparticle-modified green rusts
From the themed collection: Environmental Remediation
Paper

Multi-heteroatom doped graphene-like carbon nanospheres with 3D inverse opal structure: a promising bisphenol-A remediation material

Nitrogen, phosphorus and sulfur co-doped graphene-like carbon nanospheres with 3D inverse opal structure as a promising bisphenol-A remediation material.

Graphical abstract: Multi-heteroatom doped graphene-like carbon nanospheres with 3D inverse opal structure: a promising bisphenol-A remediation material
Paper

Molecular-scale structures of uranyl surface complexes on hematite facets

The 2E uranyl coordination was preferred on hematite {001} facets, but the 2C uranyl coordination was preferred on both {012} and {110} hematite facets.

Graphical abstract: Molecular-scale structures of uranyl surface complexes on hematite facets
From the themed collection: Environmental Remediation
Paper

Roles of multiwall carbon nanotubes in phytoremediation: cadmium uptake and oxidative burst in Boehmeria nivea (L.) Gaudich

Multiwall carbon nanotubes (MWCNTs) have been widely used recently and their interaction with heavy metals or plants will influence the phytoremediation of heavy metal contaminated sites.

Graphical abstract: Roles of multiwall carbon nanotubes in phytoremediation: cadmium uptake and oxidative burst in Boehmeria nivea (L.) Gaudich
From the themed collection: Environmental Remediation
65 items

About this collection

This web collection features research articles published in Environmental Science: Nano focussed on environmental remediation and nanomaterials.

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