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Themed collection Nanomaterials

36 items
Communication

Fast colloidal synthesis of SnSe2 nanosheets for flexible broad-band photodetection

A new rapid bottom-up colloidal synthetic route has been developed to synthesize SnSe2 nanosheets within 5 min. A SnSe2 nanosheet-based flexible photodetector is fabricated for the first time and the resulting device displays a wide photodetection range and high flexibility.

Graphical abstract: Fast colloidal synthesis of SnSe2 nanosheets for flexible broad-band photodetection
From the themed collection: Nanomaterials
Communication

Two-step hydrothermal synthesis of (NH4)xWO3 hollow spherical and hierarchical structures

Two novel (NH4)xWO3 structures were prepared by a two-step hydrothermal route. Also, the possible formation mechanism of these two (NH4)xWO3 structures was proposed and discussed.

Graphical abstract: Two-step hydrothermal synthesis of (NH4)xWO3 hollow spherical and hierarchical structures
From the themed collection: Nanomaterials
Communication

Ligand-mediated strategy for the fabrication of hollow Fe-MOFs and their derived Fe/NC nanostructures with an enhanced oxygen reduction reaction

A facile ligand-mediated strategy was developed for preparing novel octahedron-shaped Fe-MOF particles with a hollow structure.

Graphical abstract: Ligand-mediated strategy for the fabrication of hollow Fe-MOFs and their derived Fe/NC nanostructures with an enhanced oxygen reduction reaction
From the themed collection: Nanomaterials
Communication

Rapid fabrication of silver–cuprous oxide core–shell nanowires for visible light photocatalysts

This work reports a novel method that enables facile fabrication of Ag–Cu2O core–shell nanowires (Ag@Cu2O NWs) for visible light photocatalysts.

Graphical abstract: Rapid fabrication of silver–cuprous oxide core–shell nanowires for visible light photocatalysts
From the themed collection: Nanomaterials
Paper

Novel ultrahard carbon structures by cold-compressing tubes

Four novel superhard carbon structures named L-, CM-, and K-carbon and Cco-C160 are proposed by cold-compressing carbon nanotubes based on DFT theory, which adopt the 5 + 6 + 7, 5 + 6 + 8, 6 + 14 and 4 + 6 + 8 topological structures, respectively.

Graphical abstract: Novel ultrahard carbon structures by cold-compressing tubes
From the themed collection: Nanomaterials
Paper

Mesoporous NiCo2Se4 tube as an efficient electrode material with enhanced performance for asymmetric supercapacitor applications

• One-component NiCo2Se4 is synthesized. • The unique mesoporous tubular micro-nanostructure greatly improves the electrochemical performance. • Selenium with high electrical conductivity is beneficial for improving the energy density and power density.

Graphical abstract: Mesoporous NiCo2Se4 tube as an efficient electrode material with enhanced performance for asymmetric supercapacitor applications
From the themed collection: Nanomaterials
Paper

Hollow porous nitrogen-doped carbon embedded with ultrafine Co nanoparticles boosting lithium-ion storage

Hollow porous nitrogen-doped carbon embedded with ultrafine Co nanoparticles (Co@NC) was synthesized by a facile self-template strategy, which exhibited excellent cycling stability and remarkable rate performance.

Graphical abstract: Hollow porous nitrogen-doped carbon embedded with ultrafine Co nanoparticles boosting lithium-ion storage
From the themed collection: Nanomaterials
Paper

Design of earth-abundant Z-scheme g-C3N4/rGO/FeOOH ternary heterojunctions with excellent photocatalytic activity

A ternary Z-scheme g-C3N4/rGO/FeOOH heterostructure photocatalyst for H2 production was designed and fabricated, which exhibited photocatalytic H2 production of 124.9 and 869.8 μmol h−1 g−1 under visible and UV-Vis light irradiation, respectively.

Graphical abstract: Design of earth-abundant Z-scheme g-C3N4/rGO/FeOOH ternary heterojunctions with excellent photocatalytic activity
From the themed collection: Nanomaterials
Paper

Roughening transition as a driving factor in the formation of self-ordered one-dimensional nanostructures

Peculiar scenarios in the dynamics of BCC and FCC 1D-nanostructures leading to the formation of ultra-short, and sometimes stable, high-amplitude surface modulations are analysed and the means of achieving the desired periodicity are discussed.

Graphical abstract: Roughening transition as a driving factor in the formation of self-ordered one-dimensional nanostructures
From the themed collection: Nanomaterials
Paper

Ultrathin 2D flower-like CoP@C with the active (211) facet for efficient electrocatalytic water splitting

Due to the more exposed (211) facet, the electrocatalytic water splitting activity of 2D CoP@C is superior to that of its counterpart 3D structure.

Graphical abstract: Ultrathin 2D flower-like CoP@C with the active (211) facet for efficient electrocatalytic water splitting
From the themed collection: Nanomaterials
Paper

Experimental and theoretical evidence for oriented aggregate crystal growth of CoO in a polyol

CoO submicrometer-sized pseudo-single crystals were produced in polyol thanks to an oriented aggregation crystal growth driven by the polyol molecules themselves.

Graphical abstract: Experimental and theoretical evidence for oriented aggregate crystal growth of CoO in a polyol
From the themed collection: Nanomaterials
Paper

Unveiling the crystallographic origin of mechanochemically induced monoclinic to triclinic phase transformation in WO3

This study reports the anomalously stabilized low-temperature triclinic phase (δ-WO3) during high energy ball milling (HEBM) of the monoclinic γ-WO3 phase.

Graphical abstract: Unveiling the crystallographic origin of mechanochemically induced monoclinic to triclinic phase transformation in WO3
From the themed collection: Nanomaterials
Paper

Comparison of the effects of cation and phosphorus doping in cobalt-based spinel oxides towards the oxygen evolution reaction

Phosphorus incorporation further boosted the OER activity of cation-doped Co-based spinel oxides via remarkably tuning the oxygen vacancies, crystallinity and electrochemically active surface area on the surface.

Graphical abstract: Comparison of the effects of cation and phosphorus doping in cobalt-based spinel oxides towards the oxygen evolution reaction
From the themed collection: Nanomaterials
Paper

Facile construction of N-doped carbon nanotubes encapsulating Co nanoparticles as a highly efficient multifunctional catalyst for electrochemical reactions

A multifunctional electrocatalyst, N-doped carbon nanotubes encapsulating Co nanoparticles (Co@NCNTs), has been synthesized by a facile solid-phase precursor pyrolysis method. It displays high performance for the ORR, OER and HER in alkaline medium.

Graphical abstract: Facile construction of N-doped carbon nanotubes encapsulating Co nanoparticles as a highly efficient multifunctional catalyst for electrochemical reactions
From the themed collection: Nanomaterials
Paper

Morphology and electronic modulation of composite nanosheets for electrocatalytic oxygen evolution through partial and in situ transformation of NiFe-LDH

Developing new strategies for constructing highly efficient electrocatalyst is still of great significance for renewable energy conversion.

Graphical abstract: Morphology and electronic modulation of composite nanosheets for electrocatalytic oxygen evolution through partial and in situ transformation of NiFe-LDH
From the themed collection: Nanomaterials
Paper

Performances variations of BiFeO3-based ceramics induced by additives with diverse phase structures

Obviously distortion occurred in the BFBT ceramics after four different space groups of ABO3 perovskite doping. The changed electronic structures resulted in variety polarization, leading to distinction electrical performances of ceramics.

Graphical abstract: Performances variations of BiFeO3-based ceramics induced by additives with diverse phase structures
From the themed collection: Nanomaterials
Paper

BiOBr/Ti3C2 nanocomposites prepared via an octanol solvothermal method to achieve enhanced visible photocatalytic properties

BiOBr nanospheres grown in situ on lamellar Ti3C2 were synthesised in an octanol solvothermal system to obtain BiOBr/Ti3C2 heterojunction composites with high visible photocatalytic activity (OBT).

Graphical abstract: BiOBr/Ti3C2 nanocomposites prepared via an octanol solvothermal method to achieve enhanced visible photocatalytic properties
From the themed collection: Nanomaterials
Paper

High crystallinity and conjugation promote the polarization degree in O-doped g-C3N4 for removing organic pollutants

High crystallinity and extended conjugated system improve the polarization of O-doped g-C3N4, which efficiently promotes carrier separation.

Graphical abstract: High crystallinity and conjugation promote the polarization degree in O-doped g-C3N4 for removing organic pollutants
From the themed collection: CrystEngComm HOT articles
Paper

Synergistic effects of oxygen vacancies and the chelation of tetracycline with metallic ions for enhanced degradation of tetracycline over photocatalysts La2−xKxNiMnO6

OVs induced by potassium doping and the chelation of TC with the metallic ions synergistically enhanced photodegradation of TC by La2−xKxNiMnO6 photocatalysts.

Graphical abstract: Synergistic effects of oxygen vacancies and the chelation of tetracycline with metallic ions for enhanced degradation of tetracycline over photocatalysts La2−xKxNiMnO6
From the themed collection: Nanomaterials
Paper

Microbial synthesis of Cu7S4/rGO nanocomposites with efficient photocatalytic activity for the degradation of methyl green

Cu7S4/reduced graphene oxide (rGO) photocatalysts are attracting increasing interest because of their low cost and environmental friendliness.

Graphical abstract: Microbial synthesis of Cu7S4/rGO nanocomposites with efficient photocatalytic activity for the degradation of methyl green
From the themed collection: Nanomaterials
Paper

Enhanced photoluminescence and photocatalytic performance of a TiO2–ZnWO4 nanocomposite induced by oxygen vacancies

We reported the enhanced photoluminescence and photocatalytic performance of a TiO2–ZnWO4 nanocomposite and discussed the mechanism behind the superior behavior in this study.

Graphical abstract: Enhanced photoluminescence and photocatalytic performance of a TiO2–ZnWO4 nanocomposite induced by oxygen vacancies
From the themed collection: CrystEngComm HOT articles
Paper

The in situ derivation of a NiFe-LDH ultra-thin layer on Ni-BDC nanosheets as a boosted electrocatalyst for the oxygen evolution reaction

A Ni-based metal organic framework (Ni-BDC) and subsequently derived NiFe-LDH were studied to overcome the defect of the low availability of active sites for the oxygen evolution reaction (OER) during the water splitting process.

Graphical abstract: The in situ derivation of a NiFe-LDH ultra-thin layer on Ni-BDC nanosheets as a boosted electrocatalyst for the oxygen evolution reaction
From the themed collection: Nanomaterials
Paper

Photoinduced defect engineering: enhanced photocatalytic performance of 3D BiOCl nanoclusters with abundant oxygen vacancies

Oxygen vacancies are highly important for photocatalytic performance in bismuth oxychloride, but their preparation is limited to vacuum roasting and hydrogen annealing techniques at high temperatures (200–400 °C).

Graphical abstract: Photoinduced defect engineering: enhanced photocatalytic performance of 3D BiOCl nanoclusters with abundant oxygen vacancies
From the themed collection: Nanomaterials
Paper

Porous urchin-like 3D Co(II)Co(III) layered double hydroxides for high performance heterogeneous Fenton degradation

Heterogeneous Fenton processes can overcome the generation of iron sludge and the production of more solid wastes.

Graphical abstract: Porous urchin-like 3D Co(ii)Co(iii) layered double hydroxides for high performance heterogeneous Fenton degradation
From the themed collection: Nanomaterials
Paper

Interface synthesis for controllable construction of 2D Zn(Bim)(OAc) nanosheets via oil/water system and their application in oil

Fabrication of 2D Zn(Bim)(OAc) MOFs-structured nanosheets based on the oil/water interface.

Graphical abstract: Interface synthesis for controllable construction of 2D Zn(Bim)(OAc) nanosheets via oil/water system and their application in oil
From the themed collection: Nanomaterials
Paper

Effect of mono- and divalent extra-framework cations on the structure and accessibility of porosity in chabazite zeolites

The differences in valence and size between extra-framework cations exert a significant effect on the nitrogen sorption ability in the synthesised chabazite zeolites (K-CHA, Cs-CHA, Ca-CHA, Ba-CHA, Sr-CHA and Zn-CHA).

Graphical abstract: Effect of mono- and divalent extra-framework cations on the structure and accessibility of porosity in chabazite zeolites
From the themed collection: Nanomaterials
Paper

A facile one-pot synthesis of Co2P nanoparticle-encapsulated doped carbon nanotubes as bifunctional electrocatalysts for high-performance rechargeable Zn–air batteries

One-pot synthesis of Co2P nanoparticles encapsulated into doped carbon nanotubes, which can be applied as ORR/OER bifunctional catalysts for Zn–air batteries.

Graphical abstract: A facile one-pot synthesis of Co2P nanoparticle-encapsulated doped carbon nanotubes as bifunctional electrocatalysts for high-performance rechargeable Zn–air batteries
From the themed collection: Nanomaterials
Paper

Microstructural changes caused by Ba and Pr doping in nanosized Bi2Ce2O7 leading to interesting optical, magnetic, and catalytic properties

The microstructural changes arising out of the inclusion of electropositive Ba2+ and praseodymium capable of showing variable valences in Bi2Ce2O7 have been correlated with the optical, magnetic, and catalytic properties.

Graphical abstract: Microstructural changes caused by Ba and Pr doping in nanosized Bi2Ce2O7 leading to interesting optical, magnetic, and catalytic properties
From the themed collection: Nanomaterials
Paper

Ni/Co phosphide nanoparticles embedded in N/P-doped carbon nanofibers towards enhanced hydrogen evolution

Transition-metal phosphides have been identified as effective materials for improving electrocatalytic hydrogen evolution.

Graphical abstract: Ni/Co phosphide nanoparticles embedded in N/P-doped carbon nanofibers towards enhanced hydrogen evolution
From the themed collection: Nanomaterials
Open Access Paper

Shape controlled iron oxide nanoparticles: inducing branching and controlling particle crystallinity

Branched or multiply branched iron oxide nanoparticles are synthesized, the crystal domains rearrange forming single crystalline structures, that is crucial for efficient magnetic hyperthermia.

Graphical abstract: Shape controlled iron oxide nanoparticles: inducing branching and controlling particle crystallinity
From the themed collection: Nanomaterials
Paper

Electrochemical growth of dendritic silver nanostructures as facile SERS substrates

The well-defined silver dendritic nanostructure with a precisely tailored trunk and branches, as well as decorated nanoparticles.

Graphical abstract: Electrochemical growth of dendritic silver nanostructures as facile SERS substrates
From the themed collection: Nanomaterials
Paper

Effect of reactant sequence on the structure and properties of self-assembled TiO2 microspheres with exposed {001} surfaces

Highly exposed {001} surfaces of ITD-TiO2 and IDT-TiO2 microspheres with self-assembled hierarchical structure were prepared by the two-step hydrothermal method. The degradation rate of MO by ITD-TiO2 was 99.0% after UV-light irradiation for 3.0 h.

Graphical abstract: Effect of reactant sequence on the structure and properties of self-assembled TiO2 microspheres with exposed {001} surfaces
From the themed collection: Nanomaterials
Paper

Mildly acidic pH and room temperature triggered peroxidase-mimics of rGO–Cu3(OH)2(MoO4)2 cuboidal nanostructures: an effective colorimetric detection of neurotransmitter dopamine in blood serum and urine samples

Graphical representation of dopamine detection.

Graphical abstract: Mildly acidic pH and room temperature triggered peroxidase-mimics of rGO–Cu3(OH)2(MoO4)2 cuboidal nanostructures: an effective colorimetric detection of neurotransmitter dopamine in blood serum and urine samples
From the themed collection: Nanomaterials
Paper

Selective MOCVD synthesis of VO2 crystals on nanosharp Si structures

High-quality single VO2 nanocrystals and ordered arrays of VO2 nanorings were selectively synthesized by chemical vapor deposition (CVD) respectively on the tip apices and on the sidewall scallops.

Graphical abstract: Selective MOCVD synthesis of VO2 crystals on nanosharp Si structures
From the themed collection: Nanomaterials
Paper

Structural and chemical interplay between nano-active and encapsulation materials in a core–shell SnO2@MXene lithium ion anode system

Structural and chemical interplay between nano-active and encapsulation materials in a core–shell SnO2@MXene lithium ion anode system was investigated in detail.

Graphical abstract: Structural and chemical interplay between nano-active and encapsulation materials in a core–shell SnO2@MXene lithium ion anode system
From the themed collection: Nanomaterials
Paper

2D MOF-derived porous NiCoSe nanosheet arrays on Ni foam for overall water splitting

A novel 2D porous NiCoSe nanosheet arrays were grown on Ni foam using ZIF-67 as precursors, which exhibited outstanding bifunctional electrocatalytic activity and superior durability for overall water splitting.

Graphical abstract: 2D MOF-derived porous NiCoSe nanosheet arrays on Ni foam for overall water splitting
From the themed collection: Nanomaterials
36 items

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The latest research on Nanomaterials published in CrystEngComm.

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