Themed collection Nanoscale Most Popular 2021 Articles

50 items
Open Access Review Article

Precursor chemistry of metal nitride nanocrystals

We review the chemistry that leads or could lead to colloidal metal nitride nanocrystals, via solution-based methods.

Graphical abstract: Precursor chemistry of metal nitride nanocrystals
From the themed collection: Nanoscale 2022 Emerging Investigators
Review Article

A review on the preparation, microstructure, and photocatalytic performance of Bi2O3 in polymorphs

The primitive and advanced approaches for the synthesis of various Bi2O3 polymorphs for photocatalytic applications are reviewed. The temperature-dependent phase transformation, morphology, and phase junction in Bi2O3 phases are presented.

Graphical abstract: A review on the preparation, microstructure, and photocatalytic performance of Bi2O3 in polymorphs
From the themed collection: Recent Review Articles
Review Article

Encapsulation of gold nanoclusters: stabilization and more

Encapsulation of gold nanoclusters in polymers, silica or metal organic frameworks provides a simple route for improving their stability and other properties, for applications in bioimaging, sensing and catalysis.

Graphical abstract: Encapsulation of gold nanoclusters: stabilization and more
From the themed collection: Recent Review Articles
Review Article

Transition metal-based catalysts for electrochemical water splitting at high current density: current status and perspectives

Current popular transition metal-based electrocatalysts developed for HER/OER in water splitting at high current density are critically reviewed and discussed.

Graphical abstract: Transition metal-based catalysts for electrochemical water splitting at high current density: current status and perspectives
From the themed collection: Recent Review Articles
Review Article

Defects in ferroelectric HfO2

Following introduction to defects in classical ferroelectrics as well as in dielectric HfO2, this review covers recent experimental results on the impact of defects in ferroelectric HfO2 on its functional properties and resulting performance of memory devices.

Graphical abstract: Defects in ferroelectric HfO2
From the themed collection: Recent Review Articles
Open Access Review Article

Effects of polyethylene glycol on the surface of nanoparticles for targeted drug delivery

The Effects of Surface Polyethylene Glycol on Nanoparticles' Fate. a. Mechanical properties. b. Stability. c. Drug encapsulation. d. Plasma proteins adsorption. e. Mucus penetration. f. Active targeting. g. Cellular internalization. h. Circulation time. i. Blood clearance.

Graphical abstract: Effects of polyethylene glycol on the surface of nanoparticles for targeted drug delivery
From the themed collection: Recent Review Articles
Review Article

Ab initio nonadiabatic molecular dynamics of charge carriers in metal halide perovskites

Atomistic details govern quantum dynamics of charge carriers in metal halide perovskites, which exhibit properties of solid state and molecular semiconductors, as revealed by time-domain density functional theory and nonadiabatic molecular dynamics.

Graphical abstract: Ab initio nonadiabatic molecular dynamics of charge carriers in metal halide perovskites
From the themed collection: Nanoscale Most Popular 2021 Articles
Open Access Review Article

Copper nanoclusters: designed synthesis, structural diversity, and multiplatform applications

Small copper nanoclusters (CuNCs) with atomic precisions and fascinating molecular-like properties have been discovered during last few decades. They have been widely applied for catalytic, biomedical, sensing, and optoelectronic applications.

Graphical abstract: Copper nanoclusters: designed synthesis, structural diversity, and multiplatform applications
From the themed collection: Recent Review Articles
Review Article

Two-dimensional WS2/MoS2 heterostructures: properties and applications

The successful fabrication of WS2/MoS2 heterostructures provides more possibilities for optoelectronic and thermoelectric applications than graphene because of their direct bandgap characteristics.

Graphical abstract: Two-dimensional WS2/MoS2 heterostructures: properties and applications
From the themed collection: Recent Review Articles
Review Article

2D metal–organic framework-based materials for electrocatalytic, photocatalytic and thermocatalytic applications

2D MOF-based materials with unique characteristics have great potential in various electrocatalytic, photocatalytic and thermocatalytic applications.

Graphical abstract: 2D metal–organic framework-based materials for electrocatalytic, photocatalytic and thermocatalytic applications
From the themed collection: Recent Review Articles
Open Access Review Article

Revisiting anodic alumina templates: from fabrication to applications

Review of Porous Anodic Aluminum Oxide (AAO or NAA) membranes: from fabrication, mechanisms, and internal and surface nanostructuration to applications.

Graphical abstract: Revisiting anodic alumina templates: from fabrication to applications
From the themed collection: Recent Review Articles
Review Article

Recent advances in femtosecond laser-structured Janus membranes with asymmetric surface wettability

This review covers recent advances in femtosecond laser-structured Janus membranes with asymmetric surface wettability.

Graphical abstract: Recent advances in femtosecond laser-structured Janus membranes with asymmetric surface wettability
From the themed collection: Recent Review Articles
Review Article

Advances in self-powered chemical sensing via a triboelectric nanogenerator

Self-powered chemical sensing via triboelectric nanogenerators is an emerging approach to continuous detection and analysis of chemical molecules on the human body and the surroundings.

Graphical abstract: Advances in self-powered chemical sensing via a triboelectric nanogenerator
From the themed collection: Recent Review Articles
Review Article

Dispersant-assisted liquid-phase exfoliation of 2D materials beyond graphene

Dispersant-assisted liquid-phase exfoliation allows the production of a wide range of water-based 2D material dispersions. This review provides an overview on this production method and also gives some perspectives on future research directions.

Graphical abstract: Dispersant-assisted liquid-phase exfoliation of 2D materials beyond graphene
From the themed collection: Nanoscale Most Popular 2021 Articles
Communication

Topology modulation of 2D covalent organic frameworks via a “two-in-one” strategy

By employing the “two-in-one” molecular design strategy, two new 2D COFs featuring a Kagome (kgm) lattice or a rhombic square (sql) structure can be selectively formed by varying the solvents and/or by adjusting the monomer concentrations.

Graphical abstract: Topology modulation of 2D covalent organic frameworks via a “two-in-one” strategy
From the themed collection: Nanoscale Most Popular 2021 Articles
Communication

About defect phenomena in ZnO nanocrystals

By reducing ZnO crystalline sizes from nano (50 nm) to a quantum dot (4 nm), intrinsic defect localization occurs, which changes the conductivity of ZnO from n-type to p-type.

Graphical abstract: About defect phenomena in ZnO nanocrystals
From the themed collection: Nanoscale Most Popular 2021 Articles
Open Access Communication

Scalable nanoprecipitation of niclosamide and in vivo demonstration of long-acting delivery after intramuscular injection

Controlling COVID-19 requires therapy and continued vaccination. Long-acting therapeutics offer options for test-and-cure strategies and overcome poor therapy adherence. Extended in vivo niclosamide exposure is demonstrated here as such a candidate.

Graphical abstract: Scalable nanoprecipitation of niclosamide and in vivo demonstration of long-acting delivery after intramuscular injection
From the themed collection: Recent Open Access Articles
Open Access Paper

Controlled delivery of gold nanoparticle-coupled miRNA therapeutics via an injectable self-healing hydrogel

A novel injectable hydrogel drug delivery platform introduces miRNA therapeutics coupled to gold nanoparticles to cells in a 3D bioprinted heart valve disease model.

Graphical abstract: Controlled delivery of gold nanoparticle-coupled miRNA therapeutics via an injectable self-healing hydrogel
Paper

Efficient single-photon pair generation by spontaneous parametric down-conversion in nonlinear plasmonic metasurfaces

The presented work demonstrates a new efficient ultrathin entangled single-photon pair nanophotonic source based on spontaneous parametric down-conversion working at room temperature.

Graphical abstract: Efficient single-photon pair generation by spontaneous parametric down-conversion in nonlinear plasmonic metasurfaces
From the themed collection: Nanoscale Most Popular 2021 Articles
Open Access Paper

Enhanced surface area and reduced pore collapse of methylated, imine-linked covalent organic frameworks

Methylation of aldehyde nodes in Covalent Organic Frameworks leads to enhanced BET surface areas and reduced pore collapse compared to their non-methylated counterparts, which has been rationalized by DFT computations.

Graphical abstract: Enhanced surface area and reduced pore collapse of methylated, imine-linked covalent organic frameworks
From the themed collection: Recent Open Access Articles
Paper

Core-crosslinked, temperature- and pH-responsive micelles: design, physicochemical characterization, and gene delivery application

Stimuli-responsive block copolymer micelles can provide tailored properties for the efficient delivery of genetic material.

Graphical abstract: Core-crosslinked, temperature- and pH-responsive micelles: design, physicochemical characterization, and gene delivery application
From the themed collection: Nanoscale Most Popular 2021 Articles
Paper

MoS2 stacking matters: 3R polytype significantly outperforms 2H MoS2 for the hydrogen evolution reaction

Sodium naphthalenide exfoliated 3R polytype of MoS2 outperforms the 2H polytype due to much higher conversion to the metallic 1T phase.

Graphical abstract: MoS2 stacking matters: 3R polytype significantly outperforms 2H MoS2 for the hydrogen evolution reaction
From the themed collection: Nanoscale Most Popular 2021 Articles
Paper

Long-term stability and tree-ring oxidation of WSe2 using phase-contrast AFM

Phase contrast atomic force microscopy shows how tungsten diselenide oxidation evolves into complex patterns over 75 months, following season-dependent changes in the laboratory environment, in analogy with tree-rings in nature.

Graphical abstract: Long-term stability and tree-ring oxidation of WSe2 using phase-contrast AFM
From the themed collection: Nanoscale Most Popular 2021 Articles
Paper

Design strategies of two-dimensional metal–organic frameworks toward efficient electrocatalysts for N2 reduction: cooperativity of transition metals and organic linkers

W3C12X12 (X = O, S, and Se) were screened as promising NRR electrocatalysts with an ultralow limiting potential.

Graphical abstract: Design strategies of two-dimensional metal–organic frameworks toward efficient electrocatalysts for N2 reduction: cooperativity of transition metals and organic linkers
From the themed collection: Nanoscale Most Popular 2021 Articles
Paper

Coordination environment engineering on nickel single-atom catalysts for CO2 electroreduction

The correlation between the coordination environment and the activity/selectivity of B/C/N co-coordinated Ni single atom catalysts towards CO2 electroreduction was systematically studied by theory.

Graphical abstract: Coordination environment engineering on nickel single-atom catalysts for CO2 electroreduction
From the themed collection: Nanoscale 2022 Emerging Investigators
Paper

Marrying luminescent Au nanoclusters to TiO2 for visible-light-driven antibacterial application

Marrying highly luminescent Au nanoclusters (NCs) to TiO2 achieves long-lasting yet visible-light-driven antibacterial activity against both Gram-positive and Gram-negative bacteria.

Graphical abstract: Marrying luminescent Au nanoclusters to TiO2 for visible-light-driven antibacterial application
From the themed collection: Nanoscale 2022 Emerging Investigators
Paper

A multifunctional electronic suture for continuous strain monitoring and on-demand drug release

A schematic of the drug release electronic suture system (DRESS) with a conductive fiber strain sensor core and a thermoresponsive polymer shell containing drugs.

Graphical abstract: A multifunctional electronic suture for continuous strain monitoring and on-demand drug release
Paper

The flexibility-based modulation of DNA nanostar phase separation

The structural flexibility of interacting units significantly impacts phase separation behaviors.

Graphical abstract: The flexibility-based modulation of DNA nanostar phase separation
From the themed collection: Nanoscale Most Popular 2021 Articles
Paper

A digital SERS sensing platform using 3D nanolaminate plasmonic crystals coupled with Au nanoparticles for accurate quantitative detection of dopamine

We developed a digital SERS platform using the arrays of 3D nanolaminate plasmonic crystals coupled with Au nanoparticles and digital (on/off) signal analysis for the accurate quantitative detection of low-abundance dopamine molecules.

Graphical abstract: A digital SERS sensing platform using 3D nanolaminate plasmonic crystals coupled with Au nanoparticles for accurate quantitative detection of dopamine
From the themed collection: Nanoscale Most Popular 2021 Articles
Paper

Rashba exciton in a 2D perovskite quantum dot

“Rashba excitons” in 2D perovskites have dispersion minima at non-zero quasimomenta. Implications to bright and dark confined excitons are presented.

Graphical abstract: Rashba exciton in a 2D perovskite quantum dot
From the themed collection: Nanoscale Most Popular 2021 Articles
Paper

One-step hydrothermal synthesis of porous Ti3C2Tz MXene/rGO gels for supercapacitor applications

Titanium carbide/reduced graphene oxide (Ti3C2Tz/rGO) gels were prepared by a one-step hydrothermal process.

Graphical abstract: One-step hydrothermal synthesis of porous Ti3C2Tz MXene/rGO gels for supercapacitor applications
From the themed collection: Nanoscale Most Popular 2021 Articles
Paper

Switching interlayer magnetic order in bilayer CrI3 by stacking reversal

First-principles calculations predict that rotating one layer by 180° over the other layer can switch the interlayer magnetic order in bilayer CrI3, demonstrating stacking rotation as an effective strategy to manipulate the magnetism in 2D magnets.

Graphical abstract: Switching interlayer magnetic order in bilayer CrI3 by stacking reversal
From the themed collection: Nanoscale Most Popular 2021 Articles
Paper

Understanding the interfacial charge transfer in the CVD grown Bi2O2Se/CsPbBr3 nanocrystal heterostructure and its exploitation in superior photodetection: experiment vs. theory

Efficient charge transfer in few-layer Bi2O2Se/CsPbBr3 NC heterostructure with type I band alignment paving the way for superior optoelectronic devices.

Graphical abstract: Understanding the interfacial charge transfer in the CVD grown Bi2O2Se/CsPbBr3 nanocrystal heterostructure and its exploitation in superior photodetection: experiment vs. theory
From the themed collection: Nanoscale Most Popular 2021 Articles
Paper

Towards an ideal high-κ HfO2–ZrO2-based dielectric

Dielectric properties are improved by fabrication of a Ferroelectric Hf0.5Zr0.5O2/Antiferroelectric ZrO2 nanolaminate structure. The new design increases the density of morphotropic phase boundary, which consequently enhances the dielectric constant.

Graphical abstract: Towards an ideal high-κ HfO2–ZrO2-based dielectric
From the themed collection: Nanoscale Most Popular 2021 Articles
Paper

Cubic-like Co/NC composites derived from ZIF-67 with a dual control strategy of size and graphitization degree for microwave absorption

MOFs with high tunability are considered ideal candidates as microwave-absorbing materials.

Graphical abstract: Cubic-like Co/NC composites derived from ZIF-67 with a dual control strategy of size and graphitization degree for microwave absorption
From the themed collection: Nanoscale Most Popular 2021 Articles
Paper

ZIF-8 derived hollow carbon to trap polysulfides for high performance lithium–sulfur batteries

The commercial application of Lithium–sulfur batteries (LSBs) is impeded by the shuttle effect. We report zinc (Zn) and nitrogen (N) co-doped ZIF-8 derived hollow carbon (ZHC) as a promising separator coating for LSBs to control the shuttle effect.

Graphical abstract: ZIF-8 derived hollow carbon to trap polysulfides for high performance lithium–sulfur batteries
From the themed collection: Nanoscale Most Popular 2021 Articles
Open Access Paper

Inorganic nanohybrids combat antibiotic-resistant bacteria hiding within human macrophages

Ceria/bioglass nanohybrids significantly reduce bacterial survival inside human cells without harming the latter and overcome major shortcomings of conventional antibiotics.

Graphical abstract: Inorganic nanohybrids combat antibiotic-resistant bacteria hiding within human macrophages
From the themed collection: Recent Open Access Articles
Paper

Microchip-based structure determination of low-molecular weight proteins using cryo-electron microscopy

Here we show a major technical advance to study small proteins using cryo-EM. Structural models for the SARS-CoV-2 Nucleocapsid (N) protein are presented along with other coronavirus counterparts for therapeutic development.

Graphical abstract: Microchip-based structure determination of low-molecular weight proteins using cryo-electron microscopy
From the themed collection: Nanoscale Most Popular 2021 Articles
Paper

Stiffening of DU145 prostate cancer cells driven by actin filaments – microtubule crosstalk conferring resistance to microtubule-targeting drugs

Cell stiffening induced by anticancer microtubule targeting drugs (MTDs) such as vinflunine (VFL), colchicine (COL), and docetaxel (DTX) can be driven by crosstalk between actin filaments and microtubules.

Graphical abstract: Stiffening of DU145 prostate cancer cells driven by actin filaments – microtubule crosstalk conferring resistance to microtubule-targeting drugs
From the themed collection: Nanoscale Most Popular 2021 Articles
Paper

Group-IV(A) Janus dichalcogenide monolayers and their interfaces straddle gigantic shear and in-plane piezoelectricity

Broken inversion symmetry induces in-plane (d22) and shear piezoelectricity (d15) in Janus GeSSe (SnSSe) monolayers. Application of uniaxial tensile strain and formation of homo-bilayer raise them colossally to 267 pm V−1 and 604 pm V−1, respectively.

Graphical abstract: Group-IV(A) Janus dichalcogenide monolayers and their interfaces straddle gigantic shear and in-plane piezoelectricity
From the themed collection: Nanoscale Most Popular 2021 Articles
Open Access Paper

Stabilization effects in binary colloidal Cu and Ag nanoparticle electrodes under electrochemical CO2 reduction conditions

Colloidal Cu and Ag nanoparticles retain their shape during the CO2 reduction reaction (−0.8 V vs. RHE) due to immiscibility of the lattices and synergy at the nanoscale results in enhanced methane and C2 product formation.

Graphical abstract: Stabilization effects in binary colloidal Cu and Ag nanoparticle electrodes under electrochemical CO2 reduction conditions
From the themed collection: Recent Open Access Articles
Paper

Improved synthesis of Ti3C2Tx MXenes resulting in exceptional electrical conductivity, high synthesis yield, and enhanced capacitance

EN-MILD approach for Ti3C2Tx MXene synthesis with an ultrahigh electrical conductivity of about 2.4 × 104 S cm−1.

Graphical abstract: Improved synthesis of Ti3C2Tx MXenes resulting in exceptional electrical conductivity, high synthesis yield, and enhanced capacitance
From the themed collection: Nanoscale Most Popular 2021 Articles
Paper

Ultrasensitive chemiluminescence immunoassay with enhanced precision for the detection of cTnI amplified by acridinium ester-loaded microspheres and internally calibrated by magnetic fluorescent nanoparticles

Hydrogel microspheres sensitive to temperature as new potential signal enhancers and magnetic fluorescent nanoparticles as internal standards were used to establish a new CLIA method for the accurate diagnosis of cTnI in the human body.

Graphical abstract: Ultrasensitive chemiluminescence immunoassay with enhanced precision for the detection of cTnI amplified by acridinium ester-loaded microspheres and internally calibrated by magnetic fluorescent nanoparticles
From the themed collection: Nanoscale Most Popular 2021 Articles
Paper

Facile synthesis of 3D Ni@C nanocomposites derived from two kinds of petal-like Ni-based MOFs towards lightweight and efficient microwave absorbers

3D conductive networks constructed by decorating petal-like Ni-based MOFs on the surface of graphene nanosheets exhibit superior microwave absorption properties.

Graphical abstract: Facile synthesis of 3D Ni@C nanocomposites derived from two kinds of petal-like Ni-based MOFs towards lightweight and efficient microwave absorbers
From the themed collection: Nanoscale Most Popular 2021 Articles
Paper

An asymmetric sandwich structural cellulose-based film with self-supported MXene and AgNW layers for flexible electromagnetic interference shielding and thermal management

An asymmetric sandwich film containing cellulose fiber skin layers and independent Ti3C2Tx MXene and silver nanowire core layers with multifunctional EMI shielding, and thermal conductive and solar-thermal energy conversion capacities.

Graphical abstract: An asymmetric sandwich structural cellulose-based film with self-supported MXene and AgNW layers for flexible electromagnetic interference shielding and thermal management
From the themed collection: Nanoscale Most Popular 2021 Articles
Paper

Nanotechnological immunoassay for rapid label-free analysis of candidate malaria vaccines

Oscillating micro-cantilever array enables immunoassay for single-step label-free analysis of candidate malaria vaccines. Differential read-out reveals epitope-specific timeline of malaria infection in complex serum samples.

Graphical abstract: Nanotechnological immunoassay for rapid label-free analysis of candidate malaria vaccines
From the themed collection: Nanoscale Most Popular 2021 Articles
Paper

Photoresponse improvement of mixed-dimensional 1D–2D GaAs photodetectors by incorporating constructive interface states

A mixed-dimensional photodetector was constructed to convert the harmful surface states of low-dimensional materials into their constructive interface states.

Graphical abstract: Photoresponse improvement of mixed-dimensional 1D–2D GaAs photodetectors by incorporating constructive interface states
From the themed collection: Nanoscale Most Popular 2021 Articles
Paper

Layer-by-layer coated nanoliposomes for oral delivery of insulin

Nanosulin – a highly stable multilayer insulin-coated nanoliposome, enhanced insulin permeation across the intestinal epithelium and maintained bioactivity via oral administration in vivo.

Graphical abstract: Layer-by-layer coated nanoliposomes for oral delivery of insulin
From the themed collection: Nanoscale Most Popular 2021 Articles
Paper

Investigating the influence of block copolymer micelle length on cellular uptake and penetration in a multicellular tumor spheroid model

The efficient penetration of drug nanocarriers into tumors is an important prerequisite for therapeutic and diagnostic success.

Graphical abstract: Investigating the influence of block copolymer micelle length on cellular uptake and penetration in a multicellular tumor spheroid model
From the themed collection: Nanoscale Most Popular 2021 Articles
Paper

Highly dispersive Co3O4 nanoparticles incorporated into a cellulose nanofiber for a high-performance flexible supercapacitor

Transition metal oxides used as electrode materials for flexible supercapacitors have attracted huge attention due to their high specific capacitance and surface-to-volume ratio, specifically for cobalt oxide (Co3O4) nanoparticles.

Graphical abstract: Highly dispersive Co3O4 nanoparticles incorporated into a cellulose nanofiber for a high-performance flexible supercapacitor
From the themed collection: Nanoscale Most Popular 2021 Articles
50 items

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Showcasing some of the most cited and most accessed articles published in Nanoscale during 2021.

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