Themed collection 2018 Nanoscale HOT Article Collection
Crystal structural design of exposed planes: express channels, high-rate capability cathodes for lithium-ion batteries
The rational design of crystal planes with express channels is an effective approach to develop the high-performance cathodes for lithium ion batteries.
Predicting the impact of structural diversity on the performance of nanodiamond drug carriers
Diamond nanoparticles (nanodiamonds) are unique among carbon nanomaterials, and are quickly establishing a niché in the biomedical application domain.
Porous liquid zeolites: hydrogen bonding-stabilized H-ZSM-5 in branched ionic liquids
The porous liquid zeolites with permanent porosity could be fabricated by exploiting the hydrogen bonding interaction between the alkane chains of branched ionic liquids and the Brønsted sites in H-form zeolites.
DNA-free directed assembly in single-molecule cut-and-paste
DNA-free single-molecule cut-and-paste enables spatially controlled assembly of labelled biomolecules into well-defined geometries (e.g. a star) with nanometre precision.
Boosting reversible oxygen electrocatalysis with enhanced interfacial pyridinic-N–Co bonding in cobalt oxide/mesoporous N-doped graphene hybrids
A hybrid catalyst CoO/mesoporous N-doped graphene with enhanced pyridinic-N–Co bonding is designed and it exhibits superior bi-functional ORR/OER performance.
Interfacial coupling between noble metal nanoparticles and metal–organic frameworks for enhanced catalytic activity
Interfacial coupling between ZIFs and noble metal NPs plays a significant role in enhancing catalytic efficiency.
In situ synthesis and macroscale alignment of CsPbBr3 perovskite nanorods in a polymer matrix
Stretch-alignment of CsPbBr3 perovskite nanorods synthesized in situ in a polymer matrix leads to polarized emission.
Variable segment roles: modulation of the packing modes, nanocrystal morphologies and optical emissions
With variable segment roles, three isomers exhibited different packing modes, nanocrystal morphologies and photoluminescence properties.
A guard to reduce the accidental oxidation of PbTe nanocrystals
Benzene derivatives can reduce unexpected PbTe NCs oxidation even with the introduction of leaked air or moisture during the synthesis procedure.
Ferromagnetic nanoparticle-embedded hybrid nanogenerator for harvesting omnidirectional vibration energy
A ferromagnetic nanoparticle-embedded hybrid nanogenerator (FHNG) which combines triboelectric nanogenerator (TENG) and electromagnetic generator (EMG) was is proposed. Through a simple treatment, high-triboelectric monolayers of nanoscale thicknesses are formed.
Spin-state dependent conductance switching in single molecule-graphene junctions
Spin-crossover (SCO) switching of individual molecules connected to graphene electrodes is detected in the electrical current.
Doping-stabilized two-dimensional black phosphorus
Two-dimensional (2D) black phosphorus has nearly the same stability as 2D blue phosphorus and now can be exclusively stabilized over all other 2D allotropes by nitrogen and hole carrier doping.
Robust superlubricity by strain engineering
We demonstrate that robust superlubricity can be achieved via both biaxial and uniaxial tensile strains in a substrate using molecular dynamics simulation. Above a critical strain, the friction is no longer dependent on the relative orientation between the surfaces mainly due to the complete lattice mismatch. Importantly, the larger the size of the flake is, the smaller the critical biaxial strain is.
Tailored Ag–Cu–Mg multielemental nanoparticles for wide-spectrum antibacterial coating
Bactericidal nanoparticle coatings are very promising for hindering the indirect transmission of pathogens through cross-contaminated surfaces.
Nanoparticle-based drug delivery via RBC-hitchhiking for the inhibition of lung metastases growth
RBC-hitchhiking regime is shown without prolongation of nanoparticle blood circulation but with the record 120-fold boost of particle delivery to lungs. The approach is efficient for treatment of pulmonary metastases.
Diverse chiral assemblies of nanoparticles directed by achiral block copolymers via nanochannel confinement
With the help of achiral block copolymers in a nanochannel, nanoparticles are directed to self-assemble into chiral assemblies with strong chiroptical responses.
Planting carbon nanotubes onto supramolecular polymer matrices for waterproof non-contact self-healing
Thermo-responsive supramolecular polymer/MWCNTs composite materials were prepared by a spraying procedure and used as waterproof strain sensors with NIR-induced underwater healability.
Direct Z scheme-fashioned photoanode systems consisting of Fe2O3 nanorod arrays and underlying thin Sb2Se3 layers toward enhanced photoelectrochemical water splitting performance
An elegant Z-scheme-fashioned photoanode consisting of Fe2O3 nanorod arrays and underlying thin Sb2Se3 layers was rationally constructed.
The equilibrium structure of self-assembled protein nano-cages
Global minimum energy structures of protein nano-cages are investigated as a function of the mechanical properties of coat proteins.
3D characterization of heat-induced morphological changes of Au nanostars by fast in situ electron tomography
The thermal reshaping and its influence on the plasmonic properties of gold nanostars are investigated using a combination of in situ tomography and a state-of-the-art fast acquisition approach.
N-Doped carbon shelled bimetallic phosphates for efficient electrochemical overall water splitting
N-Doped carbon shelled bimetallic Fe–Co phosphides with controlled atomic ratios via simple synthesis methods for efficient overall water splitting.
An integrated experimental and theoretical study on the optical properties of uniform hairy noble metal nanoparticles
An integrated experimental and modeling study reveals the contributions of intra- and inter-band transitions and the size and surface ligand effects on plasmonic absorption.
Litchi-peel-like hierarchical hollow copper-ceria microspheres: aerosol-assisted synthesis and high activity and stability for catalytic CO oxidation
Litchi-peel-like hierarchical hollow copper-ceria microspheres with highly dispersed CuOx and steps exhibit remarkable catalytic activity and stability for CO oxidation.
Significantly enhanced magnetoresistance in monolayer WTe2via heterojunction engineering: a first-principles study
The large non-saturating magnetoresistance (MR) of bulk WTe2 is greatly reduced in thin films, and vdW heterojunction engineering can significantly enhance the MR effect.
Retracted Article: Size-selected silver nanoparticles for MALDI-TOF mass spectrometry of amyloid-beta peptides
Size-selected (2–45 nm) Ag NPs for matrix assisted desorption and ionization of Aβ peptides in MALDI-TOF MS.
Self-supported bimetallic Ni–Co compound electrodes for urea- and neutralization energy-assisted electrolytic hydrogen production
An alkaline-acid electrolyte electrolyzer was designed to efficiently harvest two types of energy to assist electrolytic hydrogen production using waste urea, acid, and base.
Protein denaturation caused by heat inactivation detrimentally affects biomolecular corona formation and cellular uptake
Adsorption of blood proteins to the surface of nanocarriers is known to be the critical factor influencing cellular interactions and eventually determining the successful application of nanocarriers as drug carriers in vivo.
Incorporation of Cu–Nx cofactors into graphene encapsulated Co as biomimetic electrocatalysts for efficient oxygen reduction
Atomic Cu–Nx cofactors are incorporated within graphene encapsulated Co by direct annealing of MOFs and exhibit excellent ORR activity.
Engineered nanoceria cytoprotection in vivo: mitigation of reactive oxygen species and double-stranded DNA breakage due to radiation exposure
Nanoceria efficacy as a radio-protectant material is tested in vivo; testicular tissues are analysed to evaluate influence on gene transfer.
Highly (00l)-oriented Bi2Te3/Te heterostructure thin films with enhanced power factor
A high power factor was obtained in highly (00l)-oriented Bi2Te3/Te heterostructure thin films via energy-dependent carrier filtering effect.
Thermal behavior of Pd@SiO2 nanostructures in various gas environments: a combined 3D and in situ TEM approach
The thermal stability of core–shell Pd@SiO2 was for the first time monitored by using in situ Environmental TEM at atmospheric pressure coupled with Electron Tomography on the same particles.
Broadband 1T-titanium selenide-based saturable absorbers for solid-state bulk lasers
1T-titanium selenide (1T-TiSe2), a representative of 1T phase transition metal dichalcogenides (TMDs), exhibits semimetallic behaviour with a nearly zero bandgap structure, which makes it a promising photoelectric material.
Unique features of the generation–recombination noise in quasi-one-dimensional van der Waals nanoribbons
We describe the low-frequency current fluctuations, i.e. electronic noise, in quasi-one-dimensional ZrTe3 van der Waals nanoribbons, which have recently attracted attention owing to their extraordinary high current carrying capacity.
Protein-modified conjugated polymer nanoparticles with strong near-infrared absorption: a novel nanoplatform to design multifunctional nanoprobes for dual-modal photoacoustic and fluorescence imaging
A general method to engineer photoacoustic/fluorescence dual-modal imaging nanoprobes has been proposed based on stable near-infrared conjugated polymer nanoparticles.
Peroxidase mimicking DNAzymes degrade graphene oxide
A DNAzyme made of guanine-rich DNA and hemin is capable of degrading graphene oxide sheets in the presence of hydrogen peroxide similarly to the natural enzyme horseradish peroxidase.
Kinetic pathways towards mass production of single crystalline stanene on topological insulator substrates
Contrasting atomistic growth mechanisms of stanene on Bi2Te3-based substrates are predicted within first-principles theory, favoring single-crystalline growth on Bi-covered Bi2Te3.
Hetero-biicosahedral [Au24Pd(PPh3)10(SC2H4Ph)5Cl2]+ nanocluster: selective synthesis and optical and electrochemical properties
A hetero-biicosahedral 25-atom cluster in which one central atom was replaced by Pd was synthesized and the properties were elucidated.
Metal–organic frameworks induce autophagy in mouse embryonic fibroblast cells
Autophagy is the lysosomal-dependent degradation process of intracellular substances in adaptation to environmental or developmental changes. A classic MOFs Fe-MIL-101_NH2 was revealed to induce cytoprotective autophagy in mouse embryonic fibroblast cells (MEFs).
Self-scrolling MoS2 metallic wires
Herein, the properties of quasi-1D MoS2 nanoscrolls are systemically studied via experiment and theoretical simulation demonstrating that MoS2 can transit from semiconductor to metal by self-scrolling.
Probing charge transfer dynamics in a single iron tetraphenylporphyrin dyad adsorbed on an insulating surface
Charge transfer is investigated in a planar dyad adsorbed on an insulting layer via local electronic excitations.
Activation of defective nickel molybdate nanowires for enhanced alkaline electrochemical hydrogen evolution
A series of N doped porous metallic NiMoO4 nanowires with concomitant oxygen vacancy defects (N-Vo-NiMoO4 NWs) were prepared as a catalyst for HER in alkaline media. Volcano-like fashion was exhibited for N-Vo-NiMoO4 NWs on various amount of doped-N, with N3-Vo-NiMoO4 NWs being the best one.
Rational inert-basal-plane activating design of ultrathin 1T′ phase MoS2 with a MoO3 heterostructure for enhancing hydrogen evolution performances
Hollow nanoflakes with 1T′-MoS2/MoO3 heterojunction nanosheets were simply synthesized and explored as a very robust catalyst for hydrogen evolution.
Shape-dependent thermo-plasmonic effect of nanoporous gold at the nanoscale for ultrasensitive heat-mediated remote actuation
Nanoscale shaping of NPG's thermo-plasmonic effect is investigated to optimize localized light-to-heat conversion and its application in ultrasensitive heat-mediated actuation.
Atomic layer oxidation on graphene sheets for tuning their oxidation levels, electrical conductivities, and band gaps
This work adopts an efficient atomic layer oxidation technique to cyclically increase the oxidation level of graphene sheets, thus, tuning their electrical conductance, band-gap structure, and photoluminescence response.
Visible light induced electron transfer from a semiconductor to an insulator enables efficient photocatalytic activity on insulator-based heterojunctions
Visible light induced electron transfer from a BiOI semiconductor to a BaCO3 insulator enables efficient photocatalytic activity on insulator-based heterojunctions.
Performance-improved Li-O2 batteries by tailoring the phases of MoxC porous nanorods as an efficient cathode
By tailoring the phases of MoxC, α-MoC1−x exhibits better Li-O2 battery performance than β-Mo2C with a lower charge-transfer resistance and better O2 adsorption.
Assembly of thiacalixarene-supported high-nuclearity Cd24 cluster with enhanced photocatalytic activity
A high-nuclearity Cd24 cluster built from Cd4-thiacalixarene SBUs and in situ generated peroxyphosphate PO53− exhibited significant photocatalytic water splitting activity in absence of a co-catalyst.
Development of a thermosensitive protein conjugated nanogel for enhanced radio-chemotherapy of cancer
We develop chemically cross-linked poly-N,N′-dimethyl aminoethyl methacrylate (PDMAEMA) smart nanogel as an excellent thermosensitive nanocarrier to load both anticancer drug, doxorubicine (DOX), and radioisotope 131I-labeled albumin for enhanced chemo-radioisotope therapy.
Red phosphorus in its two-dimensional limit: novel clathrates with varying band gaps and superior chemical stabilities
First-principles calculations within density functional theory reveal the preferred structures of red phosphorus in the two-dimensional (2D) limit to be porous with intriguing structural, electronic, and chemical properties.
Highly improved photoelectrocatalytic efficiency and stability of WO3 photoanodes by the facile in situ growth of TiO2 branch overlayers
A novel TiO2 branch decorated WO3 nanoplate (TWNP) photoanode was prepared by a simple and facile in situ wet chemical growth method and used as a highly efficient and stable photoelectrode for photoelectrocatalytic applications.
An efficient dye-sensitized NIR emissive lanthanide nanomaterial and its application in fluorescence-guided peritumoral lymph node dissection
Through combining Cy7 and NaYbF4@NaYF4:60%Nd together to form a dye-sensitized system, the near-infrared emission intensity of Yb was significantly enhanced.
Synergistic combination chemotherapy using carrier-free celastrol and doxorubicin nanocrystals for overcoming drug resistance
Celastrol and doxorubicin are self-assembled into carrier-free and biocompatible nanoparticles via a green method, which enhance synergistic combination chemotherapy and overcome drug resistance.
Visible light driven catalytic gold decorated soft-oxometalate (SOM) based nanomotors for organic pollutant remediation
A new class of soft-oxometalate (SOM) based visible light propelled nanomotors for remediation of organic pollutants – methylene blue and benzyl bromide.
Lubricating properties of single metal ions at interfaces
Molecular-level shear experiments quantify how single ions lubricate nano-confined water by locally remodelling the hydrogen bond network.
Graphene and graphene oxide induce ROS production in human HaCaT skin keratinocytes: the role of xanthine oxidase and NADH dehydrogenase
Graphene based nanomaterials induce a reactive oxygen species-mediated mitochondrial depolarization, caused by the activation of NADH dehydrogenase and xanthine oxidase.
Green synthesis of catalytic gold/bismuth oxyiodide nanocomposites with oxygen vacancies for treatment of bacterial infections
Treatment using Au/BiOI nanocomposites for S. aureus-infected bacterial keratitis revealed that the nanocomposites are an effective agent for ocular infections.
Differential effects of graphene materials on the metabolism and function of human skin cells
Low doses of GO or FLG produce a metabolic remodeling that differentially affects human skin cell death and motility.
An easy-to-fabricate clearable CuS-superstructure-based multifunctional theranostic platform for efficient imaging guided chemo-photothermal therapy
A CuS-superstructure-based clearable drug delivery and cancer theranostic platform was constructed.
An autonomous tumor-targeted nanoprodrug for reactive oxygen species-activatable dual-cytochrome c/doxorubicin antitumor therapy
Cytochrome c/doxorubicin dual therapy triggered by the high level of reactive oxygen species in tumor tissues.
On the stabilization of ferroelectric negative capacitance in nanoscale devices
Stabilization criteria for ferroelectric negative capacitance are more restrictive than previously thought, but downscaling of lateral device dimensions improves stability.
Proteins as supramolecular hosts for C60: a true solution of C60 in water
Lysozyme is used as a host molecule to disperse monomolecularly C60 in water preserving the C60 properties.
The size-selective interaction of key and lock nanocrystals driven by depletion attraction at the nanoscale
In this article, we study the size-dependent interactions of quasi-spherical nanocrystals with voids of concave nanoparticles of complementary sizes and shapes.
Sulfonate-ended carbosilane dendrimers with a flexible scaffold cause inactivation of HIV-1 virions and gp120 shedding
Sulfonate-ended carbosilane dendrimers with a polyphenolic core cause destabilization of virions by gp120 shedding, p24 release and RNA degradation.
Robust ferroelectricity in two-dimensional SbN and BiP
We discovered two types of monolayer ferroelectric materials, one of them has the highest spontaneous polarization among 2D ferroelectric materials.
Simultaneous assembly of van der Waals heterostructures into multiple nanodevices
We present a fast and scalable method for the simultaneous fabrication of multiple nanodevices based on liquid-phase exfoliated van der Waals heterostructures.
Application of 3D hierarchical monoclinic-type structural Sb-doped WO3 towards NO2 gas detection at low temperature
Currently, the development of semiconducting metal oxide (SMO)-based gas sensors with innovative modification and three-dimensional (3D) structural designs has become a significant scientific interest due to their potential for addressing key technological challenges.
Mimicking plasmonic nanolaser emission by selective extraction of electromagnetic near-field from photonic microcavity
3D localized laser-like emission with deep subwavelength mode volume is demonstrated in individual metallic nanoparticle based on a hybrid semiconductor waveguide-insulator-silver nanorod system.
Exploring the structure evolution and core/ligand structure patterns of a series of large sized thiolate-protected gold clusters Au145-3N(SR)60-2N (N = 1–8): a first principles study
The atomic structures of many atomically precise nanosized ligand protected gold clusters have been resolved recently.
Large diffusion anisotropy and orientation sorting of phosphorene nanoflakes under a temperature gradient
We perform molecular dynamics simulations to investigate the motion of phosphorene nanoflakes on a large graphene substrate under a thermal gradient.
Charge transport in a single molecule transistor probed by scanning tunneling microscopy
Using scanning tunneling microscopy and spectroscopy, we investigate the impact of the gate voltage on the electronic levels of CoPc molecules deposited on top of a graphene/SiO2/Si device.
About this collection
This on-going web collection showcases all of the HOT Nanoscale articles published in 2018, as recommended by referees. Congratulations to all of the authors whose articles are featured.