Themed collection 2019 Nanoscale HOT Article Collection
A systematical discussion on moist-electric generation from work mechanism, the recent progress in advanced materials to practical applications.
HZIF-based hybrids for electrochemical energy applications
Hybrid zeolitic imidazolate frameworks (HZIFs) possess the characteristics of both ZIFs and inorganic zeolites, attracting tremendous attention for their potential applications in electrochemical energy storage and conversion.
Functional supramolecular gels based on pillar[n]arene macrocycles
Recent developments of functional supramolecular gel materials constructed from pillararenes have been overviewed.
Embracing high performance potassium-ion batteries with phosphorus-based electrodes: a review
The ever-increasing global energy demand and rising price of raw materials adopted in currently prevalent lithium ion batteries (LIBs) have boosted the development of potassium ion batteries (KIBs).
MoS2 quantum dots chemically modified with porphyrin for solid-state broadband optical limiters
Tetraphenylporphyrin (TPP) was covalently functionalized to the surface of MoS2 quantum dots (MQDs) to obtain solid-state broadband optical limiters.
Tuning graphene transistors through ad hoc electrostatics induced by a nanometer-thick molecular underlayer
A graphene transistor can reveal the ordering of dipolar molecules forming a nm-thick underlayer, stabilized under an electric field at low temperatures.
The preparation and up-conversion properties of full spectrum CsPbX3 (X = Cl, Br, I) quantum dot glasses
Multi-color up-conversion emission of CsPbX3 (X = Cl, Br, I) quantum dot glasses under two-photon excitation.
Strong-coupled hybrid structure of carbon nanotube and MoS2 monolayer with ultrafast interfacial charge transfer
A strong-coupled nanotube-MoS2 hybrid structure is constructed, which shows strong coupling and ultrafast charge transfer across the interface.
Mass loading effects in the acoustic vibrations of gold nanoplates
Changes in vibrational frequencies for Au nanoplates have been used for mass sensing with a detection limit of 10 attograms.
Nanogrooved microdiscs for bottom-up modulation of osteogenic differentiation
Novel disc-like microparticles, herein termed as “topodiscs”, with grooved surface nanotopography effectively enhanced cell culture and allowed for a bottom-up engineering of 3D mineralized microtissues.
Glass stabilized ultra-stable dual-emitting Mn-doped cesium lead halide perovskite quantum dots for cryogenic temperature sensing
Mn(II) doping into a CsPb(Cl/Br)3 perovskite lattice is realized via an in situ glass crystallization strategy for the first time.
Band engineering at the interface of all-inorganic CsPbI2Br solar cells
An all-inorganic CsPbI2Br perovskite with excellent phase stability and thermal stability has been considered to be a promising candidate for photovoltaic application.
Tin diselenide van der Waals materials as new candidates for mid-infrared waveguide chips
Near-field imaging of mid-infrared waveguide in SnSe2 slabs promotes two-dimensional van der Waals materials as building blocks for integrated MIR chips.
Selective pericellular hydrogelation by the overexpression of an enzyme and a membrane receptor
A strategy for the selectively pericellular hydrogelation via a mechanism that involves alkaline phosphatase expressed outside the cells and CCK2R expressed in the cell membrane.
Thermal-assisted self-assembly: a self-adaptive strategy towards large-area uniaxial organic single-crystalline microribbon arrays
Uniaxial organic single-crystalline microribbon arrays were produced by a novel self-adaptive thermal-assisted self-assembly strategy.
Self-Z-scheme plasmonic tungsten oxide nanowires for boosting ethanol dehydrogenation under UV-visible light irradiation
Plasmonic WO3−x with self-Z-scheme structure leads to a synergetic effect of combined UV and visible irradiation to boost ethanol dehydrogenation for aldehyde generation.
Cu nanowire-catalyzed electrochemical reduction of CO or CO2
We prepared micrometer long Cu nanowires (NWs) of 25 and 50 nm diameters and studied their electrocatalysis for electrochemical reduction of CO/CO2 in 0.1 M KHCO3 at room temperature.
Catalytic hydrogen evolution reaction on “metal-free” graphene: key role of metallic impurities
Molecular hydrogen is widely considered as a potential carbon-free and renewable energy carrier for a sustainable energy strategy. Carbon nanotubes are widely promoted as metal-free catalysts – however, we show that the metallic impurities drive hydrogen production.
Ternary PtRuCu aerogels for enhanced methanol electrooxidation
Ternary PtRuCu aerogels were facilely synthesized by one-step in situ reduction, which exhibited good electrochemical performance for methanol oxidation.
Glucose regulation by modified boronic acid-sulfobetaine zwitterionic nanogels – a non-hormonal strategy for the potential treatment of hyperglycemia
We synthesized a new glucose-responsive nanogel and demonstrated its potential as a non-hormonal treatment strategy for regulating blood glucose level.
Supramolecular steric hindrance effect on morphologies and photophysical behaviors of spirocyclic aromatic hydrocarbon nanocrystals
With a variable SSH effect between bulky groups and pyrene rings, three distinct nanocrystal morphologies with unique photoluminescence properties were realized.
Distinct photophysical properties in atom-precise silver and copper nanocluster analogues
A pair of atom-precise luminescent copper/silver-thiolate cluster analogues, Cu17 and Ag17 were assembled by bottom-up synthesis and cluster-to-cluster conversion. Metal-atom exchange induced the redshift of the optical absorption and blueshift of emission of Ag17 in the solid-state compared to that of Cu17.
Scalable synthesis of FeS2 nanoparticles encapsulated into N-doped carbon nanosheets as a high-performance sodium-ion battery anode
Nanostructured FeS2 embedded in an N-doped carbon nanosheet composite (FeS2/CNS) was prepared and exhibited superior performance as a sodium-ion battery anode.
Ultraviolet-pumped white light emissive carbon dot based phosphors for light-emitting devices and visible light communication
UV-pumped white light emissive carbon dot based phosphors produced by homogeneously embedding RGB emissive carbon dots in a silica matrix.
Critical role of metal ions in surface engineering toward brightly luminescent and stable cesium lead bromide perovskite quantum dots
A facile metal ions-assistant ligand surface engineering strategy to synchronously boost photoluminescence quantum yield and stability of CsPbBr3 PQDs.
Nanoparticles affect bacterial colonies’ optical diffraction patterns
Distinct optical diffraction patterns of bacterial colonies in response to SPIONs with various concentrations and surface chemistries are formed.
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.
Flexible and fully implantable upconversion device for wireless optogenetic stimulation of the spinal cord in behaving animals
A flexible, implantable upconversion device is reported as an all-optical solution for wireless optogenetic stimulation of spinal cord tissue in freely moving rodents, adding to the current toolsets of wireless optogenetics giving possibilities for remote neural modulation.
Efficient electrocatalytic conversion of N2 to NH3 on NiWO4 under ambient conditions
NiWO4 was prepared through a facile and large-scale strategy, and exhibited superior electrocatalytic performance, relative to NiO and WO3, for the nitrogen reduction reaction in both acidic and alkaline media at room temperature.
Accelerated polysulfide conversion on hierarchical porous vanadium–nitrogen–carbon for advanced lithium–sulfur batteries
Hierarchical porous V–N–C with V–Nx sites demonstrates enhanced catalytic activity for polysulfide conversion, and thus shows excellent performance in Li–S batteries.
Tuning the catalytic properties of P22 nanoreactors through compositional control
Fine-tuning of the catalytic activity of enzyme based P22 nanoreactors through compositional control.
Metal single-atom coordinated graphitic carbon nitride as an efficient catalyst for CO oxidation
Metal single-atom coordinated graphitic carbon nitride exhibits excellent catalytic activity toward CO oxidation.
Synthesis of Bi4Ti3O12 decussated nanoplates with enhanced piezocatalytic activity
Bi4Ti3O12 decussated nanoplates were successfully synthesized by a novel template hydrothermal method, which show an excellent piezocatalytic performance.
Highly stable hetero-structured green-emitting cesium lead bromide nanocrystals via ligand-mediated phase control
Ligand-mediated phase control of cesium lead bromide nanocrystals provides insights into the origin of stable green emission of Cs4PbBr6 nanocrystals.
Graphene oxide mediated co-generation of C-doping and oxygen defects in Bi2WO6 nanosheets: a combined DRIFTS and DFT investigation
The co-generation of C-doping and oxygen vacancies (OVs) in Bi2WO6 nanosheets was achieved by a graphene oxide-mediated hydrothermal method. The photocatalytic performance was highly promoted in NO removal with the synergistic effects of C-doping and OVs.
Tandem catalysis in multicomponent solvent-free biofluids
The core–shell architecture of biohybrid enzymes facilitates construction of multifunctional biofluids which display extremophilic traits in total absence of solvent.
Polarization-dependent electric potential distribution across nanoscale ferroelectric Hf0.5Zr0.5O2 in functional memory capacitors
Using standing-waves in HAXPES technique, we reveal non-linear electrostatic potential profile across nanoscale ferroelectric (FE) HfZrO4 layer in memory capacitors for both polarization directions, implying the drift of non-FE charges at interfaces.
Plant-derived chlorophyll derivative loaded liposomes for tri-model imaging guided photodynamic therapy
In this work, a liposome-encapsulated chlorophyll derivative pyropheophorbide acid (PPa) (liposome/PPa) nanoparticles are designed for tri-model imaging guided photodynamic therapy (PDT) of cancer.
Single molecule force spectroscopy reveals that the oxidation state of cobalt ions plays an important role in enhancing the mechanical stability of proteins
The binding of Co(III) to the bi-histidine metal chelation site significantly enhances protein's mechanical stability.
Two-dimensional MgX2Se4 (X = Al, Ga) monolayers with tunable electronic properties for optoelectronic and photocatalytic applications
Two new two-dimensional (2D) layered materials, namely, MgX2Se4 (X = Al, Ga) monolayers, are predicted to possess novel electronic properties.
Self-template synthesis of defect-rich NiO nanotubes as efficient electrocatalysts for methanol oxidation reaction
Gram-grade defect-rich NiO nanotubes were synthesized by a facile self-template method, which exhibited an outstanding electrocatalytic activity (85.9 A g−1) and stability for the methanol oxidation reaction.
Synthesis of tunable DNA-directed trepang-like Au nanocrystals for imaging application
Trepang-like gold nanocrystals with tunable plasmonic property were synthesized via the DNA-directed self-assembly method for various imaging applications.
The nanoGRAVUR framework to group (nano)materials for their occupational, consumer, environmental risks based on a harmonized set of material properties, applied to 34 case studies
Grouping can replace animal testing to demonstrate the safe use of nanomaterials, but previously case studies were missing.
Flexible all-in-one zinc-ion batteries
Flexible all-in-one ZIBs exhibit excellent physical flexibility and stable electrochemical performance under different mechanical deformations.
Multi-scale magnetic coupling of Fe@SiO2@C–Ni yolk@triple-shell microspheres for broadband microwave absorption
Magnetic core@shell and yolk@shell microspheres have received extensive attention; however, the realization of microwave performance enhancement remains a critical challenge for their actual applications.
Chemistry of cysteine assembly on Au(100): electrochemistry, in situ STM and molecular modeling
Unique two-dimensional super-structures form when cysteine self-assembles on single-crystal Au(100) due to inter-molecular forces and adsorption energetics, addressed through a comprehensive experimental and quantum computational approach.
An Al2O3 coating layer on mesoporous Si nanospheres for stable solid electrolyte interphase and high-rate capacity for lithium ion batteries
A simple and one-pot replacement reaction route was designed to produce an Al2O3 layer anchored on mesoporous Si nanospheres by employing Al nanospheres with a naturally formed Al2O3 layer as a reducing agent and self-sacrificial template.
Facile in situ synthesis of ultrasmall near-infrared-emitting gold glyconanoparticles with enhanced cellular uptake and tumor targeting
Ultrasmall gold glyconanoparticles with enhanced tumor-targeting efficiency and efficient clearance through both renal and hepatobiliary pathways.
Thermal management applied laminar composites with SiC nanowires enhanced interface bonding strength and thermal conductivity
Thermal management applied laminar composites with enhanced interface bonding strength and thermal conductivity were fabricated through a pressure infiltration method.
Turbostratic carbon-localised FeS2 nanocrystals as anodes for high-performance sodium-ion batteries
FeS2–C nano-network containing localised FeS2 nanocrystals wrapped by a t-carbon framework enables FeS2/C hybridizations to maintain structural stability upon cycling and shortens the electrons/ions diffusion paths for a high rate capability.
Glioma-targeted dual functionalized thermosensitive Ferri-liposomes for drug delivery through an in vitro blood–brain barrier
With the combination of thermosensitive liposome and an external AMF, SPIONs inside the liposome can therefore transform the electromagnetic energy to heat and trigger drug release at desired temperature.
Rational design and facile fabrication of biocompatible triple responsive dendrimeric nanocages for targeted drug delivery
We developed a biocompatible triple-responsive dendrimeric nanocage (TDN) through a simple method for targeted drug delivery.
High efficiency solar cells tailored using biomass-converted graded carbon quantum dots
The photovoltaic performances of solar cells have been significantly improved by incorporating biomass-converted carbon quantum dots with graded energy levels into sensitized devices.
Direct cation exchange of CdSe nanocrystals into ZnSe enabled by controlled binding between guest cations and organic ligands
Direct cation exchange from CdSe to ZnSe is possible by controlling the complexation energy between Zn halides and organic ligands.
Resonance energy transfer and quantum entanglement mediated by epsilon-near-zero and other plasmonic waveguide systems
We present enhanced Förster resonance energy transfer and prolonged efficient quantum entanglement between optical qubits separated by long-range distances mediated by epsilon-near-zero plasmonic waveguides.
MnFe2O4-decorated large-pore mesoporous silica-coated upconversion nanoparticles for near-infrared light-induced and O2 self-sufficient photodynamic therapy
Upconversion hybrid theranostic nanoplatform for near-infrared light-induced and O2 self-sufficient photodynamic therapy.
A labyrinth-like network electrode design for lithium–sulfur batteries
A 3D labyrinth-like electrode design to tackle the dissolution of polysulfides into the electrolyte and the large volume expansion of sulphur in Li–S batteries.
Coordination controlled electrodeposition and patterning of layers of palladium/copper nanoparticles on top of a self-assembled monolayer
Electrochemical reduction of Pd-ions coordinated to a thiol self-assembled monolayer controls Cu deposition from the bulk electrolyte.
One-core-atom loss in a gold nanocluster promotes hydroamination reaction of alkynes
Au24 without a core atom exhibits higher activity in the intramolecular hydroamination of alkynes than Au25 with the core atom.
SnS2/SnS p–n heterojunctions with an accumulation layer for ultrasensitive room-temperature NO2 detection
SnS2/SnS p–n heterojunctions with an accumulation layer were rationally designed to achieve ultrasensitive NO2 detection at room temperature.
Enhanced polarization from flexible hierarchical MnO2 arrays on cotton cloth with excellent microwave absorption
Well-designed CC@MnO2 (α phase instead of δ phase) exhibits the best absorption performance (−53.2 dB).
Simultaneous enzyme mimicking and chemical reduction mechanisms for nanoceria as a bio-antioxidant: a catalytic model bridging computations and experiments for nanozymes
The newly created surface defect states in the electronic band structures of the shortly-lived intermediate species, called transient surface defect states, bridge between computations and experiments at the atomistic level for nanozymes.
Intermetallic SnSb nanodots embedded in carbon nanotubes reinforced nanofabric electrodes with high reversibility and rate capability for flexible Li-ion batteries
Free-standing and flexible SnSb-CNTs@NCNFs electrodes are prepared and exhibit excellent electrochemical performances for lithium ion batteries.
A highly active (102) surface-induced rapid degradation of a CuS nanotheranostic platform for in situ T1-weighted magnetic resonance imaging-guided synergistic therapy
CuS nanocrystals with pH and near-infrared light-triggered degradation properties are promising nanotheranostic platform for in situ T1-weighted MRI guided synergistic therapy of cancer.
Heterostructured SnS/TiO2@C hollow nanospheres for superior lithium and sodium storage
Hollow SnS/TiO2@C nanospheres with high-performance originating from the built-in electric field introduced by SnS/TiO2 heterostructures for fast ion diffusion.
Scalable synthesis of self-assembled bimetallic phosphide/N-doped graphene nanoflakes as an efficient electrocatalyst for overall water splitting
A bimetallic phosphide electrocatalyst is synthesized through a scalable approach, showing high efficiency in the HER, OER and overall water splitting.
Thermally enhanced NIR–NIR anti-Stokes emission in rare earth doped nanocrystals
Surface phonons enhancing the one-photon anti-Stokes fluorescence has been demonstrated in rare earth doped nanocrystals.
High-efficiency transformation of amorphous carbon into graphite nanoflakes for stable aluminum-ion battery cathodes
The highly efficient catalyst-free, eco-friendly and low-temperature graphitization process is a novel strategy for achieving the conversion of amorphous carbon precursors into graphite.
Electrospraying preparation of metal germanate nanospheres for high-performance lithium-ion batteries and room-temperature gas sensors
Metal germanate nanospheres including Ca2Ge7O16, Zn2GeO4 and SrGe4O9 were prepared by a facile and large-scale electrospraying process. They have potential applications in lithium-ion batteries and room temperature ammonia gas sensors.
Induction of mTOR-dependent autophagy by WS2 nanosheets from both inside and outside of human cells
Both the cell surface adhesion and cell internalization of WS2 nanosheets induce mTOR-dependent autophagy.