Themed collection 2020 Nanoscale HOT Article Collection
Traps in metal halide perovskites: characterization and passivation
Understanding and passivating the traps in metal halide perovskites for the fabrication of more stable and efficient devices.
Topochemical synthesis of low-dimensional nanomaterials
Over the past several decades, nanomaterials have been extensively studied owing to having a series of unique physical and chemical properties that exceed those of conventional bulk materials.
Interfacial control and design of conductive nanomaterials for transparent nanocomposite electrodes
Facile charge transfer-modulated interfacial control and design for the development of high-performance transparent nanocomposite electrodes.
Luminescent lanthanide metal–organic framework nanoprobes: from fundamentals to bioapplications
This minireview summarizes the recent advances in the emerging field of luminescent Ln-MOF nanoprobes, covering from fundamental insights to bioapplications.
A mini-review: emerging all-solid-state energy storage electrode materials for flexible devices
New technologies for future electronics such as personal healthcare devices and foldable smartphones require emerging developments in flexible energy storage devices as power sources.
Plant celluloses, hemicelluloses, lignins, and volatile oils for the synthesis of nanoparticles and nanostructured materials
A huge variety of plants are harvested worldwide and their different constituents can be converted into a broad range of bionanomaterials.
Advanced electrocatalysts based on two-dimensional transition metal hydroxides and their composites for alkaline oxygen reduction reaction
The progress in developing advanced electrocatalysts mainly based on two-dimensional hydroxides and their composites for alkaline oxygen reduction reaction is reviewed.
Key considerations in designing CRISPR/Cas9-carrying nanoparticles for therapeutic genome editing
CRISPR-Cas9, the breakthrough genome-editing technology, has emerged as a promising tool to prevent and cure various diseases.
Self-assembled nitride–metal nanocomposites: recent progress and future prospects
Self-assembled nitride–metal nanocomposites offering flexible geometrical control and tunable functionalities towards metamaterial design and nanophotonic devices.
Circularly polarized luminescence of nanoassemblies via multi-dimensional chiral architecture control
Circularly polarized luminescence (CPL) is currently an important chiroptical properties among chiral systems. By tuning the dimensional architectures of nanoassemblies, the CPL properties could be effectively tuned and boosted.
Recent advances in research on anodes for safe and efficient lithium–metal batteries
Recent study results on lithium metal anodes are systematically analyzed to sort out hints for the battery research community to tackle the key challenges facing the practical commercialization of lithium–metal batteries.
Ice-assisted synthesis of functional nanomaterials: the use of quasi-liquid layers as nanoreactors and reaction accelerators
Ice-assisted synthesis for the development of tailor-made materials with desired morphology and properties.
Recent advances in engineering active sites for photocatalytic CO2 reduction
This review highlights recent advances in the strategies for engineering active sites on surfaces and in open frameworks toward photocatalytic CO2 reduction.
Recent advances in solution-processed photodetectors based on inorganic and hybrid photo-active materials
In this review, the progress in photodetector devices focusing on inorganic and hybrid photo-active materials by low cost wet-chemistry methods, which will bring about the prospect of a new era, has been carefully summarized.
Functional supramolecular gels based on pillar[n]arene macrocycles
Recent developments of functional supramolecular gel materials constructed from pillararenes have been overviewed.
Photocorrosion inhibition of CdS-based catalysts for photocatalytic overall water splitting
The urgent need for clean and renewable energy drives the exploration of effective strategies to produce hydrogen.
An in situ and real time study of the formation of CdSe NCs
In situ studies are crucial to demonstrate that magic-size clusters are always intermediates in the formation of regular NCs.
High broadband photoconductivity of few-layered MoS2 field-effect transistors measured using multi-terminal methods: effects of contact resistance
Among layered 2D semiconductors, MoS2 is an excellent candidate for applications in optoelectronics and integrated circuits due to its layer-dependent tunable bandgap, high ON/OFF current ratio in FETs and strong light–matter interaction.
An energy efficient bi-functional electrode for continuous cation-selective capacitive deionization
A high desalination rate with low energy consumption was enabled using a bi-functional Na2VTi(PO4)3@C electrode in symmetrical cation-selective CDI.
Salient features of medical nanoparticles in biological fluids from an analytical ultracentrifuge
Deciphering the behavior of degradable nanoparticles in biological fluids is demonstrated by interference-free assessment. The resultant vastly different erosion characteristics provide a necessary stepping stone for their design toward translation.
Molecular hot spots in surface-enhanced Raman scattering
This work reports that aromatic molecules adsorbed on the Au surface can create “molecular hot spots” for electromagnetic enhancement of surface-enhanced Raman scattering.
On the identification of twinning in body-centred cubic nanoparticles
This Communication describes diagnostic approaches to identify BCC twinning based on shape as well as electron microscopy and diffraction signatures.
A defective g-C3N4/RGO/TiO2 composite from hydrogen treatment for enhanced visible-light photocatalytic H2 production
g-C3N4/RGO/TiO2 with nitrogen and oxygen vacancies possesses an efficient H2 evolution rate, which exceeds that of g-C3N4/RGO/TiO2 without vacancy defects.
In vivo live imaging of bone using shortwave infrared fluorescent quantum dots
Bone plays an increasingly critical role in human health and disease.
Supramolecular assembly of DNA-constructed vesicles
The self-assembly of DNA hybrids with tetraphenylethylene sticky ends into vesicular architectures is demonstrated.
The formation and shape transformation mechanism of a triangular Au nanoplate revealed by liquid-cell TEM
Direct liquid-cell TEM investigations highlight the significance of thermodynamics and kinetics during the formation and growth of a Au triangular nanoplate.
Elucidating the mechanism of the surface functionalization dependent neurotoxicity of graphene family nanomaterials
Differentially functionalized graphene caused different neurotoxicities. G-COOH, G-OH, and RGO induced more severe acute toxicity than G-NH2, while G-NH2 caused more persistent toxicity and more disturbance of the cellular metabolism.
Exciplex emissive supramolecular polymer formed by tuning molecular conformation
The strong exciplex emission of the supramolecular polymer I with yellow emission was a consequence of the intramolecular charge transfer interactions in a mixed DMSO/H2O (60 : 40–1 : 99 v/v) solution.
Rational design of MXene@TiO2 nanoarray enabling dual lithium polysulfide chemisorption towards high-performance lithium–sulfur batteries
A novel heterostructure consisting of highly ordered TiO2 nanoarrays grown on the MXene nanosheets displays formidable dual chemisorption capability to trap polysulfides and superior electrochemical performance for Li–S batteries.
Quantitative determination of mechanical stability in the novel coronavirus spike protein
Unveiling the nanomechanical stability of the novel coronavirus (SARS-CoV-2) spike protein
A combination of an organic alloy and a heterojunction towards a rod–tail helix architecture with dual-color-emitting properties
An unprecedented core–shell structure was constructed by a co-assembly process. The organic alloy BA0.72BN0.28 can deposit on the BA rod via a solution-epitaxy first and then spread out at the tip by turning it into its original helical morphology.
A stimulated liquid–gas phase transition nanoprobe dedicated to enhance the microwave thermoacoustic imaging contrast of breast tumors
Microwave-induced thermoacoustic imaging (MTAI), combining the advantages of the high contrast of microwave imaging and the high resolution of ultrasonic imaging, is a potential candidate for breast tumor detection.
Bimetallic MOF-derived hollow ZnNiC nano-boxes for efficient microwave absorption
A hollow bimetallic metal organic framework was pyrolyzed to fabricate hollow ZnNiC nanocomposites for efficient microwave absorption.
In situ construction of a self-assembled AIE probe for tumor hypoxia imaging
A novel hypoxia-responsive fluorescent probe of a hydrophilic azobenzene containing copolymer combined with a carbamate linkage and anionic water-soluble tetraphenylethene by using the in situ self-assembly concept for tumor hypoxia imaging is reported.
A novel αvβ3 integrin-targeted NIR-II nanoprobe for multimodal imaging-guided photothermal therapy of tumors in vivo
A novel NIR-II probe QT-RGD consisting of a NIR-II fluorophore and two tumor-targeting cyclic-RGD peptides was reported. In vitro and in vivo studies show that it could be successfully used for multimodal NIR-II/PA/SPECT imaging and photothermal therapy of malignant tumor.
Ligand-assisted capping growth of self-supporting ultrathin FeNi-LDH nanosheet arrays with atomically dispersed chromium atoms for efficient electrocatalytic water oxidation
Ligand-assisted capping grown ultrathin FeNi-LDH nanosheet arrays with atomically dispersed Cr atoms afford an exceptional activity for the oxygen evolution reaction.
Optomechanical resonating probe for very high frequency sensing of atomic forces
An optomechanical probe is introduced that operates at very high frequency, opening up a pathway to the measurement of atomic forces at shorter timescale.
Penetration of the blood–brain barrier and the anti-tumour effect of a novel PLGA-lysoGM1/DOX micelle drug delivery system
a) Diagram depicting the preparation of drug delivery system of PLGA-lysoGM1/DOX micelles. b) Schematic illustration of micelles elicited antitumor. c) Micelles cross BBB via micropinocytosis and autophagy/lysosomal pathways.
Hybrid polymer/porous silicon nanofibers for loading and sustained release of synthetic DNA-based responsive devices
Synthetic DNA-based oligonucleotides are loaded into porous silicon nanoparticles and incorporated into polymer nanofibers. The functionality of these input-responsive nanodevices is retained following release from the hybrid nanofibers.
AIE nanodots scaffolded by mini-ferritin protein for cellular imaging and photodynamic therapy
A new type of AIE nanodots has been fabricated for both cell imaging and photodynamic therapy via a simple method using a highly negatively charged mini-ferritin protein as the scaffold.
Ultra-broadband photon harvesting in large-area few-layer MoS2 nanostripe gratings
Flat optics photon harvesting, based on cm-scale MoS2 nanostripe arrays, induces an ultra-broadband enhancement (≈400%) of optical absorption.
Boosting potassium-storage performance via the functional design of a heterostructured Bi2S3@RGO composite
The potassium storage performance is boosted by virtue of the fabrication of a heterostructure Bi2S3@RGO composite via the visible-light-assisted reaction.
Construction of covalent organic framework with unique double-ring pore for size-matching adsorption of uranium
A new type of COF with a double-ring pore shows a size-matching adsorption effect for uranium with removal rate up to 99.8%.
Enhanced structural and magnetic properties of fcc colloidal crystals of cobalt nanoparticles
We report the elaboration of supercrystals made up of dodecanoic acid-coated 8.1 nm-Co nanocrystals with controlled supercrystallinity, morphology and magnetic properties.
Selective extracellular arginine deprivation by a single injection of cellular non-uptake arginine deiminase nanocapsules for sustained tumor inhibition
Arginine deiminase nanocapsules possessing extremely weak cellular interaction could selectively deprive extracellular arginine to treat argininosuccinate synthetase-deficient tumors efficiently.
Dendritic polyglycerol-conjugated gold nanostars with different densities of functional groups to regulate osteogenesis in human mesenchymal stem cells
dPG@GNS nanocomposites exhibit functional group density-dependent influence on the osteogenesis of MSCs.
Sputter deposition of highly active complex solid solution electrocatalysts into an ionic liquid library: effect of structure and composition on oxygen reduction activity
Complex solid solution electrocatalysts (often called high-entropy alloys) present a new catalyst class with highly promising features due to the interplay of multi-element active sites.
Coenzyme-dependent nanozymes playing dual roles in oxidase and reductase mimics with enhanced electron transport
PEI/ZIF-FMN mediated the electron transfer from NADH to cytochrome c.
Hyperbranched DNA clusters
Intracluster bonds in hyperbranched DNA polymers prevent percolation transition.
The role of ligands in electron transport in nanocrystal solids
Theoretical modeling of wavefunction overlap in nanocrystal solids elucidates the important role played by ligands in electron transport.
A biopolymer-based and inflammation-responsive nanodrug for rheumatoid arthritis treatment via inhibiting JAK-STAT and JNK signalling pathways
An inflammation-responsive nanodrug has been developed for RA therapy through releasing two inhibitors for regulating JAK-STAT and JNK pathways.
Addressable surface engineering for N-doped WS2 nanosheet arrays with abundant active sites and the optimal local electronic structure for enhanced hydrogen evolution reaction
Engineering an addressable surface endows N doped WS2 nanosheet arrays with abundant active sites and an optimal local electronic structure for enhanced hydrogen evolution reaction.
Isolation of DNA aptamers targeting N-cadherin and high-efficiency capture of circulating tumor cells by using dual aptamers
Isolation of anti-N-cadherin DNA aptamers and high-efficiency capture of circulating tumor cells using dual aptamers targeting EpCAM and N-cadherin.
Single molecule force spectroscopy reveals that a two-coordinate ferric site is critical for the folding of holo-rubredoxin
The folding pathway of holo-rubredoxin was elucidated by using optical tweezers-based single molecule force spectroscopy technique. The results revealed the critical importance of the two-coordinate ferric site for the folding of holo-rubredoxin.
Investigation of strain behavior and carrier mobility of organic–inorganic hybrid perovskites: (C4H9NH3)2GeI4 and (C4H9NH3)2SnI4
Two dimensional (2D) organic–inorganic hybrid perovskites have attracted great interest due to their tunable band gap and structural stability.
Understanding metal organic chemical vapour deposition of monolayer WS2: the enhancing role of Au substrate for simple organosulfur precursors
A deconstructed MOCVD model process allows in-operando fingerprinting of the chemical reactions that underpin WS2 monolayer crystal growth, and highlights the enhancing role of Au support in conjunction with simple organosulfide precursors.
In situ fabrication of MS@MnO2 hybrid as nanozymes for enhancing ROS-mediated breast cancer therapy
The reactive oxygen species (ROS)-mediated anti-cancer therapy that shows the advantages of tumor specificity, high curative effect, and less toxic side-effects has powerful potential for cancer treatment.
Ultra-high rate capability of the synergistically built dual nanostructure of NiCo2S4/nickel foam as an electrode in supercapacitors
A dual nanostructure of NiCo2S4/nickel foam is built to achieve an electrode with structure-synergistical contribution from materials and current collectors.
Jahn–Teller distortions boost the ultrahigh areal capacity and cycling robustness of holey NiMn-hydroxide nanosheets for flexible energy storage devices
Holey-NiMn-OH sheets with lattice disorder vertically grown on carbon cloth are synthesized via a solvothermal method for high-performance energy storage.
Carbon nanocage-based nanozyme as an endogenous H2O2-activated oxygenerator for real-time bimodal imaging and enhanced phototherapy of esophageal cancer
The BSA-MnO2/IR820@OCNC nanosystem is a “one for all” system that allows highly efficacious real-time imaging-guided phototherapy of esophageal cancer.
On-surface synthesis of size- and shape-controlled two-dimensional Aun nanoclusters using a flexible fullerene molecular template
Formation of gold nanoclusters within a C60 matrix.
Silver assisted stereo-directed assembly of branched peptide nucleic acids into four-point nanostars
Branched chiral peptide nucleic acids br(4S/R)-PNA with three arms of PNA-C4 strands were constructed on a central chiral core of 4(R/S)-aminoproline as the branching center.
Methanol-derived high-performance Na3V2(PO4)3/C: from kilogram-scale synthesis to pouch cell safety detection
The sodium-ion pouch cells with Na3V2(PO4)3 cathode and hard carbon anode exhibited excellent power capability with a long lifespan.
Preparation of periodic mesoporous organosilica with large mesopores using silica colloidal crystals as templates
Periodic mesoporous organosilicas with precisely controlled pore sizes (>10 nm) were prepared using silica colloidal crystals as a template.
Enhanced nanoparticle rejection in aligned boron nitride nanotube membranes
We demonstrate enhanced rejection of nanoparticles and higher water permeance by boron nitride nanotube membranes compared to carbon nanotube ones.
Structure–activity prediction networks (SAPNets): a step beyond Nano-QSAR for effective implementation of the safe-by-design concept
SAPNet, a network of meta-models that is built layer by layer from the endpoint (e.g. toxicity or other properties of interest) to descriptors that describe the structure.
Mapping the capacitance of self-assembled monolayers at metal/electrolyte interfaces at the nanoscale by in-liquid scanning dielectric microscopy
The specific capacitance of ultrathin organic self-assembled monolayers at metal/electrolyte interfaces is measured with nanoscale spatial resolution.
Engineered liquid crystal nano droplets: insights from multi-scale simulations
We propose a meso-scale approach that combines the strengths of continuum theory and coarse-grained molecular simulations.
Ion-specific clustering of metal–amphiphile complexes in rare earth separations
SAXS reveals the specific effect of anions and lanthanide ions on the hierarchical structure of complex fluids in liquid-liquid extraction. The anion-dependency of the mesostructure indicates different lanthanide extraction mechanisms.
Cubic nano-silver-decorated manganese dioxide micromotors: enhanced propulsion and antibacterial performance
A novel strategy for combating bacteria is proposed based on MnO2@Ag micromotors. Due to synergistic reaction of MnO2 and Ag, rapid movement was realized and an enhanced E. coli death was achieved by coupling intense motion with Ag+ sterilization.