Plasmonically enabled two-dimensional material-based optoelectronic devices
The recent progress in the use of surface plasmons to improve the performance of two-dimensional material-based optoelectronic devices is discussed.
Phototherapy with layered materials derived quantum dots
This review highlights the recent progress of various layered nanomaterials based quantum dots (QDs) for photodynamic and photothermal therapy.
Quantum dot approaches for target-based drug screening and multiplexed active biosensing
This mini-review highlights recent advances in quantum dot-based drug screening and bioanalytical sensing.
Nanoparticle formulated vaccines: opportunities and challenges
The advancement in nanotechnology brings in unique opportunities to meet the challenges in immunology and vaccine development.
Monodisperse nanoparticles for catalysis and nanomedicine
Monodisperse nanoparticles are successful model systems for understanding structure–property relationships at the nanoscale and applications like catalysis and nanomedicine.
Recent advances in developing high-performance nanostructured electrocatalysts based on 3d transition metal elements
Versitle strategies for devoloping high-performance nanostructured electrocatalysts based on 3d transition metal elements have been reviewed.
Nanopatterned polymer brushes: conformation, fabrication and applications
Nanopatterned polymer brushes provide versatile platforms for investigation of nanoscale phenomena at biointerfaces and for a wide range of applications in biotechnology and electronics.
Small molecule-decorated gold nanoparticles for preparing antibiofilm fabrics
By using ultrasound-assisted coating technology, we modified fabrics with N_Au NPs to fabricate antibiofilm fabrics.
Rich topologies of monolayer ices via unconventional electrowetting
Accurate manipulation of a substance on the nanoscale and ultimately down to the level of a single atom or molecule is an ongoing subject of frontier research.
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.
Photocatalytic activity of exfoliated graphite–TiO2 nanoparticle composites
We report the photocatalytic performance of composites prepared in a one-step process by liquid phase exfoliation of graphite and TiO2 at atmospheric pressure and in water, without heat or surfactants, starting from low-cost commercial reagents.
A facile synthetic approach to nanostructured Li2S cathodes for rechargeable solid-state Li–S batteries
We report a facile and scalable microwave approach to directly synthesize nanostructured Li2S which presents an ideal architecture for the construction of free-standing cathodes for all-solid-state Li–S batteries.
Hypoxia-induced biosynthesis of gold nanoparticles in the living brain
While a large number of studies deal with biomedical applications of various types of nanoparticles synthesized using wet chemistry, we propose the concept of targeted biosynthesis of nanoparticles in the living brain.
Plasmonic bimetallic nanodisk arrays for DNA conformation sensing
The integration of large-scale 2D bimetallic Ag/Au nanodisk arrays with gold nanoparticles is developed for sensing DNA conformation with the assistance of 3D finite-difference time-domain simulation.
A silk-based sealant with tough adhesion for instant hemostasis of bleeding tissues
Marine mussels harness catechol-rich foot proteins with hierarchically assembled nanostructures to achieve robust adhesion in the dynamic underwater environment.
O2 as a molecular probe for nonradiative surface defects in CsPbBr3 perovskite nanostructures and single crystals
Surface defects and environmental conditions affect the physical properties of CsPbBr3 perovskites differently, based on the materials dimensionality, despite their ‘defect tolerant’ electronic structure.
High Curie-temperature intrinsic ferromagnetism and hole doping-induced half-metallicity in two-dimensional scandium chlorine monolayers
Two-dimensional scandium chlorine monolayers: high Curie-temperature intrinsic ferromagnetism and hole doping-induced half-metallicity.
Size-tunable rhodium nanostructures for wavelength-tunable ultraviolet plasmonics
The localized surface plasmon resonance of Rh nanocubes red-shifts in the UV region with increasing size.
Stable, concentrated, biocompatible, and defect-free graphene dispersions with positive charge
Cationic pyrene derivatives were studied for exfoliation and stabilisation of graphene in water. The high concentration, stability, biocompatibility and cellular uptake of the dispersions make them attractive for biomedical applications.
Comparative characterisation of non-monodisperse gold nanoparticle populations by X-ray scattering and electron microscopy
A cross-method comparison for quasi-monodisperse, polydisperse and bimodal gold nanoparticles of 2–7 nm in diameter between conventional image analysis of transmission electron micrographs and small-angle X-ray scattering with form-free Monte Carlo fitting.
In situ TEM observation of the vapor–solid–solid growth of <00> InAs nanowires
The VSS growth of InAs <00> nanowires has been observed at the atomic level in the in situ TEM heating.
Protein corona fingerprinting to differentiate sepsis from non-infectious systemic inflammation
Exploitation of the nanoparticle protein corona to identify proteomic fingerprints in blood that differentiate non-bacterial systemic inflammation from sepsis.
Ligand exchange on Au38(SR)24: substituent site effects of aromatic thiols
Ligand exchange on Au38(SR)24 with 21 different thiols reveals the substituent site effects of ligands on nanocluster transformation, and “anagostic” interactions are observed.
Metal ions modulation of the self-assembly of short peptide conjugated nonsteroidal anti-inflammatory drugs (NSAIDs)
Naproxen-FF shows superb responsiveness to multiple metal ions and its assembly capacity is obviously improved due to its methoxy group.
Water-soluble silicon nanocrystals as NIR luminescent probes for time-gated biomedical imaging
In vivo studies demonstrated tumor accumulation of luminescent SiNCs, 48 hours clearance and a 3-fold improvement of signal-to-noise ratio in time-gated imaging compared to steady-state acquisition, demonstrating their potentiality for luminescence guided surgery.
Dehydrocoupling – an alternative approach to functionalizing germanium nanoparticle surfaces
Schematic representation of dehydrocoupling of H-GeNPs with alkylsilanes, and Electron Energy Loss Spectroscopy (EELS) line scan of alkylsilane passivated GeNPs showing Si on the surface and Ge in the core.
Effect of lattice mismatch and shell thickness on strain in core@shell nanocrystals
Bimetallic nanocrystals with core@shell architectures are versatile particles. Geometric phase analysis of TEM images and atomistic simulations are coupled to reveal the lattice relaxation as a function of lattice mismatch and shell thickness.
Decoration of upconversion nanocrystals with metal sulfide quantum dots by a universal in situ controlled growth strategy
Multifunctional NaYF4:Yb/Er@CS@Mn+S (M = Ag, Cu, Cd) nanocomposites could be prepared by a universal in situ controlled growth strategy.
Controlling protein interactions in blood for effective liver immunosuppressive therapy by silica nanocapsules
Silica nanocapsules are engineered to display controlled blood protein interactions for liver immunosuppressive therapy.
Antenna-coupled vacuum channel nano-diode with high quantum efficiency
Vacuum channel diodes have the potential to serve as a platform for converting free-space electromagnetic radiation into electronic signals within ultrafast timescales.
Broadband SERS detection with disordered plasmonic hybrid aggregates
Plasmonic nanostructures possessing broadband intense field enhancement over a large area are highly desirable for nanophotonic and plasmonic device applications.
Electrocatalytic glycerol oxidation enabled by surface plasmon polariton-induced hot carriers in Kretschmann configuration
Surface plasmon polariton-induced hot carriers facilitate glycerol electro-oxidation.
Defect-enriched tunability of electronic and charge-carrier transport characteristics of 2D borocarbonitride (BCN) monolayers from ab initio calculations
Development of inexpensive and efficient photo- and electro-catalysts is vital for clean energy applications.
Colloidal plasmonic nanostar antennas with wide range resonance tunability
Gold nanostars with six branches and high shape anisotropy can be optically modeled and synthesized with high monodispersity providing a truly tridimensional plasmonic nanoantenna.
Silver nanowire inks for direct-write electronic tattoo applications
A water-based silver nanowire ink for the room temperature printing of highly conductive traces onto biological and nonplanar surfaces.
The role of trace Ag in the synthesis of Au nanorods
Au nanorod length growth rate is directly proportional to the nanorod Ag surface coverage.
A clear solution: semiconductor nanocrystals as photoinitiators in solvent free polymerization
Semiconductor nanocrystals are shown as highly efficient quantum photoinitiators for solvent-and-additive-free polymerization with micromolar loading, surpassing traditional organic initiators. The new quantum photoinitiators demonstrate a two-photon polymerization capacity, allowing multi-functional microprinting.
Liquid phase exfoliation of MoO2 nanosheets for lithium ion battery applications
Molybdenum dioxide (MoO2) is a layered material which shows promise for a number of applications in the electrochemical energy storage arena. This work describes the production of molybdenum dioxide nanosheets by liquid phase exfoliation.
Metal-dependent inhibition of amyloid fibril formation: synergistic effects of cobalt–tannic acid networks
Cobalt–tannic acid-coated gold nanoparticles are found to better inhibit amyloid fibril formation than other metal-based tannic acid-coated particles.
Aluminum nanostructures with strong visible-range SERS activity for versatile micropatterning of molecular security labels
A ciphertext-embedded machine-readable micro-QR code is constructed using structurally uniform visible-range SERS-active Al nanostructures with an average SERS enhancement factor of >104.
Unravelling the energy transfer of Er3+-self-sensitized upconversion in Er3+–Yb3+–Er3+ clustered core@shell nanoparticles
The interplay on enhancing and quenching effects between Er3+ and Yb3+ dopant clusters in self-sensitized core@shell nanoparticles is studied.
Ion transport in gel and gel–liquid systems for LiClO4-doped PMMA at the meso- and nanoscales
Ionic transport in gel electrolytes at the nano- and mesoscales is explored experimentally using single pores.
A novel type of quantum dot–transferrin conjugate using DNA hybridization mimics intracellular recycling of endogenous transferrin
A novel conjugate of QD–transferrin assembled by DNA hybridization for long-duration imaging in live-cells.
Composition- and phase-controlled synthesis and applications of alloyed phase heterostructures of transition metal disulphides
1T/2H Mo1−xWxS2 phase-heterostructures were prepared via a one-step liquid-phase method, and showed composition- and phase-dependent electrochemical and electronic properties.
Shell effects on hole-coupled electron transfer dynamics from CdSe/CdS quantum dots to methyl viologen
Electron transfer (ET) dynamics from the 1Se electron state in quasi-type II CdSe/CdS core/shell quantum dots (QDs) to adsorbed methyl viologen (MV2+) were measured using femtosecond transient absorption spectroscopy.
Measuring binding kinetics of aromatic thiolated molecules with nanoparticles via surface-enhanced Raman spectroscopy
The binding kinetics of aromatic thiolated molecules were investigated via surface-enhanced Raman spectroscopy measurements. Analysis of time-resolved spectral features reveal rich information related to molecular bonding and orientation during chemisorption.
Thermal/electron irradiation assisted coalescence of Sc3N@C80 fullerene in carbon nanotube and evidence of charge transfer between pristine/coalesced fullerenes and nanotubes
Encapsulation of an Sc3N@C80 molecule in a CNT changes the oxidation state of the Sc atoms from 2.5 towards +3.
About this collection
A selection of research from the Nanoscale Horizons Advisory Board