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IOP A community website from IOP Publishing in the lab


2: Optical sensing and imaging beyond the diffraction limit

Pablo Alonso describes how a scanned probe can be used for sensing and imaging beyond the diffraction limit.

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Lab talk

Nanotechnology research highlights: find out what the authors have to say

Understanding nanopore surface state

Investigating the translocation of macromolecules through a single nanopore for DNA sequencing.

Band-gap reduction favoured by double-walled carbon nanotube configurations

Determining how the interaction between carbon nanotubes impacts electrical properties.

Suspended molybdenum disulphide benefits from gas annealing

Releasing MoS2 electronics from substrates for improved device conductance.

Near-field transducers for next-generation hard-drive technology

Overcoming thermal issues with plasmonic nanostructures in heat-assisted magnetic recording.

Graphene nanoribbons steer infrared light

Controlling the reflection of infrared light using an aperiodic array of graphene strips.

Single-layer graphene electrodes

Replacing indium tin oxide with graphene for high-efficiency quantum-dot light-emitting diodes.

Integrating nanoarchitectures for highly efficient electrocatalysts

Interconnecting small alloy nanoparticles provides long-term durability.

On-demand curcumin delivery without premature release

Overcoming common drug release challenges for efficient curcumin delivery.

Three-dimensional imaging of carbon nanotubes under scanning electron microscopy

Identifying a ‘third crossover energy’ that leads to high resolution imaging of carbon nanotube nanocomposites.

Surprising current domains of misoriented graphene on graphite

Understanding the relationship between orientation and conductance for graphene-based devices.

Applying caution in monitoring dually emitted ZnSe quantum dots

Overlapping emission bands may provide opposite results when monitoring surface modification of dually emitted quantum dots.

Tailoring nanowire diameter and density for improved light absorption

Accurately designing high efficiency photovoltaic devices without complicated fabrication steps.

Imaging atomically precise donor devices inside a silicon crystal

Advancing the fabrication of semiconductor qubits.

Developing visible light-active titanium dioxide photocatalysts

Overcoming synthesis issues for improved degradation of organic pollutants.

An anisotropic self-powered directional sensor

Fabricating flexible nanogenerators with zinc oxide nanowires.

Highly active sea urchin-like catalysts

Constructing magnetic double-shelled Au catalysts with high stability and reusability.

Controlling nanostructured porous surfaces with metallic ions

Loading block copolymers with metal ions leads to reversible control of porous nanostructures.

Characterizing the subsurface of polymer nanocomposites

Atomic Force Microscopy provides quantitative non-invasive analysis of composite properties.

Defects make graphene sensitive to water adsorption

High sensitivity can be achieved by fine-tuning the number of oxidized sites.

Small molecules make big differences to phosphorene

Molecular doping effectively tunes the electrical and optical properties of phosphorene.