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Connecting the physical and digital worlds

Watch Davor Sutija, CEO of Thin Film Electronics, describe developments helping near-field communications technology bring brands to consumers.

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Buyer’s Guide

LEDs

Using nanotechnology to enhance the performance of LEDs and other light sources

Lab talk

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

Random access metamaterial enables ultimate spatial light control

Mechanically reconfigurable metamaterials may lead to spatial light modulators with sub-wavelength resolution.

(with audio) Single silicon quantum dot studies reveal their physics and applications

Jan Linnros speaks to nanotechweb.org about some of the progress in understanding and making use of silicon quantum dots.

Nanohybrid helps feel the heat and the mechanical power for cell stimulation

Researchers activate a targeted protein channel in living cells by applying near-infrared light and a magnetic field in the presence of a nanohybrid synthesized from multiwalled carbon nanotubes, magnetite nanoparticles, and polyglycerol.

Understanding the photosensitivity of resonant tunneling diode photodetectors

Exploring non-constant sensitivity in highly sensitive photodetectors

Photon nanojet lens focuses to super resolution

A novel nanolens with super resolution, based on the photon nanojet effect through dielectric nanostructures in visible wavelengths is proposed.

X-ray sources see through commercial fabrication challenges

(with audio)Matthew Cole highlights some of the advantages nanomaterials could offer the commercial x-ray source market if fabrication challenges can be met.

White light emission from a Si nanocrystal thin film

Observation of white light emission suggests potential for applications in white-light Si lasing and Si lighting.

InGaN/GaN multiquantum wells show high stability

InGaN/GaN quantum wells shows high stability upon ion irradiation.

Novel hybrid quantum well-dots nanostructures

Hybrid quantum well-dots nanostructures increase the efficiency of photovoltaic devices.

Polarizing colour filters for power-saving display

Developing more efficient liquid crystal display technology.

Designing nanoparticle dimers to achieve superbackscattering

Reaching the backscattering upper bound with nanoparticle pair designs.

Reconfiguring slanted plasmonic nanocolumnar thin films

Employing ion beam irradiation to tune photonic and plasmonic properties.

A feasible route to ultra-narrow multispectral light absorbers

Predicting the absorption scheme for highly scalable ultra-narrow multispectral light absorbers.

Ultra-thin multilayer films reveal surprising optical properties

Breaking down the ‘effective medium’ approach for sensing applications.

Artificial magnetism provides perfect electromagnetic absorbers

Patterning graphene for a tunable terahertz absorber.

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.

Ultraviolet light-emitting diodes: high efficiency and low cost

High-temperature growth enables short emission wavelength LEDs based on wide band gap semiconductors.

Controlling carbon nanotube photoluminescence

Silicon microring resonators could be key to carbon nanotube-based light sources.