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Environmental effects of oxide nanomaterials

Stanislaus Wong presents on the role of chemical composition, morphology, structure, size, and shape in the toxicity of nanomaterials

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

Technology update

Breaking research and industry highlights

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Graphene for all-plastic electronics

New light-emitting electrochemical cell contains no metal electrode

Plasmonic nanostructures enhance light fields

Tower- and pagoda-type composite structures probed using fluorescence technique

Graphene makes ultrafast laser

Cambridge University team's result paves the way to graphene-based photonics

Laser-etched CNT array delivers uniform yarn

Continuous process spins out hundreds of metres of high-strength material

OLEDs miniaturized for nanoscale duties

NIL-fabricated nanochannel design reduces charge spreading

Nanotube LEDs make progress

IBM team controls light emission from CNTs more precisely than ever before

Nanowire sheet has flexible LED applications covered

Bendable visible and ultraviolet light-emitting devices prototyped using cotton-like zinc oxide product

Thin film provides simple white-light solution

Easy-to-fabricate ZnO nanorod/polyfluorene nanocomposite gives LED makers a low-cost white-light option

Graphene oxide fluoresces blue

A useful result for developers of flexible colour displays

Plasmonic laser puts the squeeze on light

US researchers claim world's smallest semiconductor laser

Angular approach produces excellent photonic crystals

Kyoto University team etches silicon wafers at 45° to simplify photonic-crystal processing

Making graphene in a flash

A common camera flashbulb can turn graphite oxide into graphene

Switching light on and off in nanotubes

IBM result crucial for future CNT applications in nano-optoelectronics and photonics

Nanoscale light source can change its colour

Tiny 'free electron laser' could be used in displays

Understanding nanoscale light emission

Optical properties of nanoparticles unravelled by NREL team

Foxconn patents nanoparticle LED doping

The behemoth Taiwanese company seeks to protect its method for smoothing both InGaN and AlGaAs active layers

Nano-lamp illuminates quantum-classical boundary

Filament is just 100 atoms wide

CNT arrays for photonics

Deep-UV photonic crystals and total optical absorbers are some of the applications for multiwalled nanotube arrays

Lumileds claims double LED brightness

Etched triangular lattices come close to matching encapsulants for light extraction, while side-stepping disadvantages

On patrol: molecular sentinels recognize cancer

Raman scattering nanostructures switch "on" and "off" in response to biomarkers