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IOP A community website from IOP Publishing

online seminar

       

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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Buyer’s Guide

LEDs

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

Technology update

OLEDs benefit from organic electron injection material

An organic radical has been successfully harnessed to improve OLED efficiency and stability for the first time.

First charge transfer between silicon and rare earth observed

Silicon-based room-temperature mid-infrared photodetectors may now be within reach.

Quantum dots tune millisecond fluorescence lifetimes

(with audio) Conjugating organic fluorophores to semiconductor quantum dots doped with manganese ions can extend the fluorescence lifetime from nano- to milliseconds.

Etch masks reach a higher dimension

Researchers devise a single-step process for fabricating etched structures aligned on more than one plane.

Lab talk

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.