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IOP A community website from IOP Publishing

Feynman Lectures 50th anniversary celebration seminar series


Lithography and self-assembly below 10 nm - approaching the atom from the top down

Speaker: Karl Berggren from MIT

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Buyer’s Guide

LEDs

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

Technology update

Nonlinear signals benefit from top coat

A silver-coated nanowire provides efficient, tunable and directional nonlinear signals for photonic systems.

Striking a balance for better quantum dot LEDs

A quantum dot LED structure that includes an insulating layer to balance charge injections demonstrates greater efficiency and stability.

Photonic crystals: how defects lead to a prison for light

Researchers demonstrate how defects in a 3D crystal can create photonic bandgap cavities for light that may be useful for lasing, LEDS, information storage and sensitive pharmaceutical sensors

Lab talk

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.

Controlling emission from one dimensional photonic crystals for improved detection

Using near-field coupled emission can enhance or direct fluorescence

Ordered In(Ga)N nanocolumns grown on silicon

Rod-like structures fabricated via selective area growth process are ideal for LED applications and can be tuned across wide spectral range