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LEDs

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

Technology update

Making efficient OLEDs for flexible solid-state lighting

Modified graphene anode increases work function and reduces sheet resistance

Frequency doubling with nanocups

Novel structures convert red light into blue

Graphene could make 'perfect' solar cells

Metallic nanostructures boost light absorption

Nanowire laser could boost data storage

Developers hope to use the device to study living cells

Lab talk

Metallic ferrofluids show optical limiting

Nickel nanofluid with kerosene base displays optical limiting and magnetic field dependent transmission

Time-resolved fluorescence spectroscopy looks deeper into germanium nano-islands in silicon

Fluorescence spectra with nanosecond temporal resolution reveal charge-recombination dynamics at a glance

Vectorial recipe serves up a Xe'ek of multi-waves

Combined action of metallic nanosystems gives ultrafast all-optical phase modulation

InGaN/GaN heterostructures: building blocks for solid-state lighting

Optical analysis of single nanowire emission identifies main source of loss and reveals route for improving the performance of nanoLEDs