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Feynman Lectures 50th anniversary celebration seminar series


Synthesis and applications of multifunctional nanomaterials

Speaker: Stanislaus Wong from State University of New York at Stony Brook

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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

Laser welding boosts efficiency of TiO2 solar cells

Irradiating inter-electrode interface with UV beam during manufacture improves current flow in dye-sensitized solar cells

LEDs for high-efficiency solid-state lighting

Could embedded photonic crystals be the way forwards?

Nitrides at the Nanoscale

Nanoscale structure of nitride LEDs has a profound impact on performance

Road towards wearable organic displays

Researchers demonstrate top emission solution processed OLED featuring CNT transparent electrode

Silver catalyst triggers growth of 2nm ultrathin single-crystal ZnO nanobelts

Simple silver-catalysed vapour transport method delivers uniform version of popular nanomaterial

Nanourchins offer protection from intense laser pulses

MIT study reveals design path for optimizing the optical limiting effect of nanospined particles

Polarization enables dopant-free nanowire devices

Ability to form polarization-induced electron or hole carriers in GaN-based nanowires removes need to introduce dopant atoms to create functional devices

High-speed femtosecond laser induced nanostructuring

Universal approach should suit almost any solid material including dielectric, semiconducting or metallic surfaces

White electroluminescence from nanowire arrays

LEDs on silicon substrates combine multiple emission colours from InGaN nanowires to produce white light without phosphor conversion

Lasers write semiconducting nanoparticles inside silica monoliths

Local generation of nanoparticles deep within or just under the surface of silica xerogel

SERS aggregates patterned by laser trapping

Optical trapping of plasmonic nanoparticles and bubble formation in aqueous suspension

Turning ZnO nanowires into ultra-bright UV emitters

Ultraviolet emission enhanced by a factor of almost 50

Cyto-friendly system for targeted cancer imaging

Fluorescent gold nanoclusters detect and illuminate specific cancer cells

Plasmonic nanobubbles: combining diagnosis and treatment into theranostics

Laser and gold nanoparticle system shows promise for rapid diagnosis and treatment of diseases at cell level

Test structure highlights SPP response

Relationship between metal electron density and surface plasmon polaritons (SPPs) revealed

Green single quantum-dot electroluminescence at 150 K

Promising milestone towards electrically driven single-photon emission at room temperature

Optical discrimination of metallic carbon nanotubes

Laser irradiation in the open air selectively removes m-CNTs from CNT mixtures

Efficient silicon heterostructure LEDs unveiled

Silicon nanocrystals embedded in a SiO2 matrix and combined with an n-type Al-doped ZnO (n-ZnO) layer to improve external quantum efficiency

Nanocrystals: size does matter

New fabrication method enables detailed studies of silicon nanorod emission

New routes to adjusting light from artificial atoms

Squeezing silicon quantum dots changes their colour