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
Nanowires grown on polycrystalline silicon
Apr 16, 2013
Freestanding nanowires on glass-based polycrystalline silicon could improve light-emitting devices.
Understanding today the light sources of tomorrow
Feb 7, 2013
Resolving the debate on the radiative recombination mechanism in next-generation high-efficiency, phosphor-free, white LEDs.
Laser beam exfoliates graphite to form chemically tunable platform
Jan 16, 2013
Green synthesis route produces free-standing reduced graphene oxides at water–air interface.
ZrO2 nanoparticles boost colour temperature uniformity in white LEDs
Aug 15, 2012
Deviations in angular-dependent correlated colour temperature could be improved by 58%.
Seed particles govern nanowire growth and properties
Jun 27, 2012
Gold-seeded GaN nanowires grow slower compared with nickel-seeded ones and also contain 2D defects that are seldom found in nickel-seeded GaN nanowires.
Analysis compares growth mechanisms of Zn-polar ZnO nanowires on O-polar ZnO and on sapphire
Apr 17, 2012
Understanding how nanowires grow on different substrates will help developers to optimize the performance of devices such as photovoltaic solar cells, nano-generators and light-emitting diodes
Metallic ferrofluids show optical limiting
Nov 25, 2011
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
Oct 19, 2011
Fluorescence spectra with nanosecond temporal resolution reveal charge-recombination dynamics at a glance
Vectorial recipe serves up a Xe'ek of multi-waves
Sep 9, 2011
Combined action of metallic nanosystems gives ultrafast all-optical phase modulation
InGaN/GaN heterostructures: building blocks for solid-state lighting
Sep 6, 2011
Optical analysis of single nanowire emission identifies main source of loss and reveals route for improving the performance of nanoLEDs
Electron beam lithography forms 2D hybrid photonic crystal slab
Jul 28, 2011
Nanocrystal inclusions allow developers to manipulate refractive index and light-emitting properties of polymer film
Multicolour biomarkers formed by encapsulating organic dyes in nano matrix
Jul 20, 2011
Nanocomposites offer higher brightness, longer lifetime and stronger resistance to photobleaching
Laser-assisted synthesis of gold-silver nanochains
Jun 29, 2011
Necklace-like assembly with non-linear optical properties formed using custom-made copper vapour laser
High-speed laser scanning forms periodic nano-trenches on silicon
May 5, 2011
Japanese researchers demonstrate high-throughput fabrication of nanostructures over a large area using dual laser set-up
Investigating low-temperature optical properties of nanorod LED arrays
Feb 2, 2011
Researchers examine low-temperature electroluminescence of GaN test devices to understand light extraction benefits in more detail
Laser-assisted CVD modulates CNT diameter
Oct 19, 2010
Segmented carbon nanotubes show diode-like device behaviour
GaN-nanoworld shaped to optimize optoelectronics
Sep 1, 2010
Close to conventional growth process could push LEDs closer to efficiency limits
Laser welding boosts efficiency of TiO2 solar cells
Sep 1, 2010
Irradiating inter-electrode interface with UV beam during manufacture improves current flow in dye-sensitized solar cells
LEDs for high-efficiency solid-state lighting
Aug 20, 2010
Could embedded photonic crystals be the way forwards?
Nitrides at the Nanoscale
Aug 20, 2010
Nanoscale structure of nitride LEDs has a profound impact on performance