“S-shaped” temperature-dependent emission shift and carrier dynamics in InGaN/GaN multiple quantum wells
YH Cho, GH Gainer, AJ Fischer, JJ Song… - Applied Physics …, 1998 - pubs.aip.org
We report temperature-dependent time-integrated and time-resolved photoluminescence (PL)
studies of InGaN/GaN multiple quantum wells (MQWs) grown by metalorganic chemical …
studies of InGaN/GaN multiple quantum wells (MQWs) grown by metalorganic chemical …
High-brightness light emitting diodes using dislocation-free indium gallium nitride/gallium nitride multiquantum-well nanorod arrays
HM Kim, YH Cho, H Lee, SI Kim, SR Ryu, DY Kim… - Nano …, 2004 - ACS Publications
We demonstrate the realization of the high-brightness and high-efficiency light emitting
diodes (LEDs) using dislocation-free indium gallium nitride (InGaN)/gallium nitride (GaN) …
diodes (LEDs) using dislocation-free indium gallium nitride (InGaN)/gallium nitride (GaN) …
Facile synthetic method for pristine graphene quantum dots and graphene oxide quantum dots: origin of blue and green luminescence.
Pristine graphene quantum dots and graphene oxide quantum dots are synthesized by
chemical exfoliation from the graphite nanoparticles with high uniformity in terms of shape (circle)…
chemical exfoliation from the graphite nanoparticles with high uniformity in terms of shape (circle)…
Highly efficient light‐emitting diode of graphene quantum dots fabricated from graphite intercalation compounds
Graphene quantum dot (GQD) light‐emitting diodes (GQD‐LEDs) are shown to have an
electroluminescence exceeding 1000 cd m‐2. These devices are possible due to a novel …
electroluminescence exceeding 1000 cd m‐2. These devices are possible due to a novel …
Subwavelength light focusing using random nanoparticles
There has been an escalation in interest in developing methods to control the near field
because of its role in subwavelength optics. Many novel ideas have emerged in the field of …
because of its role in subwavelength optics. Many novel ideas have emerged in the field of …
Ultra-low-power e-nose system based on multi-micro-led-integrated, nanostructured gas sensors and deep learning
As interests in air quality monitoring related to environmental pollution and industrial safety
increase, demands for gas sensors are rapidly increasing. Among various gas sensor types, …
increase, demands for gas sensors are rapidly increasing. Among various gas sensor types, …
Enhanced optical output power of green light-emitting diodes by surface plasmon of gold nanoparticles
We demonstrate the surface plasmon (SP) enhanced green light-emitting diodes (LEDs).
The Au nanoparticles were embedded in the p-GaN of LEDs. The photoluminescence and …
The Au nanoparticles were embedded in the p-GaN of LEDs. The photoluminescence and …
Mechanical unzipping and rezipping of a single SNARE complex reveals hysteresis as a force-generating mechanism
Formation of the soluble N-ethylmaleimide-sensitive factor attachment protein receptor (SNARE)
complex provides mechanical thrust for membrane fusion, but its molecular mechanism …
complex provides mechanical thrust for membrane fusion, but its molecular mechanism …
Growth and characterization of single-crystal GaN nanorods by hydride vapor phase epitaxy
HM Kim, DS Kim, DY Kim, TW Kang, YH Cho… - Applied Physics …, 2002 - pubs.aip.org
Single-crystalline GaN nanorods are formed on a sapphire substrate by hydride vapor phase
epitaxy (HVPE). Their structural and optical properties are investigated by x-ray diffraction, …
epitaxy (HVPE). Their structural and optical properties are investigated by x-ray diffraction, …
Full-field subwavelength imaging using a scattering superlens
Light-matter interaction gives optical microscopes tremendous versatility compared with
other imaging methods such as electron microscopes, scanning probe microscopes, or x-ray …
other imaging methods such as electron microscopes, scanning probe microscopes, or x-ray …