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quantum dots News
Utah Students’ QDs Win Regional Cleantech Challenge
SALT LAKE CITY, April 26, 2012 — Students at the University of Utah recently won $100,000 and first place in the regional CU Cleantech New Venture Challenge for their quantum dot technology.
Quantum Dot Solar Cell Efficiency Boosted
BUFFALO, N.Y., March 29, 2012 — A collaboration between the US Army Research Laboratory (ARL) and State University of New York (SUNY) at Buffalo has led to the potential to boost the efficiency of quantum dot solar cells by a factor of two. The discovery could lead to lighter...
QD Vision Awarded DoD Contract
LEXINGTON, Mass., March 16, 2012 — The quantum dot product company received a $1.38 million contract from the Department of Defense for specialized devices based on electroluminescent quantum dots.
OLED Inventor Joins QD Vision Advisory Board
LEXINGTON, Mass., March 8, 2012 — Ching Tang, OLED inventor and winner of the Wolf Prize in chemistry, joined the quantum dot product supplier’s three-member scientific advisory board.
One-step process turns carbon fibers into graphene QDs
HOUSTON – Common carbon fiber can be turned into graphene quantum dots (QDs) in a one-step chemical process that is much simpler than established techniques. This discovery could prove useful for optical, biomedical and electronic applications. ...
Quantum Dots Switch Neurons On, Off
SEATTLE, Feb. 13, 2012 — Light from electrons confined by quantum dots was used to activate and control targeted brain neurons, demonstrating a noninvasive method for studying cell communication and learning how specific cells may contribute to brain disorders.
“Egg crate” structure optimizes QD-LED performance
CAMBRIDGE, Mass. – A new quantum-dot (QD) LED “egg crate” design turns formerly troublesome ligand molecules into a critical element of a more versatile quantum-dot LED structure for applications in lighting, lasers and displays. Ligands – organic...
Carbon Fibers Turned into Graphene Quantum Dots
HOUSTON, Jan. 18, 2012 — Common carbon fiber can be turned into graphene quantum dots in a one-step chemical process much simpler than established techniques for making the semiconducting nanocrystals. This discovery could prove useful in optical, biomedical and electronic...
Nanophotonic Endoscope Gently Probes Single Cells
BERKELEY, Calif., Dec. 21, 2011 — A newly developed nanophotonic endoscope can take high-resolution images of the inside of a single living cell and deliver therapeutic drugs and other cargo without injuring or damaging the cell. Fluorescence confocal image of a single living...
QD ‘Blinking’ Mystery Unravels
LOS ALAMOS, N.M., Nov. 21, 2011 — A significantly better understanding of why quantum dots blink, and how this blinking can be controlled and even completely suppressed, should lead to many sought-after applications, such as single-particle tracking, novel LEDs and single-photon...
‘Egg Crate’ Design for QD-LEDs Optimizes Performance
CAMBRIDGE, Mass., Nov. 16, 2011 — A new quantum-dot LED "egg crate" design is turning troublesome ligand molecules into a critical element that creates a more versatile QD-LED structure that could have applications in displays, lighting, and lasers.
Photonic Crystal Controlled by ‘Nanoquake’
MUNICH and SANTA BARBARA, Calif., Oct. 25, 2011 — Until now, the idea of an acoustically modulated photonic crystal merely existed in theory, but a new technique is proving that sound waves can control photonic crystals within a nanocavity. Scientists working for the cluster of excellence...
Light from Nanoparticles Controlled
HOUSTON, Oct. 3, 2011 — Rice University researchers have created a technique to control plasmonic scattering from gold nanoparticles using liquid crystals. The researchers use voltage to sensitively manipulate the alignment of liquid crystal molecules that alternately...
Light antennas assemble themselves
TORONTO – New photosynthesis-inspired nanomaterials can control and direct energy absorbed from light – and can even build themselves into light-harvesting antennas. For years, nanotechnologists have been intrigued by quantum dots, but they have...
QD Vision Awarded Contract
Oct 1, 2011 — QD Vision Inc. of Watertown, Mass., has been awarded a $900,000, 12-month R&D development contract from DARPA to advance its quantum dot-based infrared materials and to deliver two prototype devices: one with quantum dots as an emissive layer in...
Quantum Dots Warm Up LED Lighting
Oct 1, 2011 — Quantum dots could solve the major problems that are blocking LEDs from broader adoption – but issues related to color, lifetime, cost and mass production must be solved. Quantum dots and LEDs are from the same family tree, in a sense....
QDs Improve Next-Gen Solar Cells by 6%
TORONTO, Sept. 21, 2011 — A promising technique for improving solar conversion efficiency has been developed using tightly packed quantum dots assembled on the surface of solar cells. Researchers from the University of Toronto (U of T), the King Abdullah University of...
Transport of Molecules Through Nuclear Pore Complex Shown for First Time
BERKELEY, Calif., Aug. 24, 2011 — The mechanism behind nuclear pore complexes — the cellular structures that control how materials move between the nucleus and the cytoplasm — has come more sharply into focus. Nuclear pore complexes (NPCs), which span the nuclear...
QD Vision Awarded DARPA Contract
WATERTOWN, Mass., Aug. 18, 2011 — QD Vision Inc. was awarded a $900,000, 12-month R&D development contract from DARPA to advance its quantum dot-based infrared materials and to deliver two prototype devices, the company announced yesterday. At the end of the program, QD...
Ones to Watch
Aug 1, 2011 — IEEE Photonics Society Awards The Young Investigator Award honors an individual who has made outstanding technical contributions to photonics prior to his or her 35th birthday. The 2011 Young Investigator is Hatice Altug, an assistant professor...
New Nanomaterials Control, Direct Light Energy
TORONTO, Canada, July 18, 2011 — Inspired by photosynthesis, researchers have engineered a new generation of nanomaterials that control and direct the energy absorbed from light. "Nanotechnologists have for many years been captivated by quantum dots — particles of...
Unique Luminescence Found in Nanocrystals
BERKELEY, Calif., July 6, 2011 — A fundamental principle of photoluminescence known as “Kasha’s rule” was broken by scientists at the US Department of Energy’s Lawrence Berkeley National Laboratory when they created artificial molecules of semiconductor...
QDs Help Make Solar Fuel a Reality
MANCHESTER, England, July 5, 2011 — A solar-nano device is being created with the hope that it can harness the energy of the sun and convert it into a clean fuel alternative. Using quantum dots grafted with catalyst molecules, scientists are harvesting the sun’s energy to...
Plasmonic resonances found in quantum dots
BERKELEY, Calif. – Until recently, plasmonic properties have been limited to nanostructures with interfaces between noble metals and dielectrics. But now researchers have discovered that plasmonic properties also can be achieved in quantum dots. Scientists at the...
Inspired Chaos in a Microlaser
WÜRZBURG, Germany, June 24, 2011 — Using a mirror to continually send a fraction of the emitted light back into a quantum dot microlaser, researchers were able to throw the light emission process off-kilter, prompting the microlaser to emit photons in a chaotic pulse sequence. This...
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