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green photonics News
Polymer Solar Cell Efficiency Hits 8.9 Percent
ULSAN, South Korea, May 8, 2013 — The highly purified silicon crystal used in today’s commercial solar cells could be replaced with more economical, disposable, polymer-based materials if their efficiency and stability could be improved. A team at Ulsan National Institute of Science and Technology (UNIST) believes it has done just that, reporting the highest device efficiencies to date for plasmonic polymer solar cells using metal nanoparticles. Compared with silicon-based devices, polymer solar cells (PSCs) are...
German President Meets with Novaled Founders
DRESDEN, Germany, May 7, 2013 — As part of his first official tour of Saxony, President Joachim Gauck of Germany visited the Technical University of Dresden and met with Novaled AG’s founders. President Gauck met professor Karl Leo (TU Dresden/Fraunhofer COMEDD), Dr. Jan...
SBIR Grants Awarded for OLED Lighting
WASHINGTON, May 7, 2013 — Four Small Business Innovation Research (SBIR) grants targeting advances in solid-state-lighting technology were announced Monday by the US Department of Energy’s Office of Science. The FY13, Phase I Release 2 grants, awarded to Plextronics...
Societies Name Congressional Science and Engineering Fellows
WASHINGTON, May 7, 2013 — Two PhD candidates at the University of Colorado at Boulder will serve as 2013-2014 Congressional Science and Engineering Fellows, the optics and photonics societies OSA, SPIE and the Materials Research Society (MRS) announced Tuesday. Both one-year...
Tomato Yield Not Affected by LED-Lit Greenhouses
WEST LAFAYETTE, Ind., May 6, 2013 — LED-equipped greenhouses can grow the same number of off-season tomatoes as those outfitted with traditional lighting, but using a lot less energy, a new Purdue University study finds. The average tomato is shipped about 1500 miles from a warmer...
New Photocatalyst Enhances VIS Light Absorption
URBANA, Ill., April 25, 2013 — A high-performance solar photocatalyst based on TiO2 and other “metallic” oxides has been shown to greatly enhance visible light absorption, enabling more efficient use of the solar spectrum for energy applications.
Solar3D Files Patent Application in China
SANTA BARBARA, Calif., April 22, 2013 — Solar3D Inc. has filed a patent application in China to protect the design and fabrication of its next-generation 3-D solar cells.
System Aims to Concentrate Power of 2000 Suns
ZURICH, April 22, 2013 — A photovoltaic system capable of harnessing the power of 2000 suns and converting 80 percent of incoming light into useful energy could provide sunny, remote locations with electricity, fresh water and cooler air at lower prices than conventional...
First Solar to Acquire TetraSun
TEMPE, Ariz., and SAN JOSE, Calif., April 10, 2013 — First Solar Inc. has signed a definitive agreement to acquire solar photovoltaic technology startup TetraSun from JX Nippon Oil & Energy Corp. and other investors, including TetraSun management, for an undisclosed amount.
Nanowires Could Revolutionize Solar Energy
LAUSANNE, Switzerland, and COPENHAGEN, Denmark, April 9, 2013 — A single nanowire that uses 10,000 times less material can capture 15 times more light and produce energy with incredible efficiency at a much lower cost. The technology could provide the basis for a new generation of highly efficient solar cells or...
Photonics Researchers Among Young Investigator Recipients
ARLINGTON, Va., April 4, 2013 — Five photonics researchers working in areas from nonlinear materials to undersea wireless optical communications to solar power are among the 16 recipients of Young Investigator awards, given by the Office of Naval Research and announced by the...
Solar Cells Derived from Trees
ATLANTA, April 1, 2013 — Just as leaves capture sunlight and convert it to energy, so do solar cells, and now recyclable, sustainable and renewable photovoltaics can be made using natural substrates derived from trees.
Quantum Materials Supplies Tetrapod Dots to DoE
CARSON CITY, Nev., March 29, 2013 — Quantum Materials Corp. (QMC) has developed and delivered customized tetrapod quantum dot samples for applications under development by Department of Energy National Lab researchers.
IPG Photonics Acquires Mobius Photonics
OXFORD, Mass., March 13, 2013 — IPG Photonics Corp. announced late Wednesday it has acquired privately held Mobius Photonics to accelerate entry of IPG’s fiber into the ultraviolet laser market and broaden its opportunities in fine processing.
Flexible CIGS Solar Cell Delivers 13% Efficiency
ALBANY, N.Y., March 12, 2013 — Magnolia Solar Inc., a wholly owned subsidiary of Magnolia Solar Corp., has demonstrated a flexible copper indium gallium selenide (CIGS) solar cell with a 13 percent efficiency.
Spectroscopy Method Could Lead to Better Optical Devices
PROVIDENCE, R.I., March 6, 2013 — A new spectroscopy method that takes advantage of a fundamental property of thin films — interference — could help make better use of these materials in optical devices like LEDs and solar cells.
European firms among Prism winners
SAN FRANCISCO – A maskless lithography system and a research lidar instrument were the European winners at the 2013 Prism Awards for Photonics Innovation announced Feb. 7 at SPIE Photonics West in San Francisco. Overall, 10 companies were presented with awards that...
Prism Awards honor innovations in photonics
Mar 1, 2013 — An early-stage diagnostic tool for skin cancers, a portable device to test for toxins in water and food, and a versatile laser capable of meeting multiple industrial needs were among 10 winners of the 2013 Prism Awards for Photonics Innovation...
Nanotube Detector a Promising Optoelectronic Device
HOUSTON, Feb. 28, 2013 — A nanotube-based photodetector that gathers light in and beyond visible wavelengths promises to make possible a unique set of optoelectronic devices, solar cells and maybe even specialized cameras.
InnoLas Revenue Up 60% in 2012
KRAILLING, Germany, Feb. 26, 2013 — Despite challenging conditions in the solar market, laser systems provider InnoLas Systems GmbH reported 60 percent revenue growth for 2012.
Graphene Highly Efficient at Converting Light to Electricity
BARCELONA, Spain, Feb. 25, 2013 — Graphene is even more efficient at converting light to electricity than was previously known, making it an ideal building block for any device that relies on such conversions, a new international study has found.
Waveguide Collects Light More Efficiently
BUFFALO, N.Y., Feb. 21, 2013 — Catching rainbows just got easier with an advanced waveguide that slows light. The advancement in photonics could lead to technological breakthroughs in solar energy, stealth technology and other areas of research.
X-Ray Laser Observes Photosynthesis in Action
MENLO PARK, Calif., Feb. 20, 2013 — The structure and chemical behaviors of a natural catalyst involved in photosynthesis were observed simultaneously for the first time, using an x-ray laser. The discovery opens a new window on the way plants generate the oxygen we breathe.
Cadmium-Free Tetrapod QDs Developed
CARSON CITY, Nev., Feb. 19, 2013 — Quantum Materials Corp. (QMC) has developed a new class of cadmium-free, non-heavy metal tetrapod quantum dots (NHM-TPQDs) to address global concerns regarding nanoparticle biocompatibility and sustainability.
Laser Proposed to Vaporize Threatening Asteroids
SANTA BARBARA and SAN LUIS OBISPO, Calif., Feb. 19, 2013 — Given that a meteorite exploded over Russia on Friday while the 2012 DA14 asteroid passed close to Earth, there has never been a better time to develop defensive measures against threats from space.
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