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photosynthesis News
Biosolar Cell Draws Electricity from Photosynthesis Process
HAIFA, Israel, Dec. 27, 2022 — Researchers from the Israel Institute of Technology (Technion) used a succulent plant to create a living “bio-solar cell” that runs on photosynthesis. The demonstration showed how the natural processes that take place in living plants could lead to a new source of green energy. The development yielded the first such cell to run on photosynthesis, according to the researchers. Typically, the researchers said, harvesting an electrical current from biological photosynthetic
Converting Solar Energy into Hydrogen Fuel with Photosynthesis
HAIFA, Israel, Aug. 17, 2020 — Researchers from the Israel Institute of Technology are designing a photocatalyst capable of breaking down water into hydrogen fuel. The group reports record efficiency for solar-to-fuel conversion and intends to incorporate the mechanics of...
Scientists Look to Plants to Increase Solar Panel Efficiency
UPTON, NY, June 25, 2019 — Taking notes from the light-harvesting protein complex of plants and certain bacteria, scientists from the U.S. Department of Energy’s Brookhaven National Laboratory and Stony Brook University have assembled a nanohybrid structure that...
Artificial Photosynthesis Could Help Limit Carbon Emissions
BERLIN, Jan. 22, 2019 — If CO2 emissions do not fall fast enough, then CO2 will have to be removed from the atmosphere to limit global warming. New technologies for artificial photosynthesis could contribute to negative emissions of CO2, say researchers from...
Light-Splitting Greenhouse Film Could Improve Photosynthetic Efficiency
BOULDER, Colo., Jan. 25, 2018 — University of Colorado Boulder (CU Boulder) engineers have received a $2.45 million grant from the U.S. Department of Agriculture (USDA) to develop a scalable, cost-effective greenhouse material that splits sunlight into photosynthetically efficient...
Photosynthesis Map May Hold Clue to Improving Solar Cell Efficiency
LUND, Sweden, August 1, 2016 — The results of measuring the flow of energy during photosynthesis using spectroscopy could contribute to the development of more efficient solar energy technologies. Researchers at Lund University used ultrafast 2D electronic spectroscopy to track...
Photobioelectrochemical Cells Converted for Solar Collection
JERUSALEM, Jan. 26, 2016 — A fabrication method based on natural photosynthetic reactions could enable the conjugation of photobioelectrochemical cells to photobioelectrocatalytic solar cells. The design of photobioelectrochemical cells based on native photosynthetic...
Solar Nanowire-Bacteria Array Converts CO
2
into Useful Chemicals
BERKELEY, Calif., April 23, 2015 — A new artificial photosynthesis process could be used to capture carbon dioxide emissions and convert them into plastics, drugs and fuels with help from sunlight. Scientists with the U.S. Department of Energy’s Lawrence Berkeley National...
Algae Carbon Flow Controlled by Changing Light Colors
LEIPZIG, Germany, Oct. 28, 2014 — Blue and red light-sensing photoreceptors can be used to control the carbon flow in diatoms, a major group of algae that generates about one-fourth of the Earth’s oxygen and perform around a quarter of global CO2 assimilation. Researchers from...
Hydrogen Produced Using Photosynthetic Blueprint
CANBERRA, Australia, Aug. 26, 2014 — Researchers have artificially replicated steps of photosynthesis to produce hydrogen as a zero-carbon replacement for petroleum products. A team from Australian National University modified the naturally occurring protein ferritin to display a...
Semi-Artificial Photovoltaics Surpassing Photosynthesis
BOCHUM, Germany, Aug. 22, 2014 — Semi-artificial leaves could function as photovoltaic systems and with unprecedented performance. In leaves, the membrane protein complex photosystem I (PS I) absorbs light, and its energy is utilized for converting carbon dioxide into biomass. In a...
Funding Extended for Bio-inspired Solar Energy Research
ST. LOUIS, June 24, 2014 — The Photosynthetic Antenna Research Center (PARC) at Washington University has won a four-year, $14.4 million grant from the U.S. Department of Energy to continue research on natural and bio-inspired systems for harvesting the sun’s energy....
New Spectroscopy Technique Probes Photochemical Reactions
BERKELEY, Calif., June 18, 2014 — Photochemical reactions have become key players in high technology, namely in the development of nanomaterials and solar energy systems. Better understanding of these light-triggered processes could lead to more efficient use. A team from Lawrence...
Dual-Catalyst Technique Allows Better Control of Molecules
MADISON, Wis., April 24, 2014 — Chemical reactions usually happen on their own terms. But now, researchers from the University of Wisconsin-Madison have discovered a way to create molecules with controlled chirality using sunlight as one of two catalysts.
Exciton Movement Observed Directly
CAMBRIDGE, Mass., and NEW YORK, April 17, 2014 — For decades, scientists' understanding of excitons has been theoretical at best. However, a recent breakthrough has changed the game.
BSI, ICFO Technologies Study Photosynthesis
EAST LANSING, Mich., and BARCELONA, Spain, Feb. 21, 2014 — Studying photosynthesis at the single-molecule level could lay the groundwork for better understanding of quantum physics’ role in nature. Researchers from the Institute of Photonic Sciences (ICFO) in Barcelona are using their advanced laser...
Laser Reveals Photosynthetic Processes
ST. LOUIS, Dec. 2, 2013 — Scientists have used an ultrafast laser to study a photosynthetic complex — arguably the most important bit of organic chemistry on the planet — in its complete functioning state. When sunlight strikes a photosynthesizing organism,...
Natural antennas inspire synthetic sun sponges
Nov 1, 2013 — The evolutionary chemical machinery of nature – plus a dash of human ingenuity – has inspired synthetic light-harvesting antennas that convert sunlight into unprecedented amounts of usable energy. Light-harvesting antennas are normally...
Lab-Made Antennas Are Sun ‘Sponges’
ST. LOUIS, Aug. 27, 2013 — The evolutionary chemical machinery of nature — and a dash of human ingenuity — have created synthetic light-harvesting antennas that convert sunlight into unprecedented amounts of usable energy.
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...
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.
Photocurrent of single molecule measured
MUNICH – Single small molecules can be used as functional components in optoelectronic circuits, but until now, controlling and probing such molecules for photovoltaic and photoelectrochemical applications have proved difficult. Scientists at the Technical...
Spinach power boosts silicon solar cells
Nov 1, 2012 — Popeye’s muscles get energy-boosting powers extracted from spinach – and now so do solar panels. Combining the vegetable’s photosynthetic protein with silicon produces significantly higher current levels than can be achieved by...
X-ray, optical wave mix probes light at atomic scale
BERKELEY, Calif. – Mixing x-ray and optical lightwaves enables observations of how light interacts with matter on the atomic scale. The capability can reveal certain properties of matter, and may enable the observation of changes during chemical reactions, such as the...
Photocurrent of Single Molecule Measured
MUNICH, Oct. 4, 2012 — Single small molecules can be used as functional components in optoelectronic circuits, but until now, controlling and probing such molecules for photovoltaic and photoelectrochemical applications has proved difficult.
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June 2024
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