Sentences with phrase «split water molecules»

The artificial leaf is essentially a silicon solar cell that has different catalytic materials bonded to each side that allow it to split water molecules into oxygen and hydrogen, the latter of which could be stored and used as clean fuel.

The bionic leaf is able to split water molecules into hydrogen and oxygen and then with the help of hydrogen - loving bacteria, produce liquid fuels and potentially many other products.

When water molecules rise high in an atmosphere, ultraviolet radiation split the water molecules into its component gases, oxygen and hydrogen, and the lighter hydrogen molecules escape into space.

While not as innovative as a solar panel that could split water molecules, the flow battery technology and Sun Catalytix's bevy of patents are what captured Lockheed Martin's attention.

These free charges split water molecules into hydrogen and oxygen.

They think that when sunlight falls on the nanotubes it is able to split water molecules into two compounds, hydroxide radicals and hydrogen ions.

A new solar paint technology from RMIT University takes a unique approach by using sunlight to split water molecules to produce hydrogen.

Many, many investigators have contributed over the years to the development of a form of artificial photosynthesis in which sunlight - activated catalysts split water molecules to yield oxygen and hydrogen — the latter being a valuable chemical for a wide range of sustainable technologies.

In order to run these reactions, researchers typically use an anode to split water molecules into protons, electrons, and oxygen, and then feed the protons and electrons to a cathode, where they react with CO2 to make hydrocarbons.

A few years ago, researchers led by Harvard University chemist Daniel Nocera devised what they call an artificial leaf that uses a semiconductor combined with two different catalysts to capture sunlight and use that harvested energy to split water molecules (H2O) into H2 and oxygen (O2).

The new approach relies on a photoelectrochemical (PEC) device, a type of solar cell that can potentially split water molecules more efficiently than other methods.

This aurora is driven by Jupiter's intense magnetic field, which causes particles to reach such high speeds that they can split the water molecules in the plume when they hit them, resulting in oxygen and hydrogen ions which leave their telltale imprint in the colours of the aurora.

But when scientists split water molecules in a type of artificial photosynthesis, the goal isn't to grow an artificial plant.

When a plant uses the sun's energy to split water molecules, it shuttles hydrogen (separated as protons and electrons) into a reaction sequence to help it grow.

MacDonnell also has worked on developing new photocatalysts for hydrogen generation, with the goal of creating an artificial photosynthetic system which uses solar energy to split water molecules into hydrogen and oxygen.

These charges can then split water molecules to produce hydrogen gas.

Then, sunlight split the water molecules, letting hydrogen escape into space.

The current splits water molecules into oxygen and hydrogen, and bacteria in the water transform carbon dioxide and hydrogen into fuels or other useful chemicals.

Photosystem II is involved in the photosynthetic mechanism that splits water molecules into oxygen, protons and electrons.

One of the simplest ways of obtaining hydrogen is electrolysis: an electric current splits water molecules into their constituent hydrogen and oxygen atoms.

Nocera and his postdoctoral student, Matthew Kanan, discovered that cobalt (a widely available metal) can be used to create a catalyst that similarly splits water molecules — in this case, in the presence of an electric current.

Yet without a protective magnetic field to shield the surface, ionizing radiation started splitting water molecules into hydrogen and oxygen.

All the entire energy in the beam is now available to use for splitting the water molecules.

Understanding these effects is also important for other applications such as splitting water molecules to produce hydrogen at solid - liquid interfaces, electronic devices that rely on oxide - oxide interfaces, or other electrochemical processes using these materials as catalysts, where defects serve as the sites that enable the interactions.

A crucial piece of the puzzle behind nature's ability to split the water molecule during photosynthesis that could help advance the development of artificial photosynthesis for clean, green and renewable energy has been provided by an international collaboration of scientists led by researchers with the Lawrence Berkeley National Laboratory (Berkeley Lab) and the SLAC National Accelerator Laboratory.

PSII is a light harvesting system that splits water molecules to produce oxygen.

Using the world's most powerful x-ray laser, an international collaboration led by Berkeley Lab researchers took femtosecond «snapshots» of water oxidation in photosystem II, the only known biological system able to harness sunlight for splitting the water molecule.

Nano - sized crystals of cobalt oxide, an Earth - abundant catalyst, have been shown to be able to effectively carry out the critical photosynthetic reaction of splitting water molecules.

The first half is done in an electrolyzer, which splits a water molecule into hydrogen and oxygen, and the second half in a fuel cell, which puts them back together.

The current splits water molecules into oxygen and hydrogen, and bacteria in the water transform carbon dioxide and hydrogen into fuels or other useful chemicals.

Not exact matches

When fast neutrons released by the splitting of atoms (that is, nuclear fission) pass through heavy water, interactions with the heavy water molecules cause those neutrons to slow down, or moderate.

His trick: a hand - cranked device that generates electricity to zap water molecules, splitting them and joining them with chlorine atoms from salt.

Pinning down how and why acid molecules split in the presence of water could give insights into biochemistry and pollutants forming in the atmosphere

Chemist Daniel Nocera, head of the M.I.T.'s Solar Revolution Project, focused on one side of the equation: splitting water into its constituent hydrogen and oxygen molecules.

Using spectral readings from telescopes at the Keck Observatory in Hawaii, Hand has found high levels of oxidative chemicals such as sulfate, oxygen, sulfur dioxide and hydrogen peroxide on Europa's surface, which are produced as ionizing radiation from Jupiter scours it, splitting apart water molecules and sulfur compounds in the uppermost layers of its ice.

How the «moth eye solar cell» functions: with the help of sunlight water molecules are split into oxygen and hydrogen.

«You start with water, add energy to split the oxygen and hydrogen molecules apart, and get H2.

«The job of the photoanode is to absorb sunlight and then use that energy to oxidize water — essentially splitting apart the H2O molecule and rearranging the atoms to form a fuel.

Ancient organic matter trapped in rock might have been destroyed by water flowing through the rock, which would have split apart the organic molecules and produced carbon dioxide gas.

This represents a major advance towards the real time characterization of the formation of the oxygen molecule in photosystem II, and has yielded information that should prove useful for designing artificial solar - energy based devices to split water.»

At the photoanode side, water molecules are split into oxygen gas (O2), electrons and hydrogen protons through oxidation in the presence of sunlight and the thin film coating the team recently developed.

Both reactions convert a nonfluorescent organic molecule that's been added to the water - splitting cell to a fluorescent one.

The team figured out the steps that occur when a catalyst helps split an alcohol, generating water and a carbon - based molecule known as an alkene.

Methods: Directly measuring the amount of energy needed to split bonds inside a water molecule when it hits an oxide surface was a major challenge.

Tour's scientific research areas include nanoelectronics, graphene electronics, silicon oxide electronics, carbon nanovectors for medical applications, green carbon research for enhanced oil recovery and environmentally friendly oil and gas extraction, graphene photovoltaics, carbon supercapacitors, lithium ion batteries, CO2 capture, water splitting to H2 and O2, water purification, carbon nanotube and graphene synthetic modifications, graphene oxide, carbon composites, hydrogen storage on nanoengineered carbon scaffolds, and synthesis of single - molecule nanomachines which includes molecular motors and nanocars.

Superimposed on that are rectangles showing four steps of photosynthesis in extreme close - up: molecules of water going into the roots; yellow dots of sunlight filling a green chlorophyll vessel; energy emanating from one side of the chlorophyll vessel and splitting the water into two separate streams of oxygen and hydrogen; and energy emanating from the other side of the chlorophyll vessel, which demonstrates how the sun's energy is «trapped as little packets.»

The material is called synthetic molybdenum - sulphide and it goes a step beyond just being an excellent sponge for moisture, it also acts as a semi-conductor and catalyses the split of water molecules into oxygen and hydrogen.

The concentrated solar thermochemical process provides the most promising technology for splitting water and carbon - dioxide molecules, scientists say, because of its direct conversion of high - temperature solar process heat into chemical energy.

The indium phosphide nanoclusters are 400 times more likely to grab a photon passing through them than some organic molecules that have been used to split water.

But the energy costs to perform splitting outweigh the energy created from hydrogen when the Hydrogen is split from the water molecule H2O.