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A Wet Way to Better Burning? New catalyst uses energy in sunlight to generate hydrogen gas, a carbon-free fuel

A Wet Way to Better Burning? New catalyst uses energy in sunlight to generate hydrogen gas, a carbon-free fuel | Messenger for mother Earth | Scoop.it
Technology is always looking for ways to make it easier to be green. Now, researchers in New York state report creating a new long-lived catalyst that uses the energy in sunlight to generate hydrogen gas, a carbon-free fuel. With further improvements, the advance could lead to systems that use sunlight to split water molecules, generating a fuel that can power cars and trucks without emitting any greenhouse gases.

 

The idea of using sunlight to convert water into a fuel may sound fanciful. But plants do it: They capture photons of sunlight and use that energy to split water molecules into their constituents of hydrogen and oxygen ions. Pairs of hydrogen ions are then knitted together with a pair of electrons (swiped from the oxygen ions) to make hydrogen molecules (H2).

 

Researchers have actually mimicked this same reaction for many years, but the catalysts they use to do so have been either too expensive or too quick to break down. So the search has been on for cheaper, more rugged catalysts.

 

In the current study, reported online today in Science, researchers at the University of Rochester led by chemists Richard Eisenberg and Todd Krauss coated cadmium selenide nanoparticles with short organic chainlike molecules, abbreviated DHLA. This coating of DHLA chains allowed the nanoparticles to dissolve in water. And the individual chains were so short that they allowed the catalyst's nickel ions—also in the solution—to nuzzle close enough to the nanoparticles to grab the electrons and knit H2 molecules together. The Rochester team found that the catalysts were not only fast actors, knitting as many as 7000 H2 molecules every hour, but kept doing so for weeks on end without falling apart—a major advance over other H2-knitting catalysts.

 

Daniel DuBois, a chemist and hydrogen catalyst designer recently retired from the Pacific Northwest National Laboratory in Richland, Washington, calls the new work "a very nice contribution to the area" and says he's particularly impressed with the catalyst's durability. Even so, the new light harvester-catalyst combo isn't quite ready for the real world. For their current experiment, the Rochester researchers didn't actually split water molecules to generate their hydrogen ions. Rather, they added vitamin C, which readily gives up hydrogen, to their solution. So the Rochester group still needs to show that their H2-making compounds will carry out the same reaction using water. If they do, they may give plants a run for their money in green technology.


Via Dr. Stefan Gruenwald
CineversityTV's insight:

The only thing we are worried about is nano particles, bc they can create cancer.

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Hague #climate change judgement will inspire a global civil movement #renewables #justice

Hague #climate change judgement will inspire a global civil movement #renewables #justice | Messenger for mother Earth | Scoop.it
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Could a Man and Some #Mushrooms Bring an End to #Monsanto? natural #pesticide #herbicide

Could a Man and Some #Mushrooms Bring an End to #Monsanto? natural #pesticide #herbicide | Messenger for mother Earth | Scoop.it
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'Top Predator' Humans Causing Catastrophic #Ecosystem Shifts #pollution #environment

'Top Predator' Humans Causing Catastrophic #Ecosystem Shifts #pollution #environment | Messenger for mother Earth | Scoop.it
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Grocers: #Vermont #GMO law could lead to fines of $10M a day #YES !!!!!!!

U.S. News & World Report
Grocers: Vermont GMO law could lead to fines of $10M a day
U.S. News & World Report
MONTPELIER, Vt.
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How Big Business teamed with the #corrupt #US Supreme Court to destroy the #environment

How Big Business teamed with the #corrupt #US Supreme Court to destroy the #environment | Messenger for mother Earth | Scoop.it
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Robert #Redford takes #climate change message to the #UN

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Retreating sea ice linked to changes in ocean circulation, WILL affect European #climate

Retreating sea ice linked to changes in ocean circulation, WILL affect European #climate | Messenger for mother Earth | Scoop.it
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#corrupt U.S. corporate owned aka Supreme court rules against Obama administration over air #pollution rule

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BREAKING: The #corrupt #US Supreme Court Will Allow #Coal Plants To Emit Unlimited Mercury

BREAKING: The #corrupt #US Supreme Court Will Allow #Coal Plants To Emit Unlimited Mercury | Messenger for mother Earth | Scoop.it
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Why not? #Environment #Canada not confirming reports of #tornadoes during storms #climate

Why not? #Environment #Canada not confirming reports of #tornadoes during storms #climate | Messenger for mother Earth | Scoop.it
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#Pope Francis’s environmental message brings thousands on to streets in #Rome #climate

#Pope Francis’s environmental message brings thousands on to streets in #Rome #climate | Messenger for mother Earth | Scoop.it
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'Very High Levels of #Arsenic' in Top-Selling #USA #Wines #EPA 500% too high

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#California Set to Mandate Childhood #Vaccines Amid Intense Fight #health #cancer | Messenger for mother Earth | Scoop.it
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#Africa’s Vultures Are Collapsing to #Extinction | Messenger for mother Earth | Scoop.it
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#California Mandates #Vaccines for Schoolchildren #cancer #health weakening of immune system

#California Mandates #Vaccines for Schoolchildren #cancer #health weakening of immune system | Messenger for mother Earth | Scoop.it
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Concern on continent as #heatwave set to drive temperatures beyond 40C in #Europe #climate

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#China Just Made Its Plans To Fight #Climate Change Official

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On Tuesday, China released long-awaited final greenhouse gas targets as part of its submission to the United Nations climate talks in Paris later this year.
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#Pope Francis and Neil Young Take a Stand Against #GM Crops #GMO

#Pope Francis and Neil Young Take a Stand Against #GM Crops #GMO | Messenger for mother Earth | Scoop.it
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#evil #US #Monsanto to spend $1B to produce #Dicamba, yet another toxic #herbicide #greenpeace

#evil #US #Monsanto to spend $1B to produce #Dicamba, yet another toxic #herbicide #greenpeace | Messenger for mother Earth | Scoop.it
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#Melting #Arctic sea ice WILL disrupt the oceans’ circulation—with major consequences

#Melting #Arctic sea ice WILL disrupt the oceans’ circulation—with major consequences | Messenger for mother Earth | Scoop.it
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Dead #Dolphins In #Fukushima Stranding Found With White Radiated... #radiation

Dead #Dolphins In #Fukushima Stranding Found With White Radiated... #radiation | Messenger for mother Earth | Scoop.it
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In #Wyoming #USA it’s now illegal to collect data about #pollution #greenpeace #avaaz

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Scientists Detect Mysterious #Warming in U.S. Coastal Waters #global #climate #science

Scientists Detect Mysterious #Warming in U.S. Coastal Waters #global #climate #science | Messenger for mother Earth | Scoop.it
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Will Humans Survive the Sixth Great #Extinction? NO. #pollution #environment

Will Humans Survive the Sixth Great #Extinction? NO. #pollution #environment | Messenger for mother Earth | Scoop.it
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#FF Chemical Mixtures May Lead to #Cancer #science #climate #pollution

#FF Chemical Mixtures May Lead to #Cancer #science #climate #pollution | Messenger for mother Earth | Scoop.it
A recently published scientific paper came to a striking conclusion – “the cumulative effects of individual (non-carcinogenic) chemicals acting on different pathways, and a variety of related systems, organs, tissues and cells could plausibly conspire...
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