Gold's unexpected oxidation activity: Decoding the role of water in gold nanocatalysis
Researchers from the University of Houston and Trinity University have for the first time provided direct evidence of a water-mediated reaction mechanism for the catalytic oxidation of carbon monoxide.
Water's reaction with metal oxides opens doors for researchers
A multi-institutional team has resolved a long-unanswered question about how two of the world's most common substances interact.
Chameleon crystals could enable active camouflage (w/ video)
(Phys.org) —The ability to control crystals with light and chemistry could lead to chameleon-style color-changing camouflage for vehicle bodies and other surfaces.
Water behavior breakthrough opens a crucial door in chemistry
(Phys.org) —A multi-institutional team has resolved a long-unanswered question about how two of the world's most common substances interact.
3D graphene: Solar cells' new platinum?
One of the most promising types of solar cells has a few drawbacks. A scientist at Michigan Technological University may have overcome one of them.
Propylene oxide: Light may recast copper as chemical industry 'holy grail'
Wouldn't it be convenient if you could reverse the rusting of your car by shining a bright light on it? It turns out that this concept works for undoing oxidation on copper nanoparticles, and it could lead to an environmentally ...
Rust never sleeps—Observations of electron hopping in iron oxide hold consequences for environment and energy
(Phys.org)—Rust—iron oxide—is a poor conductor of electricity, which is why an electronic device with a rusted battery usually won't work. Despite this poor conductivity, an electron transferred to ...
Chemists mimic bombardier beetles to safeguard ATMs
Exposure to air transforms gold alloys into catalytic nanostructures
(Phys.org) —Gold bars may signify great wealth, but the precious metal packs a much more practical punch when shrunk down to just billionths of a meter. Unfortunately, unlocking gold's potential often requires ...
Availability of hydrogen controls chemical structure of graphene oxide
A new study shows that the availability of hydrogen plays a significant role in determining the chemical and structural makeup of graphene oxide, a material that has potential uses in nano-electronics, nano-electromechanical ...
New twist on old chemical process could boost energy efficiency
Chemical reactions on the surface of metal oxides, such as titanium dioxide and zinc oxide, are important for applications such as solar cells that convert the sun's energy to electricity. Now University of ...
Single ion shuttles the critical electron in fuel cell CO conversion
Not present when the reaction starts or ends, the driving force behind turning poisonous carbon monoxide into a benign form is a single atom that appears in the heat of action, according to scientists at ...
Engineers use brilliant X-rays to illuminate catalysis, revise theories
Many of today's most promising renewable energy technologies – fuel cells, water splitters and artificial photosynthesis – rely upon catalysts to expedite the chemical reactions at the heart of their ...
Mapping redox switches in cyanobacteria advances use as biofuel
Chemical reactions involving reduction and oxidation, or redox, play a key role in regulating photosynthesis in plants and metabolism in animals and humans, keeping things running on an even keel. Now, in ...