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Fundamental discovery could speed development of efficient semiconductor-catalytic junctions
With the help of a new method called "dual-electrode photoelectrochemistry," University of Oregon scientists have provided new insight into how solar water-splitting cells work. An important and overlooked parameter, they report, is the ion-permeability of electrocatalysts used in ...
Better understanding of hardy bacteria enhances tool for biofuel creation
Scientists have charted a significant signaling network in a tiny organism that's big in the world of biofuels research. The findings about how a remarkably fast-growing organism conducts its metabolic business bolster scientists' ability to create biofuels using the hardy microbe ...
Reaction replicates formation of first silicate dust; oxygen isotopes match mix seen in stony meteorites
Cosmochemists have solved a long standing mystery in the formation of the solar system: Oxygen, the most abundant element in Earth's crust, follows a strange, anomalous pattern in the oldest, most pristine rocks, one that must result from a different chemical process than the well-understood ...
Tiny clusters of particles zip forward, spin, or circle depending on their shape
Scientists studying the behavior of platinum particles immersed in hydrogen peroxide may have discovered a new way to propel microscopic machines. Micro-sized machines operate under very different conditions than their macro-sized counterparts. The high surface-area-to-mass ratio of tiny ...
A novel device that uses only sunlight and wastewater to produce hydrogen gas could provide a sustainable energy source while improving the efficiency of wastewater treatment
A research team led by Yat Li, associate professor of chemistry at the University of California, Santa Cruz, developed the solar-microbial device and reported their results in a paper published in the journal ACS Nano. The hybrid device combines a microbial fuel cell (MFC) and a type of solar ...
Boston College chemists produce power boost critical to novel energy harvesting applications
Chemists at Boston College have achieved a series of breakthroughs in their efforts to develop an economical means of harnessing artificial photosynthesis by narrowing the voltage gap between the two crucial processes of oxidation and reduction, according to their latest research, published ...
Nano-thin films of hexagonal boron nitride protect materials from oxidizing
Atomically thin sheets of hexagonal boron nitride (h-BN) have the handy benefit of protecting what’s underneath from oxidizing even at very high temperatures, Rice University researchers have discovered. One or several layers of the material sometimes called “white graphene” keep materials ...
One of the thinnest membranes ever made is also highly discriminating when it comes to the molecules going through it. Engineers at the University of South Carolina have constructed a graphene oxide membrane less than 2 nanometers thick with high permeation selectivity between hydrogen and ...
Bug spray, citronella candles, mosquito netting – most people will do anything they can to stay away from insects during the warmer months. But those creepy crawlers we try so hard to avoid may offer substantial solutions to some of life’s problems. Researchers using the cutting-edge X-ray ...
Interdisciplinary team creates 'microbial battery' driven by naturally occurring bacteria that evolved to produce electricity as they digest organic material
Engineers at Stanford University have devised a new way to generate electricity from sewage using naturally-occurring "wired microbes" as mini power plants, producing electricity as they digest plant and animal waste. In a paper published in the Proceedings of the National Academy of ...