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38 Current news of University of Texas at Austin
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Graphene for real-world devices
New research in phonon scattering sheds more light on graphene as a replacement for silicon
08-May-2014
Graphene, a one-atom-thick form of the carbon material graphite, has been hailed as a wonder material — strong, light, nearly transparent, and an excellent conductor of electricity and heat. But a number of practical challenges must be overcome before it can emerge as a replacement for silicon ...
Sensitive detection method may help impede illicit nuclear trafficking
Special algorithm coupled with commercial X-ray scanners may enable detection of small amounts of fissile materials in luggage
17-Apr-2014
According to the International Atomic Energy Agency (IAEA) the greatest danger to nuclear security comes from terrorists acquiring sufficient quantities of plutonium or highly enriched uranium (HEU) to construct a crude nuclear explosive device. The IAEA also notes that most cases of illicit ...
Metamaterials that act as an analog computer
14-Jan-2014
The field of metamaterials has produced structures with unprecedented abilities, including flat lenses, invisibility cloaks and even optical "metatronic" devices that can manipulate light in the way electronic circuitry manipulates the flow of electrons. Now, the birthplace of the digital ...
Hydrazine has nowhere to hide
29-Aug-2013
Scientists in the US and Korea have developed a highly sensitive fluorescent probe that can detect a toxic chemical used in industrial processes in a variety of different environments – including living cells. Hydrazine is used in in many different applications – as the gas-forming agent in air ...
Chemical reaction could streamline manufacture of pharmaceuticals and other compounds
The reaction resolves a long-standing challenge in organic chemistry
25-Jul-2013
Researchers at The University of Texas at Austin have discovered a new chemical reaction that has the potential to lower the cost and streamline the manufacture of compounds ranging from agricultural chemicals to pharmaceutical drugs. The reaction resolves a long-standing challenge in organic ...
A Bright Future for Silicon
Ordered nanocrystal arrays may provide a new platform to study and tailor the light-emitting properties of silicon
23-Nov-2012
US scientists at the University of Texas at Austin and Cornell University have fabricated the first ordered arrays of silicon nanocrystals reported to date. Brian A. Korgel and colleagues developed a new chemical method to generate tiny silicon crystals—or quantum dots—with precisely controlled ...
Discovery of a 'dark state' could mean a brighter future for solar energy
Maximum theoretical efficiency of solar cells could increase from 31 to 44 percent
20-Dec-2011
The efficiency of conventional solar cells could be significantly increased, according to new research on the mechanisms of solar energy conversion led by chemist Xiaoyang Zhu at The University of Texas at Austin. Zhu and his team have discovered that it's possible to double the number of ...
Fingerprinting red wine
06-Dec-2010
A sensor that can discriminate between different tannins and be used to fingerprint a wide variety of red wines to confirm their authenticity has been developed. US scientists report in Chemical Science that they made the sensor with colour-changing indicators. They used it to test wine samples ...
Electron switch between molecules points way to new high-powered organic batteries
17-Sep-2010
The development of new organic batteries—lightweight energy storage devices that work without the need for toxic heavy metals—has a brighter future now that chemists have discovered a new way to pass electrons back and forth between two molecules. The research is also a necessary step toward ...
Tiny test tube experiment shows reaction of melting materials at the nano scale
19-Oct-2009
Researchers at The University of Texas at Austin have conducted a basic chemistry experiment in what is perhaps the world's smallest test tube, measuring a thousandth the diameter of a human hair. The nano-scale test tube is so small that a high-power electron microscope was required to see the ...
