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Chemistry World April 15, 2010 Simon Hadlington |
Lead joins the aromatic ring club Scientists in Japan have successfully incorporated an atom of lead into an aromatic molecule - the heaviest metal so far to be 'aromatised'. |
Chemistry World January 20, 2010 James Urquhart |
Disilicate synthesis success A compound containing a stable silicon-silicon bond between two negatively charged pentacoordinated silicon atoms - silicates - has been synthesized and isolated for the first time by Japanese researchers. |
Chemistry World August 21, 2008 Fred Campbell |
Double bonding with silicon In a landmark for silicon chemistry, US researchers have reported the first stable silicon (0) compound to contain a silicon-silicon double bond. |
Chemistry World November 9, 2011 Laura Howes |
Zap and the Aromaticity is Gone German chemists have shown that it's possible to turn off aromaticity with a blast from a laser beam. |
Chemistry World October 9, 2014 Katrina Kramer |
Largest Mobius molecule synthesized Researchers from Korea and Japan have put a new twist on aromaticity, synthesizing the largest Mobius aromatic molecule to date. |
Chemistry World May 28, 2015 Matthew Gunther |
Purely inorganic aromatic ion synthesized Scientists in the US have successfully synthesized an aromatic ion made from only nitrogen and phosphorus. The anion is a rare example of a stable aromatic species containing no carbon atoms. |
Chemistry World August 14, 2012 Andy Extance |
Carbon clusters score lucky seven US and Chinese chemists say that they've calculated the structure of a stable carbon dication that would have a higher coordination number than any yet seen experimentally. |
Chemistry World November 11, 2012 Simon Hadlington |
'Nano-welding' taken to the limits as specific bonds are cut and formed In a remarkable demonstration of the extreme limits of nanoscale engineering, researchers from the US and China have used the tip of a scanning tunnelling microscope to cleave and form selected chemical bonds on a complex molecule. |
Chemistry World April 28, 2014 Simon Hadlington |
Elusive sigma aromaticity captured Chemists in the US have created a unique transition metal hydride in which the hydrogens form a five-membered aromatic ring, something that had been theorized, but until now never seen. |
Chemistry World May 13, 2013 Philip Ball |
The name's (quadruple) bond? The nature of C 2 is still imperfectly understood and has recently sparked extensive debate in the chemical literature. The question seems simple: how are the two atoms bonded? |
Chemistry World March 3, 2010 Jon Cartwright |
Hydrocarbon turns superconductor Researchers in Japan have created the first superconducting material based on a molecule of carbon and hydrogen atoms. |
Reactive Reports Issue 54 David Bradley |
Metals Take on Carbon's Bonding Characteristics A rethink about chemical bonding might be in the cards thanks to research that shows that the metal indium forms bonds in a manner not dissimilar to organic carbon atoms. |
Chemistry World April 28, 2011 Simon Hadlington |
New method for aromatic coupling Chemists in Switzerland have developed a way to couple aromatic rings through the Friedel-Crafts mechanism - something many people would have believed impossible. |
Chemistry World March 2, 2015 Andy Extance |
Chemists zinc up 'aromatic' metal cubes Researchers in China and the US have synthesized polyzinc clusters that have pushed back the boundaries of the kind of aromatic structures chemists can make. |
Chemistry World April 20, 2015 Andy Extance |
Longer-lived oxides offer silicon synthesis boost Silicon and oxygen have been harnessed into previously unknown chemistry by US researchers, opening up a new 'world in a grain of sand'. |
Chemistry World November 18, 2014 Tim Wogan |
New silicon allotrope could revolutionize solar cells A new, direct band gap allotrope of silicon has been synthesized by researchers in the US. It could potentially revolutionize solar cells and light-emitting devices. |
Chemistry World March 19, 2009 Manisha Lalloo |
Copper catalysts give meta aromatics UK Researchers have discovered that, simply by using a copper catalyst, they are able to perform tricky substitution reactions at a difficult position on benzene rings |
Chemistry World March 5, 2007 Richard Van Noorden |
Desperately Seeking Silicon Silicon has been blamed for the faulty fuel that caused thousands of UK cars to break down last week. How can a silvery-gray semi-metal popularly known to be used in computer chips have found its way into gasoline? |
Chemistry World September 18, 2015 Tim Wogan |
Shining a light on amine synthesis A new method for site selective amination of aromatic organic compounds has been developed by researchers in the US. |
Chemistry World January 24, 2010 Andy Extance |
Boron cluster forms unique ring system Clusters of nineteen boron atoms gather together in a ring structure unlike any other seen, with two planar -bonded aromatic systems nestled inside one another. |
Chemistry World January 28, 2015 |
Rubriflordilactone A It's likely that organic chemists have been practicing retrosynthesis in one form or another for at least a century, and certainly for decades before E J Corey formalized the concept in the mid-1990s |
Reactive Reports Issue 37 David Bradley |
Chemists Hail a New Antioxidant A new family of antioxidants that are 100 times more effective than Vitamin E could be used at much smaller doses in dietary supplements and cosmetics but provide the same benefits. |
Chemistry World July 6, 2006 Michael Gross |
Insecticide Simplified A rapid, flexible way to make variants of potent insecticide molecules known as spinosyns could help to combat the growing problem of insect resistance, according to German chemists. |
Chemistry World December 15, 2010 Hayley Birch |
New technique probes electron properties of individual atoms A new, low voltage electron microscopy technique allows scientists to discriminate not just between atoms of different elements but between atoms of the same element in different electronic states. |
BusinessWeek September 23, 2010 Oliver Staley |
Innovator: Walt de Herr Smaller, power-hungry processors push the limits of silicon. Physicist Walt de Heer thinks nanotechnology can provide a solution. |
Chemistry World January 29, 2015 Santiago Alvarez |
What we mean when we talk about bonds The chemical bond is still a matter of lively debate among chemists, even a century after Gilbert Lewis introduced his electron pair bonding concept. |
Chemistry World May 24, 2007 James Mitchell Crow |
Palladium Coupling in Fewer Steps Look out Suzuki - Canadian chemists have successfully joined up simple benzene ring-like aromatics without any pre-activation. |
Chemistry World March 7, 2007 Lionel Milgrom |
Diatoms Transformed Into Silicon Sensors Materials scientists have found a simple method of converting frustules - the intricate silica-based skeletons of common single celled photosynthetic organisms called diatoms - into pure silicon structures with many applications. |
Chemistry World July 7, 2014 Jennifer Newton |
Buckyball boron Systematic structure-searching calculations performed by scientists in China have put forward an all-boron analogue of fullerene: B 38. |
Chemistry World September 6, 2007 Tom Westgate |
Probe Maps Individual Atoms in Semiconductor Troublesome clusters of dopant atoms have been 'seen' for the first time. Researchers have drawn up the first 3D maps of the individual atoms in a semiconductor. |
Chemistry World March 21, 2007 Richard Van Noorden |
Forcing a Reaction US chemists have forced molecules to react by ripping their bonds apart with ultrasound. The scientists carefully stretched one targeted bond until it snapped, guiding the molecule's subsequent reaction into pathways forbidden by conventional chemistry. |
Chemistry World February 14, 2010 Simon Hadlington |
Efficient solar cells from silicon wires US researchers have designed a new silicon-based solar cell which uses 100 times less silicon than conventional photovoltaic devices. |
Chemistry World September 19, 2014 Hayley Simon |
Dragonfly crystals on a silicon wafer Individual, dragonfly-shaped crystals have been grown on the surface of a silicon wafer dipped slowly into a solution of dotriacontane -- a 32 carbon alkane. |
Chemistry World October 15, 2015 Victoria Richards |
C 50 breaks all the rules European scientists have found that the rules of aromaticity need to be rewritten if they are to ever discover a superaromatic fullerene. |
Popular Mechanics December 20, 2007 Logan Ward |
New Nanowire Battery Life Reaches From iPods to Electric Cars Lithium-ion batteries that power most devices may soon be able to hold 10 times as much power. |
Chemistry World November 26, 2012 David Bradley |
Spotting silicon in graphene, it's dope A combination of scanning transmission electron microscopy and atomic-resolution spectroscopic techniques has allowed US researchers to pick out individual silicon atoms in a doped graphene sheet. |
Chemistry World July 16, 2015 Jenny Lovell |
Alkyne insertion imparts silicon stereochemistry Scientists in Japan have reported a way of inserting alkynes into carbon -- silicon bonds, also known as alkynylsilylation, that creates silicon stereogenic centers with high enantioselectivity. |
Technology Research News December 1, 2004 Kimberly Patch |
Solar Cell Doubles as Battery Scientists have designed a single, compact device that can both convert solar energy to electricity and store the electricity. |
Scientific American August 2005 Steven Ashley |
Making Light of Silicon Scientists at UCLA and Intel have obtained coherent photons of light from silicon. This low cost alternative to "exotic" semiconductor materials currently used as lasers will pave the way for many technological advances. |
Chemistry World July 2, 2012 Philip Ball |
Imaging icons To celebrate the London 2012 Olympics, David Fox and Anish Mistry at the University of Warwick, UK, synthesised olympicene -- a polyaromatic hydrocarbon of five fused rings. |
Chemistry World October 2007 Philip Ball |
The Crucible Feel free to make photovoltaics better. But don't forget they have to be cheaper, too. |
Technology Research News December 1, 2004 Eric Smalley |
Pure Silicon Laser Debuts Researchers have made a prototype laser from silicon. The laser is tunable, meaning it can lase in a range of wavelengths, or colors, and it works at room temperature. |
Technology Research News January 12, 2005 |
Silicon Surfaces Speed Circuits Researchers have devised a way to use the chemistry of silicon surfaces to make smaller chip features. |
Technology Research News March 9, 2005 |
Silicon Chip Laser Goes Continuous Useful lasers made from silicon would make it possible to move data between and within computer chips using light rather than electricity. This would make for faster chips that could be more tightly integrated with optical communications equipment. |
Chemistry World July 8, 2011 Mike Brown |
Pi-stacking better without the aromatics? Scientists in the US have discovered that electrons confined to their double bonds can sometimes deliver stronger pi-stacking interactions than those roaming free in aromatic systems. |
Geotimes November 2003 Lisa Corathers |
Mineral Resource of the Month: Silicon The Silicon Commodity Specialist for the U.S. Geological Survey has compiled this information about silicon, an extremely versatile mineral with many applications in the manufacture of iron and steel, aluminum alloys, chemicals, and electronic microchips. |
Chemistry World March 2012 |
Column: In the pipeline Drug discovery requires experimentation, says Derek Lowe. But chemists can be reluctant to stray from the elements they know and love |
Military & Aerospace Electronics April 2007 Gurnett & Adams |
Merging the Functionalities of Silicon, and III-Vs: Two Promising Approaches One of the least flexible rules in electronic design is the need to keep silicon devices, and compound semiconductor devices separate. Two new developments are now threatening to make this rule partly or entirely obsolete. |
IEEE Spectrum October 2005 Salvatore Coffa |
Light From Silicon For decades, silicon was a semiconducting dim bulb, but now we can make it into LEDs that match the best made from more exotic materials |
Technology Research News September 8, 2004 |
Pure Crystal Promises Hardy Chips Silicon carbide is hardier than than the plain silicon most computer chips are made from, and so theoretically could be a useful material for computer chips that must withstand extreme environments and high-power applications. |