Archives :: Chementator :: Electronics Chemicals

Displaying 1 - 13 of 13 stories.
October 1, 2014
Researchers from the National Institute of Advanced Industrial Science and Technology (AIST; Tsukuba City, Japan;, with support from New Energy and Industry Technology Development Org. (NEDO; Kawasaki City; Japan; have developed a technology to efficiently synthesize tetra-alkoxy-silane — a promising raw material for organosilicon compounds, such as silicone. Such...
September 1, 2014
Crystal Solar Inc. (Santa Clara, Calif.; is preparing for high-volume production of silicon wafers using a process that forms the wafers directly from trichlorosilane (TCS) gas using a chemical vapor deposition (CVD) epitaxy process that can significantly lower the manufacturing costs for solar photovoltaic cells. By eliminating several steps used in the traditional solar-wafer...
April 1, 2014
Lithium is an element of growing importance for the production of batteries and nuclear fuels. Because Japan relies completely on imports of this material, with the majority coming from South America, the country is looking for alternative sources for this element. The answer may be in the island-nation’s own “backyard” — namely, seawater. A promising, “revolutionary”...
January 1, 2014
A high-throughput method for synthesizing ionic-liquid-containing electrolytes developed by Boulder Ionics Corp. (Arvada, Colo.; has been refined to enable its use in commercial production. Boulder Ionics had previously piloted the continuous process for producing advanced ionic-liquid (IL) electrolytes at high purity and low cost for use in next-generation batteries and...
November 1, 2013
Researchers from the Australian National University (ANU; Canberra;, and the University of New South Wales (Sydney, Australia; claim to have obtained a temperature- and frequency-independent colossal permittivity (CP) material with a low dielectric loss, making it strikingly superior to typical existing CP materials. “We believe this work breaks through the logjam...
March 1, 2013
Microwave irradiation of graphite has been shown to produce graphene oxide with 90% yield by the research group of professor Yuta Nishina, Research Core for...
March 1, 2013
A team from Monash University (Melbourne, Australia; has prepared graphene monoliths with a cork-like hierarchical structure, exhibiting ultra-low density, superelasticity, good electrical conductivity and high efficiency of energy absorption. The ability to maintain structural integrity upon large deformation is important for many emerging applications, such as flexible electronic...
March 1, 2013
An inexpensive and scalable process that uses supercritical (SC) liquids to make large quantities of graphene is being developed by the group of professor Itaru Honma at the Institute of Multidisciplinary Research for Advanced Materials, Tohoku University (Sendai;, in collaboration with Showa...
May 1, 2012
A novel cold-dry process makes possible the utilization of fine form-factor silicon, such as granules and sand-like fines, in the production of high-purity polysilicon for solar photovoltaic cells and semiconductors, where such fine-grained material would normally have to be sent back up the supply chain rather than into the crucible. The patent-pending drying system, known as FlashDry, was developed by...
March 1, 2012
Last month, W. L. Gore & Associates (Gore; Elkton, Md.; introduced what is claimed to be the worlds first 20-nm-rated polytetrafluoroethylene (PTFE) filter that is available in a...
November 1, 2011
The two basic energy-storage devices — dielectric and double-layer capacitors — entail serious limitations. Dielectric capacitors have low capacitance, on the order of 0.1 to 1.0 µF/cm2, while the double-layer capacitor has a high capacitance, on the order of 0.5 to 5.0 F/cm2, but suffers from difficulties in scaling up and high fabrication costs. Now researchers from the National...
September 1, 2011
Since the isolation of graphene by the “Scotch tape” method, many researchers have tried to synthesize solution-dispersible graphene. The challenge has been to develop a high-yield method that can exfoliate graphite efficiently into solution-dispersible graphene sheets without collateral damage to the graphene due to oxidation, or due to the use of a strong acid. A nonoxidative electrochemical...
July 1, 2011
A novel nickel-manganese-gallium alloy, introduced by Goodfellow Corp. (Oakdale, Pa.;, elongates in a magnetic field, allowing the conversion of magnetic field energy into kinetic energy. The material offers an alternative to conventional actuators, and could find other uses in energy harvesting systems, breaker switches, sensors and others. Grown as a single crystal using a modified...

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