Organic Materials
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May 24 | News
Researchers
at the U.S. Air Force Research Laboratory have invented a simple,
inexpensive dip-and-dry treatment can convert ordinary silk into a
fabric that kills disease-causing bacteria—even the armor-coated spores
of microbes like anthrax—in minutes.
May 11 | News
A
French-American collaboration has developed a new combination of
polymers that makes it possible to design ultra-thin films capable of
self-organization with a 5-nm resolution. These hybrid copolymers are
based on sugars and oil-based macromolecules. Previous attempts using
nothing but oil-based molecules were limited to 20 nm in thickness.
May 7 | News
Researchers
in Switzerland have created a new nanocomposite that combines the best
features of graphene and protein fibrils, the two main ingredients of a
specialized type of paper. The material is created in much the same way
as normal cellulose paper, but the properties are far different. Shape
memory, electrical conductivity, and hydrophobia all offer interesting
application possibilities.
May 2 | News
Scientists
from Imperial College London have collaborated with colleagues at King
Abdullah University of Science and Technology in Saudi Arabia to produce
organic thin-film transistors that consistently achieve record-breaking
carrier mobility through careful solution-processing of a blend of two
organic semiconductors.
Apr 25 | News
By employing powerful X-rays that can see down to the molecular level of organic materials used in printable electronics, researchers are now able to determine why some materials perform better than others. Their findings could lead to cheaper, more efficient printable electronic devices.
Apr 24 | News
Detailed studies of one of the best-performing organic photovoltaic materials reveal an unusual bilayer lamellar structure that may help explain the material’s superior performance at converting sunlight to electricity and guide the synthesis of new materials with even better properties.
Apr 19 | News
Researchers
in Germany have enhanced the capabilities of solid-state nanopores by
fitting them with cover plates made of DNA. These nanoscale cover
plates, with central apertures tailored to various functions, are formed
by so-called DNA origami—the art of programming strands of DNA to fold
into custom-designed structures with specified chemical properties.
Apr 19 | News
More
than a million Americans receive an artificial hip or knee prosthesis
each year, but tens of thousands of people need early replacements
because of loosening joints. To help minimize these operations, a team
of chemical engineers at Massachusetts Institute of Technology has
developed a thin, layered coating for implants that helps promote bone
growth.
Apr 13 | News
Cornell
materials scientists have developed an inexpensive, environmentally
friendly way of synthesizing oxide crystal sheets, just nanometers
thick, which have useful properties for electronics and alternative
energy applications. Unlike typical oxides, these sheets are conducting,
and could be ideal for use in thermoelectric devices to convert waste
heat into power.
Apr 12 | News
Pressure-treated
wood is a valuable invention, but the chemicals used to preserve it
from decay can leach out, where they can be toxic to bugs, fungi and
other creatures. A team of Michigan Technological University scientists
has used nanotechnology to keep the chemicals inside the wood where they
belong.
