News tagged with copolymers
A Polymer Solar Cell with Near-Perfect Internal Efficiency
An international group of scientists has developed a polymer-based solar cell with an ability not yet seen in similar cells: almost every single photon it absorbs is converted into a pair of electric-charge carriers, and ...
Jun 17, 2009 |
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'Writing' Patterns on Carbon Nanotubes With Polymer Chains
(PhysOrg.com) -- Carbon nanotubes are at the center of the nanoelectronics research movement, with scientists making great progress toward getting nanotube-based electronic devices into the hands of consumers. ...
Nanotechnology / Nanomaterials
May 19, 2009 |
4.4 / 5 (12) |
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Emerging theoretical framework may guide researchers through the complex world of multiblock polymers
(Phys.org) -- Thanks to advances in polymer chemistry and a wide variety of monomer constituents to choose from, the world of multiblock polymers is wide open. These polymers can result in an astonishing array ...
Apr 26, 2012 |
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Self-assembling nanorods: Researchers obtain 1-, 2- and 3-D nanorod arrays and networks
(PhysOrg.com) -- A relatively fast, easy and inexpensive technique for inducing nanorods - rod-shaped semiconductor nanocrystals - to self-assemble into one-, two- and even three-dimensional macroscopic structures ...
Nanotechnology / Nanomaterials
Feb 01, 2012 |
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Chemically assembled metamaterials may lead to superlenses
(PhysOrg.com) -- Nanomanufacturing technology has enabled scientists to create metamaterials -- stuff that never existed in nature -- with unusual optical properties. They could lead to "superlenses" able ...
Nov 02, 2011 |
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Polymer membranes with molecular-sized channels that assemble themselves
(PhysOrg.com) -- Many futurists envision a world in which polymer membranes with molecular-sized channels are used to capture carbon, produce solar-based fuels, or desalinating sea water, among many other ...
Nanotechnology / Nanomaterials
Jan 11, 2011 |
5 / 5 (2) |
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Bioengineers succeed in producing plastic without the use of fossil fuels
A team of pioneering South Korean scientists have succeeded in producing the polymers used for everyday plastics through bioengineering, rather than through the use of fossil fuel based chemicals. This groundbreaking research, ...
Nov 23, 2009 |
4.9 / 5 (17) |
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New nanostructure-based process will streamline production of magnetic materials
Scientists at the University of Massachusetts Amherst report that for the first time they have designed a much simpler method of preparing ordered magnetic materials than ever before, by coupling magnetic ...
Sep 27, 2011 |
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Study discovers amazing electrical properties in polymers
(PhysOrg.com) -- Crystals and ceramics pale when compared to a material researchers at Oak Ridge National Laboratory discovered that has 10 times their piezoelectric effect, making it suitable for perhaps hundreds of everyday ...
Sep 23, 2011 |
4.9 / 5 (10) |
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Rainbows without pigments offer new defense against fraud
Scientists from the University of Sheffield have developed pigment-free, intensely coloured polymer materials, which could provide new, anti-counterfeit devices on passports or banknotes due to their difficulty ...
May 18, 2011 |
4.8 / 5 (6) |
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A nano-Solution to global water problem: Nanomembranes could filter bacteria
(PhysOrg.com) -- New nanomaterials research from the University at Buffalo could lead to new solutions for an age-old public health problem: how to separate bacteria from drinking water.
Nanotechnology / Nanomaterials
Feb 21, 2011 |
5 / 5 (5) |
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Exotic discovery made in soft polymer
Professor Frank S. Bates and his research team at the University of Minnesota in Minneapolis have discovered an unusual type of soft material that was conceived of over 50 years ago, but has never before been ...
Jan 04, 2011 |
3.5 / 5 (4) |
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Big steps in creating small chips
(PhysOrg.com) -- Plastic, heated in a simple microwave oven, is the technique researchers at the University of Alberta and the National Institute for Nanotechnology believe could help to re-invent the manufacture ...
Nov 04, 2010 |
4.8 / 5 (17) |
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Lessening the Penalty for Creating Block Copolymer Nanostructures
How do you make a material that has the elasticity of a rubber band and the thermal insulation of a Styrofoam cup? Connect two distinct polymer chains - poly(isoprene) and poly(styrene) - end to end like a ...
Nanotechnology / Nanomaterials
Jul 19, 2010 |
5 / 5 (6) |
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Chemists mimic library of bio-membranes for use in nanomedicine, drug delivery
An international collaboration led by chemists and engineers from the University of Pennsylvania has prepared a library of synthetic biomaterials that mimic cellular membranes and that show promise in targeted ...
Nanotechnology / Bio & Medicine
May 20, 2010 |
5 / 5 (5) |
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