Manufacturing Industry
Block copolymers self-assemble into three-dimensional shapes.(EMERGING TECHNOLOGY)
Advanced Materials & Processes, April, 2006
Three-dimensional nanoscale structures with potential applications ranging from catalysis and chemical separation to semiconductor manufacturing, have reportedly been formed by an international team of scientists affiliated with the University of Wisconsin Nanoscale Science and Engineering Center, Madison.
The team has discovered that materials known as block copolymers will spontaneously assemble into intricate three-dimensional shapes when deposited onto particular two-dimensinoal surface patterns printed via photolithography. At high temperatures, block copolymers are molten and randomly mixed. But when cooled, the material spontaneously assembles into alternating layers of molecules. Also important to manufacturing, the new 3-D nanostructures are stable,...
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