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Nano Lett. 2007 Sep;7(9):2789-94. Epub 2007 Aug 11.

Orientational order in block copolymer films zone annealed below the order--disorder transition temperature.

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1
Polymers Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899-8541, USA.

Abstract

We report measurements of rapid ordering and preferential alignment in block copolymer films zone annealed below the order-disorder transition temperature. The orientational correlation lengths measured after approximately 5 h above the glass-transition temperature ( approximately 2 microm) were an order of magnitude greater than that obtained under equivalent static annealing. The ability to rapidly process polymers with inaccessible order-disorder transition temperatures suggests zone annealing as a route toward more robust nanomanufacturing methods based on block copolymer self-assembly.

PMID:
17691851
DOI:
10.1021/nl071354s
[Indexed for MEDLINE]
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