Journal
ADVANCED MATERIALS
Volume 26, Issue 2, Pages 273-281Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201302562
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Funding
- U.S. Department of Energy BES [BES-DE-FG02-96ER45612]
- ALS Doctoral Fellowship program
- ALS Postdoctoral Fellowship program
- DOE
- Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy [DE-AC02-05ch11231]
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In situ grazing-incidence small-angle X-ray scattering experiments on thin films of block copolymers during annealing in neutral solvent vapors are reported. By removing the solvent in a controlled manner, the period of the microphase separated morphology is found to increase with increasing block copolymer concentration in a power law manner with an exponent similar to 2/3. By venting the systems at different rates during the solvent removal process, kinetically arresting the system, the period of the microphase separated morphology in the dried film can be varied.
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