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Hyungju Ahn, Yonghoon Lee, Hoyeon Lee, Yoonkeun Kim, Du Yeol Ryu and Byeongdu Lee Substrate interaction effects on order to disorder transition behavior in block copolymer films Journal of Polymer Science Part B: Polymer Physics 51

Version of Record online: 12 FEB 2013 | DOI: 10.1002/polb.23266

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In this work, the order-to-disorder transition (ODT) in block copolymer (BCP) films is reviewed in terms of the interfacial interaction effects of the substrates and the χ effects between the two blocks. For the BCP films thicker than a critical thickness (Lc) above which the transition is independent of film thickness, a periodic amplification in the block composition for the BCP films suppressed the compositional fluctuation in the film geometry, resulting in the ODT shifts from the bulk ODTs.

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