Issue 5, 2017

Electric field directed self-assembly of block copolymers for rapid formation of large-area complex nanopatterns

Abstract

We investigate the unusually rapid directed self-assembly of block copolymer (BCP) thin films by imposing an in-plane electric field. Blending short chain BCPs dramatically enhances the generically retarded chain diffusivity for BCP self-assembly in thin films. In addition, photopatterned, few-layer solution-cast chemically modified graphene is introduced as a disposable and versatile electrode for electric field applications. A variety of laterally ordered self-assembled lamellar BCP nanopatterns are attained within a 10 min time scale, including an arbitrary large-area unidirectionally oriented lamellar array.

Graphical abstract: Electric field directed self-assembly of block copolymers for rapid formation of large-area complex nanopatterns

Supplementary files

Article information

Article type
Paper
Submitted
30 Jul 2017
Accepted
19 Sep 2017
First published
19 Sep 2017

Mol. Syst. Des. Eng., 2017,2, 560-566

Electric field directed self-assembly of block copolymers for rapid formation of large-area complex nanopatterns

H. U. Jeon, H. M. Jin, J. Y. Kim, S. K. Cha, J. H. Mun, K. E. Lee, J. J. Oh, T. Yun, J. S. Kim and S. O. Kim, Mol. Syst. Des. Eng., 2017, 2, 560 DOI: 10.1039/C7ME00067G

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