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Issue 10, 2013
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In situTEM observation of phase transition of the nanoscopic patterns on baroplastic block copolymer films during nanoindentation

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Abstract

We investigated the in situ phase transition of the nanoscopic patterns on block copolymer thin films during nanoindentation by using a transmission electron microscope (TEM) with a specially designed nanoindenter. For the first time, we observed directly an in situ phase transition from lamellar microdomains to disordered states during the nanoindentation on a baroplastic polystyrene-block-poly(n-pentyl methacrylate) copolymer (PS-b-PnPMA) film. Through the in situ TEM observation, the mechanism of the nanoscopic pattern formation on a block copolymer thin film by indentation is fully understood.

Graphical abstract: In situ TEM observation of phase transition of the nanoscopic patterns on baroplastic block copolymer films during nanoindentation

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Supplementary files

Article information


Submitted
25 Jan 2013
Accepted
13 Mar 2013
First published
15 Mar 2013

Nanoscale, 2013,5, 4351-4354
Article type
Paper

In situ TEM observation of phase transition of the nanoscopic patterns on baroplastic block copolymer films during nanoindentation

A. Jo, G. H. Gu, H. C. Moon, S. H. Han, S. H. Oh, C. G. Park and J. K. Kim, Nanoscale, 2013, 5, 4351 DOI: 10.1039/C3NR00447C

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