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Highly Ordered Nanoring Arrays Formed by Templated Si-​Containing Triblock Terpolymer Thin Films

Abstract : In this work, the directed selfassembly of Si-​contg. triblock terpolymer chains ordered into nanoscale ring arrays has been reported. To produce long-​range ordered ring patterns, a solvent vapor annealing (SVA) methodol. was used to promote the mobility of the poly(1,​1-​dimethylsilacyclobutane)​block-​polystyrene-​block-​poly(Me methacrylate) (PDMSB-​b-​PS-​b-​PMMA or DSM) chains deposited on topog. patterned silica substrates. By using this strategy, highly ordered core​/shell cylinders with a domain orientation change induced by the film thickness were demonstrated. An effective control of the domain orientation was achieved by using a blending methodol., which revealed an efficient route to fabricate templated DSM thin films with core​/shell cylinders having a highly desired out-​of-​plane orientation both on mesas and in trenches.
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https://hal.archives-ouvertes.fr/hal-01452668
Contributor : Eric Cloutet <>
Submitted on : Thursday, February 2, 2017 - 10:19:12 AM
Last modification on : Tuesday, May 12, 2020 - 11:04:04 AM

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Karim Aissou, Muhammad Mumtaz, Pierre Marcasuzaa, Cyril Brochon, Eric Cloutet, et al.. Highly Ordered Nanoring Arrays Formed by Templated Si-​Containing Triblock Terpolymer Thin Films. Small, Wiley-VCH Verlag, 2017, 13 (12), pp.1603184. ⟨10.1002/smll.201603184⟩. ⟨hal-01452668⟩

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