Raft crystals of poly(isoprene)-block-poly(ferrocenyldimethylsilane) and their surface wetting behavior during melting as observed by AFM and NanoTA

Joost Duvigneau, Edit Kutnyanszky, In Yee Phang, Hong Jing Chung, Hairong Wu, Lionel Dos Ramos, Torben Gädt, Siti Fairus Mohd Yusoff, Mark A. Hempenius, Ian Manners, G. Julius Vancso

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We report on the morphology evolution during heating and melting of lamellar poly(isoprene)-block-poly(ferrocenyldimethylsilane) (PI 76-b-PFDMS76) raft crystals deposited at the native oxide surface of silicon (SiO2) or at a highly ordered pyrolytic graphite (HOPG) surface, studied by in situ temperature controlled atomic force microscopy. Crystals deposited on hydrophilic SiO2 surfaces revealed an irreversible decrease in length at temperatures of up to tens of degrees above their expected melting temperature, while maintaining their platelet-like structure. Crystals deposited on hydrophobic HOPG surfaces initially decreased in length below their expected melting temperature, while at 120 °C and above a typical molten morphology was observed. In addition, the irreversible formation of a PI76-b-PFDMS76 wetting layer around the crystals was observed upon increasing the temperature. These observations in the morphological behavior upon heating emphasize the role of interfacial energy between a surface deposited block copolymer based macromolecular nanostructure and its supporting substrate.

Original languageEnglish
Pages (from-to)2716-2724
Number of pages9
JournalPolymer (United Kingdom)
Volume55
Issue number11
DOIs
Publication statusPublished - 27 May 2014
Externally publishedYes

Fingerprint

Isoprene
Wetting
Melting
Crystals
Graphite
Melting point
Heating
Silicon
Platelets
Interfacial energy
Temperature
Oxides
Block copolymers
Molten materials
Atomic force microscopy
Nanostructures
isoprene
Substrates

Keywords

  • Macromolecular nanostructures
  • Polymer crystals
  • Surface wetting and melting

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics

Cite this

Raft crystals of poly(isoprene)-block-poly(ferrocenyldimethylsilane) and their surface wetting behavior during melting as observed by AFM and NanoTA. / Duvigneau, Joost; Kutnyanszky, Edit; Phang, In Yee; Chung, Hong Jing; Wu, Hairong; Dos Ramos, Lionel; Gädt, Torben; Mohd Yusoff, Siti Fairus; Hempenius, Mark A.; Manners, Ian; Vancso, G. Julius.

In: Polymer (United Kingdom), Vol. 55, No. 11, 27.05.2014, p. 2716-2724.

Research output: Contribution to journalArticle

Duvigneau, J, Kutnyanszky, E, Phang, IY, Chung, HJ, Wu, H, Dos Ramos, L, Gädt, T, Mohd Yusoff, SF, Hempenius, MA, Manners, I & Vancso, GJ 2014, 'Raft crystals of poly(isoprene)-block-poly(ferrocenyldimethylsilane) and their surface wetting behavior during melting as observed by AFM and NanoTA', Polymer (United Kingdom), vol. 55, no. 11, pp. 2716-2724. https://doi.org/10.1016/j.polymer.2014.04.021
Duvigneau, Joost ; Kutnyanszky, Edit ; Phang, In Yee ; Chung, Hong Jing ; Wu, Hairong ; Dos Ramos, Lionel ; Gädt, Torben ; Mohd Yusoff, Siti Fairus ; Hempenius, Mark A. ; Manners, Ian ; Vancso, G. Julius. / Raft crystals of poly(isoprene)-block-poly(ferrocenyldimethylsilane) and their surface wetting behavior during melting as observed by AFM and NanoTA. In: Polymer (United Kingdom). 2014 ; Vol. 55, No. 11. pp. 2716-2724.
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