Growth Regimes of Poly(perfluorodecyl acrylate) Thin Films by Initiated Chemical Vapor Deposition

Alberto Perrotta, Paul Christian, Andrew O.F. Jones, Fabian Muralter, Anna Maria Coclite

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Control over thin film growth (e.g., crystallographic orientation and morphology) is of high technological interest as it affects several physicochemical material properties, such as chemical affinity, mechanical stability, and surface morphology. The effect of process parameters on the molecular organization of perfluorinated polymers deposited via initiated chemical vapor deposition (iCVD) has been previously reported. We showed that the tendency of poly(1H,1H,2H,2H-perfluorodecyl acrylate) (pPFDA) to organize in an ordered lamellar structure is a function of the filament and substrate temperatures adopted during the iCVD process. In this contribution, a more thorough investigation of the effect of such parameters is presented, using synchrotron radiation grazing incidence and specular X-ray diffraction (GIXD and XRD) and atomic force microscopy (AFM). The parameters influencing the amorphization, mosaicity, and preferential orientation are addressed. Different growth regimes were witnessed, characterized by a different surface structuring and by the presence of particular crystallographic textures. The combination of morphological and crystallographic analyses allowed the identification of pPFDA growth possibilities between island or columnar growth.

Original languageEnglish
Pages (from-to)5694-5703
Number of pages10
JournalMacromolecules
Volume51
Issue number15
DOIs
Publication statusPublished - 14 Aug 2018

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Chemical vapor deposition
Thin films
Lamellar structures
Amorphization
Mechanical stability
Film growth
Synchrotron radiation
Surface morphology
Atomic force microscopy
Materials properties
Polymers
Textures
X ray diffraction
Substrates
acrylic acid
Temperature

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

Growth Regimes of Poly(perfluorodecyl acrylate) Thin Films by Initiated Chemical Vapor Deposition. / Perrotta, Alberto; Christian, Paul; Jones, Andrew O.F.; Muralter, Fabian; Coclite, Anna Maria.

In: Macromolecules, Vol. 51, No. 15, 14.08.2018, p. 5694-5703.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Coclite, Anna Maria

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