Molecular engineering of the glass transition: Glass-forming ability across a homologous series of cyclic stilbenes

Wen Ping, Daniel Paraska, Robert Baker, Peter Harrowell, Charles Angell

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

We report on the glass-forming abilities of the homologous series 1,2-diphenylcyclo-butene, pentene, hexene and heptene-a series that retains the cis-phenyl configuration characteristic of the well-studied glass former, o-terphenyl. We find that the glass-forming ability shows a sharp maximum for the six-membered ring and demonstrate that this trend in glass-forming ability is a consequence of a maximum, for the 1,2-diphenylcyclohexene, of the reduced glass transition temperature Tg/Tm. Since the nonmonotonic trend in Tg/Tm is entirely due to variations in T m, we conclude that the design target for maximizing the glass-forming ability across an homologous series should focus on the crystal stability and the factors that determine it.

Original languageEnglish (US)
Pages (from-to)4696-4702
Number of pages7
JournalJournal of Physical Chemistry B
Volume115
Issue number16
DOIs
StatePublished - Apr 28 2011

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Stilbenes
stilbene
Glass transition
engineering
Glass
glass
trends
hexenes
terphenyls
Alkenes
butenes
Butenes
glass transition temperature
Crystals
rings
configurations
crystals

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Materials Chemistry
  • Surfaces, Coatings and Films

Cite this

Molecular engineering of the glass transition : Glass-forming ability across a homologous series of cyclic stilbenes. / Ping, Wen; Paraska, Daniel; Baker, Robert; Harrowell, Peter; Angell, Charles.

In: Journal of Physical Chemistry B, Vol. 115, No. 16, 28.04.2011, p. 4696-4702.

Research output: Contribution to journalArticle

Ping, Wen ; Paraska, Daniel ; Baker, Robert ; Harrowell, Peter ; Angell, Charles. / Molecular engineering of the glass transition : Glass-forming ability across a homologous series of cyclic stilbenes. In: Journal of Physical Chemistry B. 2011 ; Vol. 115, No. 16. pp. 4696-4702.
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