Intramicellar glass transition and liquid dynamics in soft confinement

Li Min Wang, Fang He, Ranko Richert

Research output: Contribution to journalArticlepeer-review

55 Scopus citations


The dynamics of viscous propylene glycol (PG) within the droplets of 4.6 nm diameter suspended in a more fluid environment was explored. The soft confinement was achieved by microemulsions of the water-in-oil type, where PG was the intramicellar compound. A composition range in which the self-assembled structures remained stable near the glass transition temperature Tg of PG at 160 K. The results show that the dynamics of PG in soft confinement is accelerated, whereas the usual hard confinement led to frustrated relaxation of PG near its Tg.

Original languageEnglish (US)
Article number095701
Pages (from-to)095701-1-095701-4
JournalPhysical Review Letters
Issue number9
StatePublished - Mar 5 2004

ASJC Scopus subject areas

  • General Physics and Astronomy


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