On the behaviour of supercooled liquids and polymers in nano-confinement

Author(s)
V. Soprunyuk, M. Reinecker, W. Schranz
Abstract

Size effects play an important role in structural phase transitions, melting transitions, in martensitic materials, glass transitions, etc. Very often the question arises, whether a measured size effect originates from the geometrical confinement itself, or if it appears due to the interaction with the limiting surface. Using dynamic mechanical analysis (DMA) technique we have studied various microphase segregated polymers, molecular glass forming liquids and supercooled water confined in nanoporous silica as well as in biological tissues. Here we show on some selected examples that DMA measurements can be used to study relaxation processes in detail and to disentangle in favourable cases pure pore size effects from effects that are induced by the confining surface.

Organisation(s)
Physics of Functional Materials
Journal
Phase Transitions: a multinational journal
Volume
89
Pages
695-707
No. of pages
13
ISSN
0141-1594
DOI
https://doi.org/10.1080/01411594.2016.1195910
Publication date
2016
Peer reviewed
Yes
Austrian Fields of Science 2012
103015 Condensed matter
Keywords
ASJC Scopus subject areas
Instrumentation, Materials Science(all)
Portal url
https://ucris.univie.ac.at/portal/en/publications/on-the-behaviour-of-supercooled-liquids-and-polymers-in-nanoconfinement(43b2197b-7641-4971-8a42-2b6918378b2c).html