Journal article
Communication: Glass transition and melting lines of an ionic liquid
The Journal of chemical physics, v 148(17), pp 171101-171101
07 May 2018
PMID: 29739222
Abstract
The phase diagram of the ionic liquid 1-butyl-1-methylpyrrolidinium bis(trifluoromethanesufonyl)imide, [Pyrr
][NTf
], was explored by synchroton X-ray diffraction and Raman scattering measurements as a function of temperature and pressure. Glass transition T
(p) and melting T
(p) temperatures were obtained from atmospheric pressure up to ca. 2.0 GPa. We found that both the T
(p) and T
(p) curves follow essentially the same pressure dependence. The similarity of pressure coefficients, dT
/dp ≈ dT
/dp, is explained within the non-equilibrium thermodynamics approach for the glass transition by assuming that one of the Ehrenfest equations is appropriated for T
(p), whereas T
(p) follows the Clausius-Clapeyron equation valid for the first-order transitions. The results highlight that ionic liquids are excellent model systems to address fundamental questions related to the glass transition.
Metrics
Details
- Title
- Communication: Glass transition and melting lines of an ionic liquid
- Creators
- Thamires A Lima - Universidade de São PauloLuiz F O Faria - Universidade de São PauloVitor H Paschoal - Universidade de São PauloMauro C C Ribeiro - Universidade de São Paulo
- Publication Details
- The Journal of chemical physics, v 148(17), pp 171101-171101
- Publisher
- American Institute of Physics (AIP)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Chemical and Biological Engineering
- Web of Science ID
- WOS:000431685500001
- Scopus ID
- 2-s2.0-85046696369
- Other Identifier
- 991019298998604721
InCites Highlights
Data related to this publication, from InCites Benchmarking & Analytics tool:
- Web of Science research areas
- Chemistry, Physical
- Physics, Atomic, Molecular & Chemical