at Google ScholarTitle data
Feicht, Patrick ; Breu, Josef:
Gas-phase Preparation of SO₃ -Graphite : Host-Exchange and Exfoliation.
In: Zeitschrift für anorganische und allgemeine Chemie.
Vol. 641
(May 2015)
Issue 6
.
- pp. 1093-1098.
ISSN 1521-3749
DOI: https://doi.org/10.1002/zaac.201500168
Abstract in another language
The reaction of sulfur trioxide with graphite via gas phase led to an intercalation of a double layer of sulfur trioxide with a basal spacing of 11.1 Å. The SO3-graphite was obtained atom-efficient as a single phase product without the need of purification. The increased basal space should facilitate an exfoliation by rendering the tactoids more shear labile. A further weakening of the attractive forces within a stack was done by the replacement of sulfur trioxide with the surfactant perfluorobutanesulfonic acid leading to a basal spacing of 16.8 Å. The large basal spacings were also preserved in suspension and no defects were created. The mechanical exfoliation with ultrasound predominantly broke the platelets. A rotor-stator device offering high shear forces was found to exfoliate the platelets more gently but there was still a good number of very small particles.
Further data
| Item Type: | Article in a journal |
|---|---|
| Refereed: | Yes |
| Institutions of the University: | Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry I > Chair Inorganic Chemistry I - Univ.-Prof. Dr. Josef Breu Faculties Faculties > Faculty of Biology, Chemistry and Earth Sciences Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry I |
| Result of work at the UBT: | Yes |
| DDC Subjects: | 500 Science > 540 Chemistry |
| Date Deposited: | 28 Mar 2018 05:56 |
| Last Modified: | 28 Mar 2018 05:56 |
| URI: | https://eref.uni-bayreuth.de/id/eprint/43144 |