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Rapidly oscillating microbubbles force development of micro- and mesoporous interfaces and composition gradients in solids

Title data

Andreeva, Daria V. ; Cherepanov, Pavel V. ; Avadhut, Yamini S. ; Senker, Jürgen:
Rapidly oscillating microbubbles force development of micro- and mesoporous interfaces and composition gradients in solids.
In: Ultrasonics Sonochemistry. Vol. 51 (March 2019) . - pp. 439-443.
ISSN 1350-4177
DOI: https://doi.org/10.1016/j.ultsonch.2018.07.024

Abstract in another language

Progress in understanding of energy transfer in nature and human being requires novel approaches to the processing of solids on demand, in specially those with composition gradients and those thermodynamically and kinetically inaccessible. We demonstrate that rapidly oscillating microbubbles are useful for materials processing, because they manipulate surface temperature and creates temperature gradients in predictable way. Ultrasonic treatment leads to an increase in the surface area of particles up to 180 m(2)g(-1) and the formation of micropores in metal phase and mesopores in metal oxide phase. The spatially and temporally unique energy dissipation conditions promise new interfaces with higher level of complexity and applications among others in catalysis, energy storage, drug delivery.

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 Anorganic Chemistry III
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry III > Chair Anorganic Chemistry III - Univ.-Prof. Dr. Jürgen Senker
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 07 Jun 2019 07:38
Last Modified: 07 Jun 2019 07:38
URI: https://eref.uni-bayreuth.de/id/eprint/49284