Optimizing graphene production in ultrasonic devices.

Clicks: 147
ID: 32882
2019
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Abstract
In this work, we investigate the efficiency of graphene production from graphite by ultrasonic-induced exfoliation under different operational conditions. An ultrasonic bath and an ultrasonic horn tip were used, to show how the graphene production efficiency depends on the acoustic intensity and cavitation mechanism using graphite crystal with different initial sizes and characteristic lengths. Operational variables such as geometry, location and type of vessel containing the liquid phase, were also explored. All of them have effect on the cavitation process and directly influence the amount of graphene obtained. Remarkably, we found that the initial size of the graphite crystals has a marked impact in exfoliation process. Based on the above arguments we propose a combined protocol with a specific sequence to maximize the amount of graphene obtained.
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silva2019optimizingultrasonics Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Silva, Leonel I;Mirabella, Daniel A;Pablo Tomba, J;Riccardi, Carmen C;
Journal ultrasonics
Year 2019
DOI
S0041-624X(19)30304-X
URL
Keywords Keywords not found

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