S. Bouzit, H. Ait dads, S. Tagmouti, A. Outzourhit, M. Ait Ali
{"title":"Dielectric properties of Alumina based nanofluids","authors":"S. Bouzit, H. Ait dads, S. Tagmouti, A. Outzourhit, M. Ait Ali","doi":"10.1109/CISTEM.2014.7076951","DOIUrl":null,"url":null,"abstract":"The alumina (Al2O3) with different morphologies have great interest due to their potential use in various technological areas such as as-catalysis, batteries, solar energy conversion, gas sensing and field emission. In this work, nanostructured Al2O3 were prepared by a solution-phase method in the presence of ethylene glycol (EG) as a dispersant and growth-directing agent. Nanofluids were obtained by dispersing controlled amounts of these nanoparticles in ethylene glycol. The dielectric properties of the obtained nanofluids were measured in the frequency range 40 Hz and 100 kHz using a specially designed cell with two stainless steel cylindrical electrodes. The conductance and the capacitance of Al2O3-based nanofluid increase with the mass fraction and always stay higher than that of pure EG.","PeriodicalId":115632,"journal":{"name":"2014 International Conference on Electrical Sciences and Technologies in Maghreb (CISTEM)","volume":"108 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2014-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2014 International Conference on Electrical Sciences and Technologies in Maghreb (CISTEM)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CISTEM.2014.7076951","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The alumina (Al2O3) with different morphologies have great interest due to their potential use in various technological areas such as as-catalysis, batteries, solar energy conversion, gas sensing and field emission. In this work, nanostructured Al2O3 were prepared by a solution-phase method in the presence of ethylene glycol (EG) as a dispersant and growth-directing agent. Nanofluids were obtained by dispersing controlled amounts of these nanoparticles in ethylene glycol. The dielectric properties of the obtained nanofluids were measured in the frequency range 40 Hz and 100 kHz using a specially designed cell with two stainless steel cylindrical electrodes. The conductance and the capacitance of Al2O3-based nanofluid increase with the mass fraction and always stay higher than that of pure EG.
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