D. Kasyanyuk, P. Pagliusi, A. Mazzulla, S. Tomylko, V. Reshetnyak, Y. Reznikov, C. Provenzano, M. Giocondo, M. Vasnetsov, O. Yaroshchuk, G. Cipparrone
{"title":"Manipulation of colloids by optical and electrical control of disclination lines in liquid crystals","authors":"D. Kasyanyuk, P. Pagliusi, A. Mazzulla, S. Tomylko, V. Reshetnyak, Y. Reznikov, C. Provenzano, M. Giocondo, M. Vasnetsov, O. Yaroshchuk, G. Cipparrone","doi":"10.1515/optof-2016-0008","DOIUrl":null,"url":null,"abstract":"Abstract We report two viable strategies to assemble and manipulate arrays of nano- and micro-particles by means of topological defects (TDs) in anisotropic fluids. Exploiting different boundary conditions, single TD, 1D arrays of TDs are tailored in liquid crystal twist cells. In a first approach, light-guided control of particles captured in disclination lines is demonstrated involving the use of a photosensitive chiral dopant within a nematic host. In the second one, an applied voltage enables a continuous displacement and deformation of the particles arrays. The reported results open up new possibilities for managing nano- and micro-metric objects over large distances.","PeriodicalId":144806,"journal":{"name":"Optofluidics, Microfluidics and Nanofluidics","volume":"9 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2016-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Optofluidics, Microfluidics and Nanofluidics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1515/optof-2016-0008","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
Abstract We report two viable strategies to assemble and manipulate arrays of nano- and micro-particles by means of topological defects (TDs) in anisotropic fluids. Exploiting different boundary conditions, single TD, 1D arrays of TDs are tailored in liquid crystal twist cells. In a first approach, light-guided control of particles captured in disclination lines is demonstrated involving the use of a photosensitive chiral dopant within a nematic host. In the second one, an applied voltage enables a continuous displacement and deformation of the particles arrays. The reported results open up new possibilities for managing nano- and micro-metric objects over large distances.
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