Towards 3D determination of the surface roughness of core-shell microparticles as a routine quality control procedure by scanning electron microscopy

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dc.contributor.authorHülagü, Denizcs
dc.contributor.authorTobias, Charliecs
dc.contributor.authorDao, Radekcs
dc.contributor.authorKomarov, Pavelcs
dc.contributor.authorRurack, Knutcs
dc.contributor.authorHodoroaba, VasileDancs
dc.coverage.issue1cs
dc.coverage.volume14cs
dc.date.accessioned2025-03-26T09:34:30Z
dc.date.available2025-03-26T09:34:30Z
dc.date.issued2024-08-02cs
dc.description.abstractRecently, we have developed an algorithm to quantitatively evaluate the roughness of spherical microparticles using scanning electron microscopy (SEM) images. The algorithm calculates the root-mean-squared profile roughness (RMS-RQ) of a single particle by analyzing the particle's boundary. The information extracted from a single SEM image yields however only two-dimensional (2D) profile roughness data from the horizontal plane of a particle. The present study offers a practical procedure and the necessary software tools to gain quasi three-dimensional (3D) information from 2D particle contours recorded at different particle inclinations by tilting the sample (stage). This new approach was tested on a set of polystyrene core-iron oxide shell-silica shell particles as few micrometer-sized beads with different (tailored) surface roughness, providing the proof of principle that validates the applicability of the proposed method. SEM images of these particles were analyzed by the latest version of the developed algorithm, which allows to determine the analysis of particles in terms of roughness both within a batch and across the batches as a routine quality control procedure. A separate set of particles has been analyzed by atomic force microscopy (AFM) as a powerful complementary surface analysis technique integrated into SEM, and the roughness results have been compared.en
dc.formattextcs
dc.format.extent1-13cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationScientific Reports. 2024, vol. 14, issue 1, p. 1-13.en
dc.identifier.doi10.1038/s41598-024-68797-7cs
dc.identifier.issn2045-2322cs
dc.identifier.orcid0000-0002-6854-4536cs
dc.identifier.other194080cs
dc.identifier.researcheridO-2116-2018cs
dc.identifier.scopus7004835357cs
dc.identifier.urihttps://hdl.handle.net/11012/250190
dc.language.isoencs
dc.publisherNATURE PORTFOLIOcs
dc.relation.ispartofScientific Reportscs
dc.relation.urihttps://www.nature.com/articles/s41598-024-68797-7cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2045-2322/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectCore-shell particlesen
dc.subjectImage analysisen
dc.subjectRoughnessen
dc.subjectScanning electron microscopyen
dc.subjectAtomic force microscopyen
dc.subjectTiltingen
dc.subjectBatch analysisen
dc.titleTowards 3D determination of the surface roughness of core-shell microparticles as a routine quality control procedure by scanning electron microscopyen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-194080en
sync.item.dbtypeVAVen
sync.item.insts2025.03.26 10:34:30en
sync.item.modts2025.03.26 09:33:54en
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Sdílená laboratoř RP1cs
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