Characterization and Applications of Nanoparticles Modified in-Flight with Silica or Silica-Organic Coatings.
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| Title: | Characterization and Applications of Nanoparticles Modified in-Flight with Silica or Silica-Organic Coatings. |
|---|---|
| Authors: | Post, Patrick1 patrick.post@tu-clausthal.de, Wurlitzer, Lisa2,3 lisa.wurlitzer@tu-clausthal.de, Maus-Friedrichs, Wolfgang2,3 wolfgang.maus-friedrichs@tu-clausthal.de, Weber, Alfred P.1 alfred.weber@mvt.tu-clausthal.de |
| Source: | Nanomaterials (2079-4991). Jul2018, Vol. 8 Issue 7, p530. 19p. |
| Subjects: | Nanoparticles, Silica |
| Abstract: | Nanoparticles are coated in-flight with a plasma-enhanced chemical vapor deposition (PECVD) process at ambient or elevated temperatures (up to 300 °C). Two silicon precursors, tetraethyl orthosilicate (TEOS) and hexamethyldisiloxane (HMDSO), are used to produce inorganic silica or silica-organic shells on Pt, Au and TiO2 particles. The morphology of the coated particles is examined with transmission electron microscopy (TEM) and the chemical composition is studied with Fourier-transform infrared spectroscopy (FTIR), Energy-dispersive X-ray spectroscopy (EDX) and X-ray photoelectron spectroscopy (XPS). It is found that both the precursor and certain core materials have an influence on the coating composition, while other parameters, such as the precursor concentration, aerosol residence time and temperature, influence the morphology, but hardly the chemical composition. The coated particles are used to demonstrate simple applications, such as the modification of the surface wettability of powders and the improvement or hampering of the photocatalytic activity of titania particles. [ABSTRACT FROM AUTHOR] |
| Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
| FullText | Links: – Type: pdflink Text: Availability: 0 |
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| Header | DbId: egs DbLabel: Engineering Source An: 131979154 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Characterization and Applications of Nanoparticles Modified in-Flight with Silica or Silica-Organic Coatings. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Post%2C+Patrick%22">Post, Patrick</searchLink><relatesTo>1</relatesTo><i> patrick.post@tu-clausthal.de</i><br /><searchLink fieldCode="AR" term="%22Wurlitzer%2C+Lisa%22">Wurlitzer, Lisa</searchLink><relatesTo>2,3</relatesTo><i> lisa.wurlitzer@tu-clausthal.de</i><br /><searchLink fieldCode="AR" term="%22Maus-Friedrichs%2C+Wolfgang%22">Maus-Friedrichs, Wolfgang</searchLink><relatesTo>2,3</relatesTo><i> wolfgang.maus-friedrichs@tu-clausthal.de</i><br /><searchLink fieldCode="AR" term="%22Weber%2C+Alfred+P%2E%22">Weber, Alfred P.</searchLink><relatesTo>1</relatesTo><i> alfred.weber@mvt.tu-clausthal.de</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Nanomaterials+%282079-4991%29%22">Nanomaterials (2079-4991)</searchLink>. Jul2018, Vol. 8 Issue 7, p530. 19p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Nanoparticles%22">Nanoparticles</searchLink><br /><searchLink fieldCode="DE" term="%22Silica%22">Silica</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Nanoparticles are coated in-flight with a plasma-enhanced chemical vapor deposition (PECVD) process at ambient or elevated temperatures (up to 300 °C). Two silicon precursors, tetraethyl orthosilicate (TEOS) and hexamethyldisiloxane (HMDSO), are used to produce inorganic silica or silica-organic shells on Pt, Au and TiO2 particles. The morphology of the coated particles is examined with transmission electron microscopy (TEM) and the chemical composition is studied with Fourier-transform infrared spectroscopy (FTIR), Energy-dispersive X-ray spectroscopy (EDX) and X-ray photoelectron spectroscopy (XPS). It is found that both the precursor and certain core materials have an influence on the coating composition, while other parameters, such as the precursor concentration, aerosol residence time and temperature, influence the morphology, but hardly the chemical composition. The coated particles are used to demonstrate simple applications, such as the modification of the surface wettability of powders and the improvement or hampering of the photocatalytic activity of titania particles. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
| PLink | https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=131979154 |
| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.3390/nano8070530 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 19 StartPage: 530 Subjects: – SubjectFull: Nanoparticles Type: general – SubjectFull: Silica Type: general Titles: – TitleFull: Characterization and Applications of Nanoparticles Modified in-Flight with Silica or Silica-Organic Coatings. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Post, Patrick – PersonEntity: Name: NameFull: Wurlitzer, Lisa – PersonEntity: Name: NameFull: Maus-Friedrichs, Wolfgang – PersonEntity: Name: NameFull: Weber, Alfred P. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 07 Text: Jul2018 Type: published Y: 2018 Identifiers: – Type: issn-print Value: 20794991 Numbering: – Type: volume Value: 8 – Type: issue Value: 7 Titles: – TitleFull: Nanomaterials (2079-4991) Type: main |
| ResultId | 1 |
