Silica-based versus silica-titania sol–gel materials – comparison of the physical properties: surface tension, gelation time, refractive index and optical transmittance - Lower Silesian Digital Library

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$Silica-based versus silica-titania sol–gel materials – comparison of the physical properties: surface tension, gelation time, refractive index and optical transmittance$

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Title: Silica-based versus silica-titania sol–gel materials – comparison of the physical properties: surface tension, gelation time, refractive index and optical transmittance

Creator:

Ulatowska-Jarża, Agnieszka ; Hołowacz, Iwona ; Wysocka, Katarzyna ; Podbielska, Halina

Contributor:

Gaj, Miron. Redakcja ; Urbańczyk, Wacław. Redakcja

Description:

Optica Applicata, Vol. 39, 2009, nr 1, s. 211-220

Abstrakt:

Knowledge of the physical parameters and optical constants of sols and sol–gel materials is important in view of their possible applications. In this work, silica and silica-titania sols were examined. Gelation time, surface tension, refractive index and optical transmittance were measured. The sol–gel materials were produced from the silica precursor Si(OC2H5)4 mixed with the titanium dioxide precursor Ti(OC2H5)4 and 96% ethyl alcohol. It was stated that the surface tension of pure silica sols is much higher than in case of silica-titania sols. The refractive index of fresh samples is lower than of stored sols. The transmittance is highest for the fresh samples and it decreases with gelation time; however, this effect is stronger for silica-titania materials. By manipulating with the solvent content and titania addition, the required refractive index may be obtained.

Publisher:

Oficyna Wydawnicza Politechniki Wrocławskiej

Place of publication:

Date:

Resource Type:

Resource Identifier:

oai:dbc.wroc.pl:58770

Source:

<sygn. PWr A3481II> ; click here to follow the link ; click here to follow the link

Language:

Relation:

Optica Applicata ; Optica Applicata, Vol. 39, 2009 ; Optica Applicata, Vol. 39, 2009, nr 1 ; Politechnika Wrocławska. Wydział Podstawowych Problemów Techniki

Rights:

Wszystkie prawa zastrzeżone (Copyright)

Access Rights:

Dla wszystkich w zakresie dozwolonego użytku

Location:

Politechnika Wrocławska

Group publication title:

Optica Applicata

Subject and keywords:

optyka silica-titania sol–gel materials surface tension gelation time refractive index optical transmittance

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Last modified:

Feb 1, 2019

In our library since:

Feb 1, 2019

Number of object content hits:

117

All available object's versions:

https://dlibra.kdm.wcss.pl/publication/98817

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Optica Applicata

Edition name	Date
Silica-based versus silica-titania sol–gel materials – comparison of the physical properties: surface tension, gelation time, refractive index and optical transmittance	Feb 1, 2019

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