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791539

Sigma-Aldrich

Titania paste, reflector

Synonym(s):
Greatcell Solar WER2-O, TiO2 paste
MDL number:
PubChem Substance ID:
NACRES:
NA.23

description

Crystal Structure: > 99% anatase (analysis carried out on starting material, prior to paste manufacture)

Quality Level

form

paste (white)

concentration

20.0 wt. % (+/- 1.2 wt%)

avg. part. size

150-250 nm (scatter)

viscosity

15000-25000 mPa.s (Analysis carried out with 20mm 4 degree cone/plate; 40 s-1)

InChI

1S/2O.Ti

InChI key

GWEVSGVZZGPLCZ-UHFFFAOYSA-N

Related Categories

General description

Titania paste, the reflector is a precursor for titania, that forms a mesoporous light scattering layer on the fluorine doped tin oxide (FTO) substrates. It is used in a variety of electrochemical devices to improve electron mobility and power efficiency.

Application

Light scattering titania paste can be coated on the primary transparent layer of TiO2 to form a bilayered titanium film. It can be used as a negative electrode for dye sensitized solar cells (DSSCs).
Scattering Reflector Titania Paste can be used in conjunction with Transparent Titania Paste for enhanced DSSC performance in applications where transparency is not required.
Scattering Titania Paste contains highly dispersed anatase scattering particles (150nm to 250nm). This paste produces a non-active scattering layer when applied onto a pre-printed active layer.
After drying; this paste must be fired – together with the pre-printed active layers – at or above 500°C. This results in an opaque sintered layer; with a thickness of ~3μm for one printed layer; when using a 90T mesh screen.

Storage: Store in the dark at 20°C

Packaging

5, 20 g in glass bottle

Legal Information

Product of Greatcell Solar® exclusive supplier of Sun2 products under license from EPFL.
Greatcell Solar® is a registered trademark of Greatcell Solar
Greatcell Solar is a registered trademark of Greatcell Solar

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Certificate of Analysis

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Certificate of Origin

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