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791555

Sigma-Aldrich

Titania paste, active opaque

Synonyma:

Greatcell Solar® 18NR-AO Titania Paste, TiO2 paste

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About This Item

MDL number:
MFCD00011269
UNSPSC Code:
12352103
PubChem Substance ID:
329768279
NACRES:
NA.23

description

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

form

paste (cream)

concentration

27.0 wt. %

avg. part. size

20 nm (active)
≤450 nm (scatter)

viscosity

40000-55000 mPa.s(20 °C) (Analysis carried out with 20mm 4 degree cone/plate; 40 s-1))

InChI

1S/2O.Ti

InChI key

GWEVSGVZZGPLCZ-UHFFFAOYSA-N

General description

Titania paste, active opaque is a precursor for titania that has anatase particles and larger sized anatase scatter particles, used to form a white coating on the fluorine doped tin oxide glass (FTO) substrate. It is used in a variety of electrochemical devices to improve electron mobility and power efficiency.

Application

Titania paste has a hierarchical pore structure which allows non-agglomerated loading on nanomaterials for the fabrication of dye sensitized solar cells with higher light absorption.
Use Active Opaque Titania Paste in applications that do not require transparency.
The dispersed scattering particles in Active Opaque Titania Paste formulation lead to enhanced DSC performance through the large surface/volume ratio of the sintered film.
Active Opaque Titania Paste has a blend of active anatase particles (~20nm) and larger anatase scatter particles (up to 450nm).
After drying; this paste must be fired at or above 500°C. This results in an opaque sintered layer with film thickness of 7-8μm for one printed layer and ~15μm for two layers; when using a 48T mesh.
This paste exhibits optimal rheological properties that provide good surface uniformity and contain organic binders specially formulated to provide versatile porosity suitable for a range of dye/electrolyte systems.
Storage: Store in the dark at 20°C

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
GHS07

signalword

Warning

hcodes

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

195.8 °F

flash_point_c

91 °C

Osvědčení o analýze (COA)

Vyhledejte osvědčení Osvědčení o analýze (COA) zadáním čísla šarže/dávky těchto produktů. Čísla šarže a dávky lze nalézt na štítku produktu za slovy „Lot“ nebo „Batch“.

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Mesoporous titania hollow spheres applied as scattering layers in quantum dots sensitized solar cells
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Materials Chemistry and Physics, 136(2-3), 1060-1066 (2012)
Thiazolo [5, 4-d] thiazole-based organic sensitizers with strong visible light absorption for transparent, efficient and stable dye-sensitized solar cells
Dessi A, et al.
Royal Society of Chemistry Advances, 5(41), 32657-32668 (2015)
Formation of size-tunable dandelion-like hierarchical rutile titania nanospheres for dye-sensitized solar cells
Lan C, et al.
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Journal of Industrial and Engineering Chemistry, 19(5), 1464-1469 (2013)
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