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Merck

791555

Titania paste, active opaque

Synonym(s):

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

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About This Item

UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.23
MDL number:
Technical Service
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description

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

Quality Segment

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))

SMILES string

[Ti](=O)=O

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

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
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.

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

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Warning

hcodes

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class

10 - Combustible liquids

wgk

WGK 1

flash_point_f

195.8 °F

flash_point_c

91 °C


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

791555-20G:4.548173962689E12 + 791555-5G:4.548173962696E12

jan



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