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Ti-Nanoxide
Titanium Dioxide Pastes & Inks

The Ti-Nanoxide products are a family of formulations of titanium dioxide particles, nanoparticles, and organotitanates. They can be used for the fabrication of titania photo-electrodes and are perfectly suited for Perovskite Solar Cell and Dye Solar Cell applications. In Dye Solar Cells, the photo-anode consist of a mesoporous layer of titanium dioxide nanoparticles, which can be further stained with one of our premium sensitizing dyes. In Perovskite Solar Cells, the photo-anode is made of a compact titania layer topped by a mesoporous layer of the same which acts as a scaffold to host perovskite.

The formulations of our products have been developed over 20 years utilizing close interaction with customers and partners. This has led to the most comprehensive offering of titania pastes available.

We use proven in-house fabrication processes that proudly continue to serve research and industrial uses. Solaronix' nanoparticle manufacturing allows us to precisely control crystal growth and anatase phase selectivity. We produce targeted particle sizes which enable us to tune transparency and porosity of the resulting titanium dioxide layers.

For Screen Printing, /SP Series

TRANSPARENT ACTIVE LAYER

Ti-Nanoxide T/SP

Highly dispersed titania nanoparticle paste for the deposition of transparent active mesoporous layers.

The sintered films feature a very high surface area ensuring efficient dye loading.

Resulting layer: transparent
Anatase titania particles: 15-20 nm
Diffusing titania particles: none
Concentration: ~18wt%
Vehicle: terpineol, organic binders

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REFLECTIVE ADD-ON LAYER

Ti-Nanoxide R/SP

Large titania particle paste for the deposition of a reflective layer atop pre-existing layers.

The reflective sintered layer enhances light absorption of the underneath mesoporous active layers.

Resulting layer: reflective
Anatase titania particles: none
Diffusing titania particles: >100&nbps;nm
Concentration: ~18wt%
Vehicle: terpineol, organic binders

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DIFFUSING ACTIVE LAYER

Ti-Nanoxide D/SP

Mixed titania particle paste for the deposition of active opaque titania layers in one material.

The optimal mixing of large and small nanoparticles ensures both very high surface area and light diffusion.

Resulting layer: opaque
Anatase titania particles: 15-20 nm
Diffusing titania particles: >100 nm
Concentration: ~18wt%
Vehicle: terpineol, organic binders

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BLOCKING LAYER

Ti-Nanoxide BL/SP

A screen printing paste for the deposition of a thin and dense blocking layer of titanium dioxide.

Printing on a 61-64 polyester mesh typically yields a 50-100 nm thick layer after firing at 500°C for 45 minutes.

Resulting layer: compact, transparent
Content: organotitanate
Concentration: ~2.6wt%
Vehicle: terpineol, glycols, organic binders

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FOR SOLID-STATE AND PEROVSKITE SOLAR CELLS

Ti-Nanoxide BL150/SP

Our latest paste for the making of electron-selective layers by screen printing, specifically formulated for monolithic perovskite solar cell architectures, where it's best employed with Ti-Nanoxide T165/SP, Zr-Nanoxide ZT/SP, and Elcocarb B/SP.

Printing on a 150-30 polyester mesh typically yields a 50-100 nm thick layer after firing at 500°C for 45 minutes.

Resulting layer: compact, transparent
Content: organotitanate
Concentration: ~3.9wt%
Vehicle: terpineol, glycols, organic binders

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Ti-Nanoxide T165/SP

Ti-Nanoxide T165/SP is a titania nanoparticle paste specifically adapted to the making of titania scaffolds in carbon-based monolithic perovskite solar cells, where it's best used with Ti-Nanoxide BL150/SP, Zr-Nanoxide ZT/SP, and Elcocarb B/SP for the remaining layers.

Printing on a 165-30 polyester mesh typically yields a 500 nm thick layer after firing at 500°C for 45 minutes.

Resulting layer: transparent
Anatase particles: 15-20 nm
Diffusing particles: none
Concentration: ~18wt%
Vehicle: terpineol, organic binders

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For Spin Coating, /SC Series

BLOCKING LAYER

Ti-Nanoxide BL/SC

An organotitanate formulation for the deposition of a compact blocking layer of titanium dioxide by spin coating.

Spin coating at 5000 rpm, 30 s, 2000 rpm/s typically yields a 50-70 nm thick layer after firing at 500°C for 60 min.

Content: organotitanate
Concentration: ~6.0wt%
Vehicle: alcohols, water, organic binders

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MESOPOROUS SCAFFOLD LAYER

Ti-Nanoxide T600/SC

A spin coating formulation for the deposition of highly transparent mesoscopic titanium dioxide layers.

Spin coating at 5000 rpm, 30 s, 2000 rpm/s typically yields a 600 nm thick layer after firing at 475°C for 30 min. Ti-Nanoxide T600/SC may be slightly diluted with ethanol to decrease layer thickness.

Content: 15-20 nm anatase particles
Concentration: ~7.0wt%
Vehicle: alcohols, water, organic binders

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Brochure

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