Hi!
I am interested in methods for producing thin porous TiO2 films. The thickness should be on the order of hundreds of nm and the pore diameters should be large (macroporous). There should be no ordering of the pores. The film should be prepared on silver.
Judging from a quick search in the literature there are many methods available. I'm trying to find the easiest one.
What area do you need the films to cover? Screen-printing using a commercial paste is very easy if you have the equipment and can be used for small or large areas. For smaller areas, you can use a spin-coater. Both of these methods have tuneable thicknesses.
Thanks guys! I would like to prepare it over cm2 areas. For the commercial paste you mention Daniel, does it have a product name?
https://www.solaronix.com/materials/products/tinanoxide/
Selection of various pastes on this link, each has been optimised for its purpose.
You may follow the procedure mentioned in this article https://www.researchgate.net/publication/230831073_Tio2_Paste_Formulation_for_Crack-Free_Mesoporous_Nanocrystalline_Film_of_Dye-Sensitized_Solar_Cells
Article Tio2 Paste Formulation for Crack-Free Mesoporous ...
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