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AEROXIDE® TiO2 P 25, well known for its high chemical purity and well defined physico-chemical properties such as surface area and unique phase structure, is widely used as a raw material for DSSCs. However, handling AEROXIDE® fumed metal oxides such as "P 25" requires sophisticated handling due to the fineness and fluffy nature of the powder; so products that simplify the incorporation of AEROXIDE® into a formulation or process technology clearly bring the potential of DSSC solar energy conversion much closer to widespread commercial success.
To address such challenges, Evonik has added a new product to its broad portfolio of AERODISP® dispersions: VP Disp. IPA 2730 X – the first dispersion of fumed titania in an organic solvent. The critical factor to overcome particle aggregation and allowing the development of titania pastes for the mass production of DSSCs is the narrow particle size distribution offered with VP Disp. IPA 2730 X.
VP Disp. IPA 2730 X leads to dramatically improved film properties:
Paste composition – 20% fumed titania from VP Disp. IPA 2730 X with simple mixing
Technical Information 1163: AEROSIL® fumed silica for cable gels
VP Disp IPA 2730 X, A New AEROXIDE® Fumed Titania Dispersion for Dye-sensitized Solar Cell Manufacture
Product- as well as safety data sheets (SDS) of our various AEROSIL® fumed silica grades, can be found at our product recommendationsmore
The future of solar energy has only just begun. Innovative products and solutions from Evonik are used in various application areas of the solar industry:more