Page 7 - Shimadzu IG-1000 Plus
P. 7

Measurement of Pigmented Ink Nano Particles






 Since nano particles tend to aggregate easily, it is important that they remain in a well-dispersed   Measurement of Nano Particles Used in Sunscreen
 state for a long period of time without aggregating or precipitating.
            Ultrafine particles (nano particles) made of
 Highly absorbing particles make light difficult to pass through.   titanium oxide and zinc oxide, etc. are used in
 With a Short Light Pass Cell (standard equipment), which   sunscreen to block exposure to ultraviolet rays.
 decreases absorption of samples, the IG-1000 Plus overcomes
 this restriction, making it a powerful tool for quality control in   The use of such nano particles reduces the
 ink and paint industries.   scattering of visible light rays, allowing
            formulation of sunscreens with high
            transparency that do not turn white upon
            application.                                                          Titanium Oxide
 Black

            Nano particles may easily aggregate to form larger particles,
            which increase the amount of scattered light, resulting in the
            loss of transparency. Therefore, it is important that the nano
            particles are maintained in a well-dispersed state.





                                                                                    Zinc Oxide
                                                                    Particle Size Distribution Measurement of Titanium Oxide and
 Red                                                                           Zinc Oxide Nano Particles

            Measurement of Nano Particles Used in Dye-Sensitized Solar Cell

            The dye-sensitized solar cell features a simple
            construction consisting of a plate to which a
            transparent electrode coated with a thin layer
            of dye-adsorbed porous titanium oxide dye is
            affixed, and an iodide electrolyte solution.

 Blue       Low-cost mass-production can be realized
            because this type of solar cell does not require
            large-scale equipment, which is necessary for                         Titanium Oxide A
            conventional silicon-based solar cell
            manufacturing.



            The porous titanium oxide film is made by coating the plate with
            titanium oxide nano particles and then baking the coated plate.
            To ensure that a uniform film is created, the nano particles used
 Yellow     to make the film must be maintained in a well-dispersed state,
 Particle Size Distribution Measurement of Pigmented Ink Nano Particles
            and this is why particle size measurement becomes critical.
            The high-sensitivity IG-1000 Plus can easily measure                  Titanium Oxide B
            dye-adsorbed materials.                                Particle Size Distribution Measurement Results for Two Types of
                                                                              Titanium Oxide Nano Particles
                                                                                              IG-1000 Plus
 6                                                                                              Single Nano Particle Size Analyzer  7
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