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A lot of food dyes contain TiO2. An interesting application of TiO2 is that it can be used to build dye sensitized solar cells. https://www.ncbi.nlm.nih.gov/pu
by skadamou 10y ago
A lot of food dyes contain TiO2. An interesting application of TiO2 is that it can be used to build dye sensitized solar cells.
https://www.ncbi.nlm.nih.gov/pubmed/22023080 https://www.ncbi.nlm.nih.gov/pubmed/22023080
Armed with this information a few of my classmates in undergrad and I built solar cells using tooth paste and powdered doughnuts as a source of TiO2 and anthocyanin (a dye found in raspberries) as the dye sensitizer. That's the most I've ever felt like McGyver