Anthocyanins do not have a toxic effect, they are safe for humans, and they are of interest as natural dyes. They are used in the food industry, cosmetics, perfumery and medicine. Nowadays, the question of the use of anthocyanins in solar cells is being widely considered. Dye-sensitized solar cell (DSSC) has attracted much attention as a new promising solar to electric convertor because of its low production cost, easy fabrication, more environmental friendliness compared to silicon or perovskite solar cell.
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In this article we investigate the change in wetting behavior of inkjet printed materials on either hydrophilic or hydrophobic plasma treated patterns, to determine the minimum obtainable track width using selective patterned μPlasma printing. For Hexamethyl-Disiloxane (HMDSO)/N2 plasma, a decrease in surface energy of approx. 44 mN/m was measured. This resulted in a change in contact angle for water from <10 up to 105 degrees, and from 32 up to 46 degrees for Diethyleneglycol-Dimethaclylate (DEGDMA). For both the nitrogen, air and HMDSO/N2 plasma single pixel wide track widths of approx. 320 μm were measured at a plasma print height of 50 μm. Combining hydrophilic pretreatment of the glass substrate, by UV/Ozone or air μPlasma printing, with hydrophobic HMDSO/N2 plasma, the smallest hydrophilic area found was in the order of 300 μm as well.
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