Paper
8 September 2010 TiO2 dye sensitized solar cell (DSSC): linear relationship of maximum power point and anthocyanin concentration
Radin Ahmadian
Author Affiliations +
Abstract
This study investigated the relationship of anthocyanin concentration from different organic fruit species and output voltage and current in a TiO2 dye-sensitized solar cell (DSSC) and hypothesized that fruits with greater anthocyanin concentration produce higher maximum power point (MPP) which would lead to higher current and voltage. Anthocyanin dye solution was made with crushing of a group of fresh fruits with different anthocyanin content in 2 mL of de-ionized water and filtration. Using these test fruit dyes, multiple DSSCs were assembled such that light enters through the TiO2 side of the cell. The full current-voltage (I-V) co-variations were measured using a 500 Ω potentiometer as a variable load. Point-by point current and voltage data pairs were measured at various incremental resistance values. The maximum power point (MPP) generated by the solar cell was defined as a dependent variable and the anthocyanin concentration in the fruit used in the DSSC as the independent variable. A regression model was used to investigate the linear relationship between study variables. Regression analysis showed a significant linear relationship between MPP and anthocyanin concentration with a p-value of 0.007. Fruits like blueberry and black raspberry with the highest anthocyanin content generated higher MPP. In a DSSC, a linear model may predict MPP based on the anthocyanin concentration. This model is the first step to find organic anthocyanin sources in the nature with the highest dye concentration to generate energy.
© (2010) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Radin Ahmadian "TiO2 dye sensitized solar cell (DSSC): linear relationship of maximum power point and anthocyanin concentration", Proc. SPIE 7771, Thin Film Solar Technology II, 77710H (8 September 2010); https://doi.org/10.1117/12.859266
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Cited by 2 scholarly publications.
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KEYWORDS
Dye sensitized solar cells

Solar cells

Titanium dioxide

Solar energy

Electrodes

Glasses

Photosynthesis

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