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- Title
Study of chlorophyll dye from peppermint (mentha spicata) used as a sensitizer in TiO<sub>2</sub> solar cells.
- Authors
García, Ariana; Lopez-Luke, Tzarara; Montes-Valenzuela, Isaac; Reta-Hernández, Manuel; Esparza, Diego; Rivas, Jesús Manuel
- Abstract
Chlorophyll from peppermint (mentha spicata) was evaluated as a natural dye sensitizer in TiO2 solar cells. The final photoconversion efficiency depended on the solvent used as chlorophyll dispersant and the technique used to sensitize the mesoporous TiO2 film. Evaluated sensitization techniques included pipetting, immersion, and electrophoresis. Best solar cell performance was obtained using methanol as solvent simultaneously with electrophoresis. A short circuit current density (Jsc) of 0.174 mA/cm2 and an open circuit voltage (Voc) of 0.508 V were obtained. The photoconversion efficiency reached 0.39 %. However, sensitizing by the pipetting technique allowed a photoconversion efficiency of 0.35 % with better reproducibility.
- Subjects
SOLAR cells; SPEARMINT; PHOTOVOLTAIC power systems; PHOTOSENSITIZERS; CHLOROPHYLL; OPEN-circuit voltage; DYES &; dyeing; NATURAL dyes &; dyeing
- Publication
International Journal of Chemical Reactor Engineering, 2024, Vol 22, Issue 5, p505
- ISSN
1542-6580
- Publication type
Article
- DOI
10.1515/ijcre-2023-0216