Study of chlorophyll dye from peppermint (<i>mentha spicata</i>) used as a sensitizer in TiO<sub>2</sub> solar cells-Reference-Cited by-同舟云学术

Study of chlorophyll dye from peppermint (mentha spicata) used as a sensitizer in TiO₂ solar cells

Published:2024-03-11 Issue:5 Volume:22 Page:505-514
ISSN:1542-6580
Container-title:International Journal of Chemical Reactor Engineering
language:en
Short-container-title:

Author:

García Ariana¹,Lopez-Luke Tzarara²,Montes-Valenzuela Isaac¹,Reta-Hernández Manuel¹,Esparza Diego¹,Rivas Jesús Manuel¹

Affiliation:

1. 27779 Unidad Académica de Ingeniería Eléctrica, Universidad Autónoma de Zacatecas , Av. Ramón López Velarde 801 , Zacatecas , Zac. 98060 , Mexico

2. 27852 Instituto de Investigación en Metalurgia y Materiales, Universidad Michoacana de San Nicolás de Hidalgo , Edificio U, Ciudad Universitaria , Morelia , Mich. 58030 , Mexico

Abstract

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 (J sc) of 0.174 mA/cm2 and an open circuit voltage (V oc) 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.

Publisher

Walter de Gruyter GmbH

Link

https://www.degruyter.com/document/doi/10.1515/ijcre-2023-0216/pdf

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