Nazario Ticse, R. and Quintana Cáceda, M. 2024. Use of Peruvian dye, Ayrampo (Opuntia Soehrensii) as a sensitizer in Grätzel cells of TiO2, using graphite as a counter-electrode. LACCEI. 1, 10 (July 2024). DOI:https://doi.org/10.18687/LACCEI2024.1.1.1499.