Enhanced Photovoltaic Performance via Cacusi₄O₁₀ Deposition on Dye-sensitized Tio₂ Thin Films

Silva, Felipe Rodrigues, Neto, Joao Dionizio de Melo, Prazeres, Handerson José, Silva, William Neves, Mota, João Pedro Santana, Nunes, Vanja Fontenele, Junior, Paulo Herbert Franca Maia, Júnior, Antônio Cleibo dos Santos, Cavalcante, Rodrigo Franco, Lima, Francisco Marcone, Almeida, Ana Fabíola Leite, Freire, Francisco Nivaldo Aguiar

ISES Solar World Congress 2025 · Fortaleza, Brazil · 2025-11-03
Published by International Solar Energy Society (ISES)

Abstract

The increased use of non-renewable energy sources has driven research into sustainable alternatives. This work investigates the use of the ceramic oxide CaCuSi₄O₁₀ in TiO₂ thin films sensitized by dyes, applied in dye sensitized solar cells (DSSC). CaCuSi₄O₁₀ was synthesized by a solid-state route and characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDS). The deposition onto the films was performed using the Doctor Blade method, and optical properties were analyzed by UV-Vis spectroscopy. The I-V and J-V curves showed that the addition of CaCuSi₄O₁₀ enhanced the efficiency of the films, with evidence of downconversion. The results indicate the material’s potential in optimizing photovoltaic performance.

Keywords

Downconversion, Solar Cell, CCSO, TiO2, DSSC.

← All proceedings papers