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All Journal POSITRON Journal of Physics: Theories and Applications Jurnal Ilmu Fisika Jurnal Fisika : Fisika Sains dan Aplikasinya Magnetic: Research Journal of Physics and It’s Application ABDI UNISAP: Jurnal Pengabdian Kepada Masyarakat ABDI NUSANTARA: Jurnal Pengabdian Kepada Masyarakat
Fernince Ina Pote
Prodi Fisika, FMIPA, Universitas San Pedro
Humanities Astronomy Automotive Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Physics Social Sciences Other

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Journal : POSITRON

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Modification of Organic Dyes Cnidoscolus Aconitifolius Chlorophyll Hybrid with Dye Synthetic N719 with TiO2 Semiconductor Combination to Improve DSSC-Solar Cell Performance Pote, Fernince Ina; Dilak, Hory Iramaya
POSITRON Vol 16, No 1 (2026): Vol. 16 No. 1 Edition
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam, Univetsitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/positron.v16i1.92932

Abstract

This research Solar energy is a renewable and environmentally friendly alternative energy source with enormous potential to be converted into electricity through Dye Sensitized Solar Cell (DSSC) technology. The efficiency of DSSC depends strongly on the sensitizer, semiconductor layer, and counter electrode. In this study, the effect of modifying organic chlorophyll dye extracted from Cnidoscolus aconitifolius, hybridized with synthetic dye N719, and combined with the semiconductor TiO₂ was investigated to enhance DSSC performance. The fabrication process employed low-cost methods, including spin coating, slip casting, drop casting, and soaking techniques, to obtain homogeneous TiO₂ thin films and maximize dye adsorption. Optimization of temperature and soaking duration was carried out to support the formation of crystal size, morphology, and anatase phase of TiO₂, which are crucial for electron transport. The counter electrode was prepared with Pt (Hexachloroplatinic (IV) acid 10%), functioning as an effective catalyst to accelerate redox reactions with the electrolyte. Performance testing using a Keithley instrument revealed that the hybrid dye N719: Cnidoscolus aconitifolius with a concentration of 0.1% wt achieved the highest conversion efficiency of 0.82%. The absorption spectrum confirmed that the hybrid dye effectively absorbed light in the range of 400–800 nm, demonstrating the synergistic role of natural and synthetic dyes in improving photocurrent generation. This research provides insights into the utilization of chlorophyll-based natural dyes from Cnidoscolus aconitifolius combined with synthetic dyes to produce eco-friendly DSSCs and highlights the potential of fabrication techniques to reduce production costs and supports the development of sustainable solar cell technologies.
Co-Authors Adelia, Kadek A. C. Adelia, Kadek Ayu Cintya Adelia Agus Supriyanto Angelikus Olla Asnawi Husin Boimau, Yanti Deni Kurniawan Fahru Nurosyid Hau, Rambu Ririnsia Harra Hilary Fridolin Lipikuni Husin, Asnawi Lipikuni, Hilary F. Liukae, Aidy R. F. S Maubana, Wenti M. Maubana, Wenti Marlensi Olla, Angelikus Popo, Alexander Talo Riti, Katarina Yunita Silla, Ela Yanti Boimau