Review REVIEW: GREEN SYNTHESIS TiO₂-ALOE VERA SEBAGAI MODIFIKASI FOTOANODA PADA DYE-SENSITIZED SOLAR CELL (DSSC)

Anis Safaatul Rohmah; Adawiyyah Nuurul Aini; Galuh Aryseno; Adinda Priskia Cahya Putri; M Hoiron; Evi Suaebah; Ersyzario Edo Yunata

doi:10.26740/ifi.v15n2.p317-326

Authors

Anis Safaatul Rohmah Surabaya State of University
Adawiyyah Nuurul Aini
Galuh Aryseno
Adinda Priskia Cahya Putri
M Hoiron
Evi Suaebah
Ersyzario Edo Yunata

DOI:

https://doi.org/10.26740/ifi.v15n2.p317-326

Keywords:

Sintesis Hijau, TiO₂-Aloe vera, DSSC, Fotoanoda

Abstract

Abstrak

Green synthesis TiO₂ menggunakan ekstrak Aloe vera merupakan pendekatan ramah lingkungan yang mampu menghasilkan nanopartikel dengan ukuran kecil, porositas tinggi, dan kristalinitas anatase yang baik. Artikel review ini membahas berbagai penelitian terkait sintesis TiO₂–Aloe vera, karakterisasi material, serta aplikasinya sebagai fotoanoda dalam Dye-Sensitized Solar Cell (DSSC). Hasil analisis menunjukkan bahwa perbedaan metode sintesis, seperti solvotermal, sol gel, hidrotermal, dan biosintesis, memberikan pengaruh signifikan terhadap ukuran partikel, nilai band gap, dan efisiensi DSSC. Metode solvotermal terbukti memberikan performa tertinggi, diikuti metode sol-gel dan hidrotermal, sementara biosintesis tetap memberikan peningkatan meskipun kontrol morfologinya terbatas. Secara keseluruhan, komposit TiO₂–Aloe vera mampu meningkatkan adsorpsi dye, menurunkan rekombinasi elektron, dan meningkatkan parameter fotovoltaik DSSC. Review ini menegaskan potensi TiO₂–Aloe vera sebagai material fotoanoda berbiaya rendah dan ramah lingkungan, sekaligus menunjukkan perlunya optimasi lebih lanjut untuk meningkatkan stabilitas dan konsistensi kinerjanya.

Kata Kunci: Sintesis Hijau, TiO₂-Aloe vera, DSSC, Fotoanoda

Abstract

Green synthesis of TiO₂ using Aloe vera extract is an environmentally friendly approach that produces nanoparticles with small sizes, high porosity, and well-defined anatase crystallinity. This review article discusses various studies on the synthesis of TiO₂–Aloe vera, material characterization, and its application as a photoanode in DyeSensitized Solar Cells (DSSC). Comparative analysis shows that different synthesis methods such as solvothermal, solgel, hydrothermal, and direct biosynthesis—significantly influence particle size, band gap, and DSSC efficiency. The solvothermal method provides the best performance, followed by sol-gel and hydrothermal methods, while biosynthesis still offers notable improvements despite its limited morphological control. Overall, TiO₂–Aloe vera composites enhance dye adsorption, suppress electron recombination, and improve the photovoltaic parameters of DSSC. This review highlights the potential of TiO₂–Aloe vera as a low-cost and eco-friendly photoanode material, while emphasizing the need for further optimization to improve its stability and performance consistency.

Keywords: Green Synthesis, TiO₂-Aloe vera, DSSC, Photoanode

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