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Liliasari ,
Universitas Pendidikan Indonesia, Indonesia
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Journal : International Journal of Renewable Energy Development

 1 
Natural pigment-based dye-sensitized solar cells utilizing Caulerpa racemose and Gymnogongrus flabelliformis as photosensitizers Unwakoly, Semuel; Liliasari, Liliasari; Hartati, Sri; Munawaroh, Heli Siti H; Arramel, Arramel; Rusliani, Prima Fitri; Prima, Eka Cahya
International Journal of Renewable Energy Development Vol 14, No 3 (2025): May 2025
Publisher : Center of Biomass & Renewable Energy (CBIORE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/ijred.2025.61083

Abstract

This research examines natural dyes' chemical and physical characteristics for potential use in dye-sensitized solar cells (DSSCs). Chlorophyll pigments were extracted from two macroalgae species, Caulerpa racemosa and Gymnogongrus flabelliformis, and analyzed using absorbance spectroscopy, band gap energy calculations, and dye-sensitized solar cell performance evaluation. Fourier Transform Infrared (FTIR) characterisation was used to identify the pigments contained in the dye. The absorbance spectra of chlorophyll pigments extracted from both macroalgae species showed broad peaks at 400–800 nm wavelengths, with Gymnogongrus flabelliformis showing the highest absorbance peak at 403 nm. The redox potential analysis for both macroalgae species showed energy gaps (HOMO/LUMO) of 1.3 eV, 1.4 eV, 2.3 eV, and 2.4 eV, respectively, indicating that these natural dyes are suitable for use in DSSC applications. DSSC devices were fabricated using components such as liquid electrolyte, mesoporous titanium dioxide (TiO₂) photoelectrode, reduced graphene oxide (rGO) as counter electrode, and ITO glass as conductive substrate. Meanwhile, to evaluate how well the photovoltaic system worked, we looked at short-circuit current density (Jsc), open circuit voltage (Voc), fill factor (FF), and overall photoelectric conversion efficiency (η). The results showed that the highest performance for Gymnogongrus flabelliformis was Jsc 0.041 mA/cm², Voc 0.28 V, FF 0.239, and η 0.020%, while the highest performance of Caulerpa racemosa was Jsc 0.023 mA/cm², Voc 0.46 V, FF 0.244, and η 0.019%. These findings indicate the potential for using and developing natural dyes derived from these two macroalgae species in DSSC technology. This research offers insight into the feasibility of marine-derived pigments as a sustainable and environmentally friendly alternative for photovoltaic applications.
Co-Authors - Sarwi A Hinduan A Rusli A. Hakim, A. A. Hinduan A. Mudzakir A. Setiawan A. Suhandi ABADI Abadi Abadi Abdurahman Abdurrahman Achmad A. Hinduan Ade Gafar Abdullah, Ade Gafar Ade Gaffar Abdullah, Ade Gaffar Agus Fani Candra Wijaya Agus Setiabudi Agus Setiawan Agus Setiawan Ahmad Aminudin Ahmad, Sadijah Albaiti Albaiti, Albaiti Amida, Nadia Anak Agung Gede Sugianthara Andhy Setiawan Anna Permanasari Arramel, Arramel Ary Setijadi Prihatmanto Asep Bayu Dani Nandiyanto Asep Kadarohman Asep Suryatna Ate, Yustinus Ghanggo Aziz, Hafiz Aji B Tjasyono B. Waldrip Barke, H. D. Basuki, R. Bayong Tjasyono Bayong Tjasyono Bruce Waldrip Buchari Buchari C. T. Kereh C. T. Paulus Cahyani, Popi Cecep Kusmana Chansyanah Diawati D. Rusdiana Damayanti, Elok Dede Robiatul Adawiyah Deklin Frantius Diana Rochintaniawati E. Nursa’adah, E. Edy Soewono Eka Cahya Prima Elva Stiawan Erisda Eka Putra F. M. Titin Supriyanti F.M. Titin Supriyanti Fachry Abda El Rahman Fahyuddin Fahyuddin, Fahyuddin Fatma Hamid, Fatma Fitria Fathan Florentina Maria Titin Supriyanti FM Titin Supriyanti Fujii, Hiroki G. A. P. Saptawati, G. A. P. Ghanggo Ate, Yustinus Gunawan, Kadek Dwi Hendratma H. Rahmatan Hamid, Fatma Hana, M. Nurul Hanafi, Ainul Ahmadsyah Hariyono, Eko Hayat Sholihin Hendratma Gunawan, Kadek Dwi HERNANI - Hikmat Hikmat Hiroki Fujii Hokcu Suhanda Hyung-Yong Park I. Rohman Ida Kaniawati Ijang Kadarohman Ijang Rohman J. Sabandar Joko Pamungkas Jozua Sabandar Jumrodah Jumrodah K. Wiyono Kartimi Kartimi kerans, geterudis Kisworo, Banu Kulthida Nugultham Leni Marlina Lestari, Nanda Ayu M A Martoprawiro M Satriawan M. A. Martoprawiro M. N. Hana, M. N. M. Setyarini Marpaung, Nurliana Mr Rafiuddin Mr Riandi Mr Sumar Hendayana Mrs Siti Darsati Mrs Titin Supriyanti Mrs Wiwin Wulandari Mubarokah, Febriati Dian Muhamad A. Martoprawiro Muhamad A. Martoprawiro Muhamad A. Martoprawiro Muhamad Abdulkadir Martoprawiro Muhamad Taufiq Muhammad A. K. Martoprawiro Muhammad Bachri Amran Muhammad Nurul Hana Mulyati Arifin Munawaroh, Heli S.H Munawaroh, Heli Siti H Nahadi Nandiyanto , Asep Bayu Dani Nasrudin, Dindin Nova Kurnia Nursaadah, Euis Nuryani Rustaman Oerip S Santoso Oerip S. Santoso Omay Sumarna P. C. Tjiang Pangilinan, Greian April Parlindungan Sinaga Rachmawati, Iis Sutji Rafiuddin Rafiuddin Rahayu, Iqlima Rahmat Setiadi Ramdhani, Rikki Mochammad Ramlawati Ramlawati Retno Dwi Suyanti Riandi Riandi Rifa, Hasna Athaya Rika Rafikah Agustin Rosi Oktiani Rosmiati Rosmiati Rosmiati Rosmiati Rusliani, Prima Fitri S. E. Nugroho S. Mulyani S. Redjeki SADIJAH ACHMAD Saprudin Saprudin Saprudin, Saprudin Sarwi Mahmud Satriawan, Muhammad Semuel Unwakoly Sri Hartati Sri Hartini Sri Mulyani Sri Mulyani Stiawan, E. Sujito Sujito Supriyanti, F. M. Titin Supriyanti, Siti Supriyanti, Siti Susiwi, Susiwi T. R. Ramalis TATI NURHAYATI Taufik Ramlan amalis Tri Isti Hartini, Tri Isti Triannisa Rahmawati, Triannisa Tuszie Widhiyanti Wahyu Sopandi Wardana, Rendy Wikrama Wardani, Kicky Uceu Wawan Setiawan Wawan Setiawan Wawan Wahyu Wijaya, Agus Fani Candra Wiji Wiji Wiwi Siswaningsih Wulandari, Sarah Ayu Wulandari, Wiwin YAYAN SANJAYA Yeanchon Henry Dulanlebit Yusuf Hilmi Adisendjaja Zeily Nurrachman Zeily Nurrachman