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Journal : Al-Kimia

Karakterisasi Zat Warna Kayu Secang (Caesalpinia sappan L.) Fraksi Kloroform:Metanol sebagai Photosensitizer pada Dye Sensitized Solar Cell Suriadi; Aisyah; Suriani; Ibrahim Patunrengi, Iswadi
Al-Kimia Vol 13 No 1 (2025): JUNE
Publisher : Study Program of Chemistry - Alauddin State Islamic University of Makassar

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Abstract

The electricity crisis in Indonesia is caused by the decreasing supply of fossil fuels for power plants. One solution to overcome this problem is the Dye-sensitized Solar Cell (DSSC) which can convert sunlight into electrical energy by utilizing environmentally friendly organic dyes. This study has succeeded in making and determining DSSC using organic dyes derived from sappanwood extract with pH variations (4, 7, and 10). Each pH level produces efficiency values ​​of 0.01714%, 0.05497% and 0.03174%. VLC with a chloroform: methanol ratio (5:5 and 1:9) was then characterized using UV-Vis, FTIR, and GC-MS instruments. Characterization of sappanwood dye extract using UV-Vis instrument showed absorption at wavelengths of 243, 285, 445, and 541. FTIR instrument provided information on functional groups –OH at wave number 3415.93 cm-1 and C-O-C at wave number 1255.66 cm-1 which are characteristic of isoflavonoid compounds. In addition, GC-MS instrument indicated the possibility of fragment m/z 286 at retention time 9.54 is a brazilin
Co-Authors . Yusnaini, . Abd. Muis Adha Sofianti Agung Anggara Lukmenda AGUS KURNIA Agustyawati, Dwi Ahmad Syuhada Aisyah Akhyar Alfisyahrin Ali, Masri Ananta Wira Pratama Andi Fatimah Yunus Andi Ibrahim Apriani, Ellita ARHAMI Arifuddin, Muhammad Arnadi Asharyati.R Asri Auliyah Nurwafiyyah Azhar Azmi, Saddam Bahari, Samsul Darwini, Nurul Fadhilah Puspa Dedi S Defirono , Ilham Devi Sara, Ira Diah Larasati Eka Ratna Dewi Eliyah Fadli Insani Ihsan Fatmawati Fatmawati Fatri Fendy Fitri Ramadhani Fitriansal Gapy, Mansur Haeril Halfiani, Waode Hamdi Hasddin Hastuti Haswandi Herman I Wayan Sujana Ibrahim Patunrengi, Iswadi Ira Devi Sara Istiqamah, Putri Nur Jasiyah, Rabiyatul Jenny Sari Tarigan Jumahida Kamaluddin Mantasa Kaspullah Katjina, Husna kosilah, Kosilah Kurniawan La Ode Rusadi Lismayuni M. Nizar Machmud Maharani, Pratiwi Mahdi Syukri Mardhiatul Husna Marianti Masri Masri Ibrahim Meliyanti Thamrin Mirad Moh. Ulya Alfarisy Muh. Ikhwan Guntur Muhaimin Hamzah Muhammad Idris Muhibbuddin Murini Mursidin Mutmainnah Jabar Nasruddin Nasution, Elvy Sahnur Nugraha, Romi Nurlaili Nurul Hilda Nurul Malahayati pengelola, pengelola Pradika, Jaka Purba, Rosmaida Putra, T. Edisah Rahman, Usman Rais, Muhamad Ramdhan Halid Siregar Romy Nugraha Rosvita, Ita Saediman Sahari, Alpi Saiful Simanungkalit, Erwinsyah Siregar, Ramdhan Halid sri murtini . Suhaeri Suhartin Suhufan, Mohammad Abdi Sultraeni, Wiwin sumartan Sumartan Sumartan Supriadi Suriani Syahrizal Syukriyadin Umurani, Khairul Wahyuddin, Nur Rahmah Yanti, Nur Eva Yenni Lukita YUNITA yusrina Yuwaldi Away Zainuddin