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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 A. Mulia Saleh Ade Fadillah FW Pospos Ade Nisya Nasution Afni, Nur' Ahmad Nizam Ahmad Zuwandana Aisyah Aldi Ardiansyah Siagian Alhuda Anisa Pujawati Annisa Keumala Dewi Aprilia Apriola Dwi Indra Swary Ardila, Arista Asriyani Aulia Fuadah Awal, Muhammad Ayu Astari, Ayu Ayu Lestari Azhar Azisah Bahmid Barda Mulyandi Dea Resti Piranda Dedy Ahmady Dessy Zulfianti Sinaga Dewi Suryani Sentosa Din Hary Fitriadi Durahim, Darwis Dzacky Muharram Rani Eddy Gunawan Eka Lestari Eka Nurlina Erga Eka Putri Ersah Atthbarry Rahmadinata Fadila Putri Fadly Umar Fadya Rahazri Meyfiza Fani Khairawati Ferica Christinawati Putri Fitrah Afandi ZT Gadis Mutiara Halim, Hendra Hamdayani Hardiyanto Hendrik Hidayaturrahmaniah, Nadiya Ibrahim Patunrengi, Iswadi Islam, Fahrul Jahuddin, Rahmat Jihan Salsabila Kartika Sari Kartini Kesuma, T. Meldi Khairil Umuri Lasmina Lumban Gaol Lukman, Sri Hardiyanti luqman M. Ridha Siregar M. Shabri Abdul Majid Mahardika, Siti Suci Maulida, Husna Maya Devira Medriono Morsal Lamo Misbahudin Muh Arif, Muh Muhammad Haris Riyaldi Muhammad Muaz Ihsan Muna, Sirajul Musdalifa Nadya Desi Saputri Naila Saifana Nana Rizkiana Nasution, Annio Indah Lestari Nela Dwi Iriani Ni Luh Fidriana Nova Fitriana Nur Islamiyah, Pramitasari Nurma Sari Nurmalasari, Yusriah Nurtang Marlianti Osama Syahputra Nasution Panda Alfira, Yuni Phonna, Liza Putri Nazira Sitorus Rahmad Al-Hidayat Rahmaniar Rahmawati, Meylin Rayyan Firdaus Risa Rukmana Riska Putriani Ristiani Rizky Agusriyanti Irna Rosdiana Roslaini Roslaini Rosyidah Rudi Tarenre Sainah Salsabila Santi Widiawati Saputra, Fauzan Sartiyah Saumy Rizma Sitepu, Novi Indriyani sri maryuni St. Ramlah Stephanus TW Suharni Montjai Sukarti Sulistya Rini Pratiwi Sumarni, Mutia Suriadi Suryaningsih, Wiwiek Susanna Sutrisna, Eka Syahriyal Syasya Khairuna Syibra Takdirmin Teuku Muhammad Syahrizal Teungku Muhammad Sabil Uswatun Hasanah Elby Utomo, Mohamad Nur Wartiningsih, Alia Yohanna Thresia Nainggolan Yolanda Amalia Sirait Yulis Sayang Yunitasari