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All Journal VALENSI Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan POSITRON Jurnal Riset Kimia Indonesian Journal of Pharmaceutical Science and Technology Jurnal Kelautan Tropis Journal Of Chemical Process Engineering (JCPE) ALCHEMY Jurnal Penelitian Kimia Indonesian Journal of Pure and Applied Chemistry
Winda Rahmalia
1. Jurusan Kimia, Fakultas MIPA, Universitas Tanjungpura 2. Chemistry Insight Center Fakultas MIPA, Universitas Tanjungpura
Aerospace Engineering Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Earth & Planetary Sciences Energy Engineering Environmental Science Materials Science & Nanotechnology Medicine & Pharmacology Physics

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Synthesis of Mg-doped TiO2 Using a Hydrothermal Method as Photoanode on Bixin-Sensitized Solar Cell Winda Rahmalia; Intan Syahbanu; Nurlina; Ayu Widya Sari; Septiani
Jurnal Riset Kimia Vol. 14 No. 2 (2023): September
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jrk.v14i2.622

Abstract

Titanium dioxide (TiO2) with magnesium (Mg) doping for dye-sensitized solar cell (DSSC) photoanode application has been synthesized. DSSC components used in this study were photosensitizer (bixin), electrolyte (), cathode (platinum), and photoanode (Mg-TiO2). This research aims to determine the characteristics of Mg-doped TiO2 photoanode with variations in dopant concentration based on the results of XRD and DR/UV-Vis analysis, as well as to determine the maximum efficiency conversion energy of DSSC using Mg-doped TiO2 and undoped TiO2 as photoanodes. The synthesis of TiO2 and Mg-TiO2 was carried out using the hydrothermal method with variations in the concentration of Mg dopant of 0, 0.5, 1, and 2% based on the molar ratio. The presenceof 2% of Mg in anatase TiO2 paste decreased the TiO2 band gap from 3.15 to 2.60 eV. Analysis results show that adding Mg dopant decreased the crystal size. Mg dopants on TiO2 could also form new energy levels, which reduced the band gap energy of TiO2. In addition, the increased concentration of Mg dopants also shifted the absorption capacity of TiO2 from the ultra-violet (UV) wavelengths region to the visible light area. The maximum energy conversion efficiency of the DSSCs with Mg-doped TiO2 photoanode of 0.5, 1, and 2% are 0.045; 0.070, and 0.172%, respectively, where these three efficiency values are higher than undoped TiO2 (0.017%). The results proved that the presence of Mg dopants on the TiO2 photoanode can increase the efficiency of DSSC.
Co-Authors Adhitiyawarman, Adhitiyawarman Angie Islammiyati Annisa Bella Maharani Ayu Widya Sari Deni Pranata Dwi I. Prayitno Esi Amelyanti Fajar Nugraha Fajriaty, Inarah Gusrizal Gusrizal Hadi Kurniawan Hairunnisa Hairunnisa Hamdil Mukhlishin Imelda Hotmarisi Silalahi Inda Putrinesia Intan Syahbanu Intan Syahbanu Intan Syahbanu Lia Destiarti M Syahwandi Mas Inda Putrinesia Mauludia Mauludia Nia Dahlia Nico Gustian Nimas Ade Kusdayanti Nur Ridha An Nisa Nurlina Nurlina Nurlina Nurlina, Nurlina Nurul Asyikin Prayitno, Dwi Imam Puji Ardiningsih Ramadhy, Wahyu Febri Risya Sasri Sabrina Maulidya Amir Septiani Septiani Septiani Septiani Septiani Siti Nani Nurbaeti Thamrin Usman Thamrin Usman Titin Anita Zahara Titin Anita Zahara Titin Anita Zaharah Uray Amira Naselia Uray Amira Naselia Utin Widiatannur Wahyu Febri Ramadhy Yoga Pratama Zulenda Zulenda