Browsing HVL Open by Author "Rajaramanan, Tharmakularasa"
Now showing items 1-7 of 7
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Cost Effective Solvothermal Method to Synthesize Zn-Doped TiO2 Nanomaterials for Photovoltaic and Photocatalytic Degradation Applications
Rajaramanan, Tharmakularasa; Shanmugaratnam, Sivagowri; Gurunanthanan, Vijayakumar; Shivatharsiny, Yohi; Velauthapillai, Dhayalan; Ravirajan, Punniamoorthy; Senthilnanthanan, Meena (Peer reviewed; Journal article, 2021)Titanium dioxide (TiO2) is a commonly used wide bandgap semiconductor material for energy and environmental applications. Although it is a promising candidate for photovoltaic and photocatalytic applications, its overall ... -
Eco-friendly Egyptian blue (CaCuSi<inf>4</inf>O<inf>10</inf>) dye for luminescent solar concentrator applications
Rajaramanan, Tharmakularasa; Keykhaei, Mansoureh; Gourji, Fatemeh Heidari; Ravirajan, Punniamoorthy; Senthilnanthanan, Meena; Frette, Øyvind; Velauthapillai, Dhayalan (Peer reviewed; Journal article, 2023)This study focuses on synthesizing the heavy metal-free ancient Egyptian blue (EB; CaCuSi4O10) dye using a facile ceramic method for luminescent solar concentrator (LSC) application. XRD, SEM and EDX results confirmed that ... -
Enhanced Photovoltaic Properties of Dye-Sensitized Solar Cells through Ammonium Hydroxide-Modified (Nitrogen-Doped) Titania Photoanodes
Rajaramanan, Tharmakularasa; Fatemeh, Heidari Gourji; Velauthapillai, Dhayalan; Ravirajan, Punniamoorthy; Meena, S (Peer reviewed; Journal article, 2023)Doping is a unique strategy to modulate the optical and electronic properties of semiconducting materials. This study reports a facile approach to fabricate nitrogen-doped TiO2 (N-doped TiO2) photoanode for DSSC application. ... -
A facile impregnation synthesis of Ni-doped TiO2 nanomaterials for dye-sensitized solar cells
Rajaramanan, Tharmakularasa; Velauthapillai, Dhayalan; Ravirajan, Punniamoorthy; Senthilnanthanan, Meena (Peer reviewed; Journal article, 2023)This study reports a facile impregnation method for synthesizing Ni-doped TiO2 nanomaterials using P25-TiO2 as a starting material. The as prepared nanomaterials were subjected to structural and optical characterizations ... -
Hierarchical Cube-in-Cube Cobalt-Molybdenum Phosphide Hollow Nanoboxes Derived from the MOF Template Strategy for High-Performance Supercapacitors
Fatemeh, Gourji; Rajaramanan, Tharmakularasa; Kishore, Amruthaa; Heggertveit, Marte; Velauthapillai, Dhayalan (Peer reviewed; Journal article, 2023)The design of hierarchical hollow nanostructures with complex shell architectures is an attractive and effective way to obtain a desirable electrode material for energy storage application. Herein, we report an effective ... -
Natural sensitizer extracted from Mussaenda erythrophylla for dye-sensitized solar cell
Rajaramanan, Tharmakularasa; Gourji, Fatemeh Heidari; Elilan, Yogenthiran; Yohi, Shivatharsiny; Senthilnanthanan, Meena; Ravirajan, Punniamoorthy; Velauthapillai, Dhayalan (Peer reviewed; Journal article, 2023)In this study, a natural dye from the fowers of Mussaenda erythrophylla extracted separately in ethanol and de-ionized water was employed as a photosensitizer in DSSCs. The quantitative phytochemical analyses were performed ... -
Ruthenium (Ru) Doped Titanium Dioxide (P25) electrode for dye sensitized solar cells
Rajaramanan, Tharmakularasa; Natarajan, Muthukumarasamy; Ravirajan, Punniamoorthy; Senthilnanthanan, Meena; Velauthapillai, Dhayalan (Peer reviewed; Journal article, 2020)In this study, P25-titanium dioxide (TiO2) was doped with ruthenium (Ru) by systematically varying the Ru content at 0.15, 0.30, 0.45 and 0.6 mol%. The synthesized Ru-doped TiO2 nanomaterials have been characterized by ...