Blar i HVL Open på forfatter "Velauthapillai, Dhayalan"
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First-Principle Calculation of High Absorption-TlGaTe2 for Photovoltaic Application
Rasukkannu, Murugesan; Velauthapillai, Dhayalan; Vajeeston, Ponniah (Journal article; Peer reviewed, 2019)We use first-principle calculations based on hybrid functional and the Bethe-Salpeter equation method to investigate the electronic and optical properties of dichalcogenide TlGaTe2. Based on theoretical studies, TlGaTe2 ... -
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 ... -
Hybrid Density Functional Study of Au2Cs2I6, Ag2GeBaS4, Ag2ZnSnS4, and AgCuPO4 for the Intermediate Band Solar Cells
Rasukkannu, Murugesan; Velauthapillai, Dhayalan; Vajeeston, Ponniah (Journal article; Peer reviewed, 2018)We present a comprehensive investigation of the structural, electronic, mechanical, and optical properties of four promising candidates, namely Au2Cs2I6, Ag2GeBaS4, Ag2ZnSnS4, and AgCuPO4, for application in photovoltaic ... -
Implementing the donor–acceptor approach in electronically conducting copolymers via electropolymerization
Rajapakse, Gamini; Watkins, Davita; Ranathunge, Tharindu; Gunarathne, H M N P; Sandakelum, Lahiru; Malikaramage, Asitha Udayanga; Wylie, Shane; Abewardane, P G P R; Egodawela, M. G. S. A. M. E. W. D. D. K; Herath, W. H. M. R. N. K.; Bandara, Sanjaya; Strongin, Daniel R; Attanayake, Nuwan Harsha; Velauthapillai, Dhayalan; Horrocks, Benjamin R (Peer reviewed; Journal article, 2022)Electropolymerization has become a convenient method for synthesizing and characterizing complex organic copolymers having intrinsic electronic conductivity, including the donor (D)–acceptor (A) class of electronically ... -
In-depth first-principle study on novel MoS 2 polymorphs
Eidsvåg, Håkon; Rasukkannu, Murugesan; Velauthapillai, Dhayalan; Vajeeston, Ponniah (Peer reviewed; Journal article, 2021)Molybdenum disulphide (MoS2) is a rising star among transition-metal dichalcogenides in photovoltaics, diodes, electronic circuits, transistors and as a photocatalyst for hydrogen evolution. A wide range of MoS2 polymorphs ... -
In-Silico Prediction of Mechanical Behaviour of Uniform Gyroid Scaffolds Affected by Its Design Parameters for Bone Tissue Engineering Applications
Nazimutheen Musthafa, Haja Sherief; Walker, Jason; Rahman, Talal; Bjørkum, Alvhild Alette; Mustafa, Kamal Babikeir Elnour; Velauthapillai, Dhayalan (Peer reviewed; Journal article, 2023)Due to their excellent properties, triply periodic minimal surfaces (TPMS) have been applied to design scaffolds for bone tissue engineering applications. Predicting the mechanical response of bone scaffolds in different ... -
Lithium doped poly(3-hexylthiophene) for efficient hole transporter and sensitizer in metal free quaterthiophene dye treated hybrid solar cells
Pirashanthan, Arumugam; Velauthapillai, Dhayalan; Robertson, Neil; Ravirajan, Punniamoorthy (Peer reviewed; Journal article, 2021)This work focuses on the role of Lithium doped Poly(3-hexylthiophene)(P3HT) in metal-free quaterthiophene (4T) dye treated Titanium dioxide (TiO2) based hybrid solar cells. The dye treated hybrid solar cells with Lithium ... -
Low-Cost Perovskite Solar Cell Fabricated using the Expanded Graphite Back Contact and Electronically Conducting Activated Carbon as the Hole Transporting Material
Buddhika, Karunarathne; Dunuweera, S P; Medagedera, A T; Velauthapillai, Dhayalan; Ravirajan, Punniamoorthy; Tennakone, Keerthi; Perera, U G; de Slva, Ajith; Rajapakse, R.M.G.; Kumara, G.R.A (Peer reviewed; Journal article, 2023)Although perovskite solar cells (PSCs) have reached a record high conversion efficiency of 25.7%, the materials used to fabricate them invoke costly hole-transporting materials, such as spiro-OMeTAD, and expensive gold ... -
Machine Learning Approach Regarding the Classification and Prediction of Dog Sounds: A Case Study of South Indian Breeds
Mohandas, Prabu; Anni, Jerline Sheebha; Hasikin, Khairunnisa; Velauthapillai, Dhayalan; Raj, Veena; Murugathas, Thanihaichelvan; Azizan, Muhammad Mokhzaini; Thanasekaran, Rajkumar (Peer reviewed; Journal article, 2022)Barking is a form of vocal communication made by dogs. Each type of bark made by dogs has a distinct context. The classification of dog bark pattern will aid in the understanding of barking action. In this study, a machine ... -
Machine Learning Approach Regarding the Classification and Prediction of Dog Sounds: A Case Study of South Indian Breeds
Mohandas, Prabhu; Jerline Sheebha, Anni; Khairunnisa, Hasikin; Velauthapillai, Dhayalan; Veena, Raj; Thanihaichelvan, Murugathas; Muhammad Mokhzaini, Azizan; Rajkumar, Thanasekaran (Peer reviewed; Journal article, 2022)Barking is a form of vocal communication made by dogs. Each type of bark made by dogs has a distinct context. The classification of dog bark pattern will aid in the understanding of barking action. In this study, a machine ... -
Marigold flower like structured Cu2NiSnS4 electrode for high energy asymmetric solid state supercapacitors
Isacfranklin, M; Yuvakkumar, R; Ravi, Ganesan; Hong, S. I.; Foo Shini, M; Thambidurai, M.; Dang, Cuong; Velauthapillai, Dhayalan (Journal article; Peer reviewed, 2020)The growth in energy devices and the role of supercapacitors are increasingly important in today’s world. Designing an electrode material for supercapacitors using metals that have high performance, superior structure, are ... -
Morphological evolution of carnation flower-like Cu2CoSnS4 battery-type electrodes
Isacfranklin, M; Yuvakkumar, R; Ravi, G; Velauthapillai, Dhayalan (Peer reviewed; Journal article, 2022)Transition metal sulfides are the most reliable type of battery electrode material for supercapacitors. Herein, the morphological evolution of Cu2CoSnS4 has been enhanced with different time-varied temperature processes ... -
Morphological evolution of carnation flower-like Cu<inf>2</inf>CoSnS<inf>4</inf> battery-type electrodes
Isacfranklin, M.; Yuvakkumar, R.; Ravi, G.; Velauthapillai, Dhayalan (Peer reviewed; Journal article, 2022)Transition metal sulfides are the most reliable type of battery electrode material for supercapacitors. Herein, the morphological evolution of Cu2CoSnS4 has been enhanced with different time-varied temperature processes ... -
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 ... -
Nd doped ZrO<inf>2</inf> photocatalyst for organic pollutants degradation in wastewater
Keerthana, S.P.; Yuvakkumar, R.; Senthil Kumar, Kumar; Ravi, G.; Velauthapillai, Dhayalan (Peer reviewed; Journal article, 2022)Wastewater management is the most discussed topic in this current era. To overcome the scarcity of water and wastewater treatment, reusage of water is the convenient way. By removing the organic pollutants, the water can ... -
Nd doped ZrO[formula omitted] photocatalyst for organic pollutants degradation in wastewater
Keerthana, S P; Yuvakkumar, R; Senthilkumar, P; Ravi, G; Velauthapillai, Dhayalan (Peer reviewed; Journal article, 2022)Wastewater management is the most discussed topic in this current era. To overcome the scarcity of water and wastewater treatment, reusage of water is the convenient way. By removing the organic pollutants, the water can ... -
Neodymium-Doped Novel Barium Tungstate Nanospindles for the Enhanced Oxygen Evolution Reaction
Swathi, S; Priyanga, Marimuthu; Yuvakkumar, R; Ravi, G; Al-Sehemi, A; Velauthapillai, Dhayalan (Peer reviewed; Journal article, 2023)In this work, pristine, 0.02, 0.04, and 0.06 M neodymium (Nd)-doped barium tungstate nanostructures were synthesized via a simple co-precipitation method for the water oxidation process. The obtained X-ray diffraction ... -
Nickel-cobalt hydroxide: a positive electrode for supercapacitor applications
Vidhya, S; Ravi, G; Yuvakkumar, R; Velauthapillai, Dhayalan; Thambidurai, M; Dang, Quong; Saravanakumar, B (Peer reviewed; Journal article, 2020)So far, numerous metal oxides and metal hydroxides have been reported as an electrode material, a critical component in supercapacitors that determines the operation window of the capacitor. Among them, nickel and cobalt-based ... -
Performance assessment of a 20 MW photovoltaic power plant in a hot climate using real data and simulation tools
Bentouba, Said; Mahmoud, Bourouis; Nadjet, Zioui; Pirashanthan, Arumugam; Velauthapillai, Dhayalan (Peer reviewed; Journal article, 2021)The present study aims to evaluate the aptness of two commercial simulators, HOMER Pro and RETScreen Expert, as predictors of the performance of a large-scale photovoltaic power plant designed to deliver up to 20 MW in a ... -
Perovskite Solar Cells: A Porous Graphitic Carbon based Hole Transporter/Counter Electrode Material Extracted from an Invasive Plant Species Eichhornia Crassipes
Selvakumar, P; Easwaramoorthy, Nandakumar; Natarajan, Muthukumarasamy; Santhanam, Agilan; Asokan, Vijayashankar; Venkatraman, Madurai Ramakrishnan; Senthilarasu, Sundaram; Ravirajan, Punniyamoorthy; Velauthapillai, Dhayalan (Peer reviewed; Journal article, 2020)Perovskite solar cells (PSCs) composed of organic polymer-based hole-transporting materials (HTMs) are considered to be an important strategy in improving the device performance, to compete with conventional solar cells. ...