Conference Proceeding: Recent submissions

Now showing items 2401-2420 of 2907

Nano Structured Silicon as Antireflection and Emitter for Terrestrial Solar Cells

Mayandi, J.; Venkatesan, R.; Venkatachalapathy, V. (University of Jaffna, 2019)

The demand for renewable energy has increased in the last few years due to the limited availability of the widely used fossil fuel. Solar energy is by far the most abundant renewable energy source available, but the levelized ...
Multifunctionality of Novel Ruthenium Dye (RuC) as an Interface Modifier for Nanocrystalline Titanium dioxide / Poly (3-hexylthiophene) Hybrid Solar Cells

Rasalingam, S.; Pirashanthan, A.; Thanihaichelvan, M.; Mariappan, K.; Velauthapillai, Dhayalan; Ravirajan, P. (University of Jaffna, 2019)

This work reports the multifunctionality of a novel Ru based dye (RuC) in enhancing the performance of nanocrystalline Titanium dioxide (TiO2) / Poly (3-hexylthiophene) (P3HT) hybrid solar cells. TiO2 / P3HT nanocomposite ...
Mk-2 dye for Dye-Sensitized Solid-State Solar Cells with Copper Iodide as a Hole Transport Material.

Liyanage, D. N.; Kumarasinghe, K. D. M. S. P. K.; Kumara, G. R. A.; Jayasundera, A. C. A.; Tennakone, K. (University of Jaffna, 2019)

Dye-sensitized Solid-state Solar Cell (DSSC) has been received great deal of attention due to its attractive features over the wet type Dye-sensitized Solar Cells (DSCs). However the configuration of DSSC, n-type semiconductor/ ...
Investigations of RF Magnetron Sputtered Cu2ZnSnS4 (CZTS) Absorber Layer Using X-ray Photoelectron Spectroscopy for Thin Film Solar Cell

Balaji, G.; Balasundaraprabhu, R.; Prasanna, S.; Prabavathy, N.; McIlroy, D. N.; Sivakumaran, K.; Kannan, M. D.; Velauthapillai, Dhayalan (University of Jaffna, 2019)

Cu2ZnSnS4 (CZTS), a quaternary compound semiconductor, is an earth abundant and sustainable semiconductor material that is used as an absorber layer for thin film solar cells. In the present work, CZTS thin films were ...
Investigation of PbS Quantum dot Sensitized ZnO Nanorods - Photo Anode for Solar Cell Applications

Vinoth Pandi, D.; Muthukumarasamy, N.; Venkatraman, M.R.; Agilan, S.; Balraju, P.; Velauthapillai, Dhayalan (University of Jaffna, 2019)

Sol gel dip coating method has been used for preparing ZnO nanorods (NRs). PbS quantum dots (QDs) have been synthesized by successive ionic layer adsorption and reaction (SILAR) method. The structural and optical characteristics ...
Impact of TiO2 Nanorods-Nanoparticles Bilayer Assembly in the Performance of Dye Sensitized Solar Cells

Shobana, M.; Muthukumarasamy, N.; Balasundaraprabhu, R.; Dhayalan, V. (University of Jaffna, 2019)

The photo anodes in dye sensitized solar cells (DSSCs) with two different morphologies such as one dimensional nanorods and nanoparticles of TiO2 were utilized for improving the short circuit current density of the device. ...
Fault Ride-Through of Grid Connected Photovoltaic Solar System

Rajan, R.; Panchalogaranjan, V.; Shanmugarajah, V.; Ravindran, N.; Atputharajah, A. (University of Jaffna, 2019)

Contribution from the photovoltaic solar power plants has significantly increased in supplying the power demand to the power system. The occurrence of a short time fault in the power system trips the solar power plant from ...
Exploring Optoelectronic and Electrochemical Behavior of γ-CuI Thin films Prepared by Solid Iodination Process

chinnakutti, k. k.; Shyju, T.S. (University of Jaffna, 2019)

A simple and efficient solid iodination method is reported for the fabrication of p-type γ-CuI thin films. The structural, morphological, optical, electrical and electrochemical properties are studied in order to utilize ...
Experimental Study on Hybrid Natural Circulation Type Solar Air Heater with Thermal Storage

Sunil Raj, B. A.; Eswaramoorthy, M. (University of Jaffna, 2019)

The hybrid natural circulation type solar air heater has the potential of preserving the agricultural produces and it saves conventional fuels and reducing environmental destruction. A new type of V-trough solar collector ...
Enhancing the Performance of Dye Sensitized Solar Cells Using Ru-Doped TiO2 Electrode

Rajaramanan, T.; Velauthapillai, Dhayalan; Ravirajan, P.; Senthilnanthanan, M. (University of Jaffna, 2019)

During the past few decades, the dye sensitized solar cells (DSSCs) have intensively been focused as an alternative energy source due to their low cost, easy fabrication and environment friendly operation. However, relaxation ...
Electrodeposition of Bismuth Oxyiodide for Photoelectrochemical Applications

Mohan Kumar, G.; Rangarajana, M. (University of Jaffna, 2019)

This study reports the electrodeposition of bismuth oxyiodide thin films on FTO substrates for the first time from aqueous nitrate baths. The electrodeposition process involves the reduction of Bi(lll) to Bi(l), elemental ...
Efficient Hybrid Titanium Dioxide / Poly-3-Hexylthiophene Solar Cells Using an Oligothiophene Dye as an Interface Modifier

Pirashanthan, A.; Suganya, S.; Thanihaichelvan, M.; Robertson, N.; Velauthapillai, Dhayalan; Ravirajan, P. (University of Jaffna, 2019)

Hybrid metal oxide-polymer nanocomposites are promising material combination for cost efficient solar cells. However, the power conversion efficiency (PCE) of these hybrid solar cells are limited due to several reasons, ...
Efficiency Enhancement in Dye-Sensitized Solar Cells Using Hierarchical TiO2 Microspheres as a Scattering Layer

Senthuran, S.; Dissanayake, M.A.K.L.; Senadeera, G.K.R.; Jaseetharan, T. (University of Jaffna, 2019)

Dye-sensitized solar cells (DSCs) have emerged as a viable alternative to the conventional siliconbased solar cells due to simple fabrication, low cost and tunable aesthetic features, such as colour and transparency. The ...
Effects of Physical Orientation of Dye Molecules and Molecular Orbitals on Performance of Solid-State Dye Sensitized Solar Cells

Pitigala, P. K. D. D. P.; Henary, M. M.; Perera, A. G. U. (University of Jaffna, 2019)

Studies on Dye-Sensitized devices (DSDs) were initiated around late 1960s. DSDs are studied as a low cost alternative for photovoltaic optoelectronic devices, notably as solar cells. Their performance depends on the photon ...
Effect of Polyaniline on the Performance of Dye Sensitized Solar Cells Fabricated With Poly (Ethylene Oxide) Based Gel Polymer Electrolytes

Kumari, J.M.K.W.; Dissanayake, M.A.K.L.; Senadeera, G.K.R.; Weerasinghe, A.M.J.S.; Thotawatthage, C.A. (University of Jaffna, 2019)

Dye sensitized solar cells (DSSCs) mainly consists of a dye adsorbed photo-anode, a counter electrode and a redox electrolyte, in which the electrolyte plays an important role as the charge transport medium. DSSCs generally ...
Effect of Ligand Attached to Fluorescein on the Photocurrent of Solidstate Dye-sensitized Solar Cells

Dissanayake, P.N.; Kumara, G.R.A.; Sirimanne, P.M. (University of Jaffna, 2019)

Organic dyes have received much attention due to environmental compatibility. Fluorescein is one of the environmental friendly dyes. The effect of ligands attached to fluorescein on the photo-performance of TiO2|dye|p-se ...
Effect of Hole Transporting Materials on the Performance of Perovskite Solar Cells in Air

Uthayaraj, S.; Rasalingam, S.; Selvakumar, P.; Kumara, G.R.A.; Rajapakse, G.; Velauthappillai, Dhayalan; Ravirajan, P. (University of Jaffna, 2019)

Perovskite solar cell (PSC) has been intensively studied for improving the efficiency and stability for the past few years. Various Hole Transporting Materials (HTMs) have been reported in optimizing the performance of ...
Effect of Counter Ion in an Iodide Ion Conducting Gel-Polymer Electrolyte Intended for Dye Sensitized Solar Cells - A Comparative Study between Potassium Iodide and Tetrahexylammonium Iodide

Senavirathna, S. L. N.; Bandara, T. M. W. J.; Vignarooban, K. (University of Jaffna, 2019)

Quasi-solid-state dye-sensitized solar cells (DSSCs) give higher stability and reasonably good efficiency compared to those of liquid electrolytes based solar cells. It was recently revealed that counter ions in electrolytes ...
The Effect of Public Influence on Policy Alternatives to Mitigate Climate Change Risks : A Comparative Study in Developed and Developing Countries

Vitharana, S.P.H.; Kandegama, W.M.W. (University of Jaffna, 2020)

Agriculture plays a decisive role in the global economies and remains central to the lives of a great many people around the world. It has been widely accepted that climate change has caused numerous challenges to the ...
The Effect of Indian Ocean Dipole (IOD) Events on the Second Inter-Monsoonal Rainfall in the Dry Zone of Sri Lanka

Abeysekera, A.B.; Punyawardena, B.V.R.; Marambe, B.; Jayawardena, I.M.S.P.; Sivananthawer, T.; Wickramasinghe, V.N.M. (University of Jaffna, 2020)

Indian Ocean Dipole (IOD) is an ocean-atmospheric coupled phenomenon associated with the east-west gradient of Sea Surface Temperature (SST) anomalies in the tropical Indian Ocean. The positive (warm) phase of IOD leads ...

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