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A Quarterthiophene-Based Dye as an Efficient Interface Modifier for Hybrid Titanium Dioxide/Poly(3-hexylthiophene)(P3HT) Solar Cells

Pirashanthan, A.; Murugathas, T.; Robertson, N.; Ravirajan, P.; Velauthapillai, D. (University of Jaffna, 2019)

This work focused on studying the influence of dyes, including a thiophene derivative dye with a cyanoacrylic acid group ((E)-2-cyano-3-(30 ,300,3000-trihexyl-[2,20 :50 ,200:500,2000- quaterthiophene]- 5-yl) acrylicacid)(4T), ...

Nanoporous TiO solar cells sensitised with a fluorene–thiophene 2 copolymer

Ravirajan, P.; Haque, S.A.; Poplavskyy, D.; Durrant, J.R.; Bradley, D.D.C.; Nelson, J. (University of Jaffna, 2004)

Composites of nanostructured metal oxides with conjugated polymers are promising material combinations for efficient solar energy conversion.However, performance of such combinations is normally limited by the low interfacial ...

A multifunctional ruthenium based dye for hybrid nanocrystalline titanium dioxide/poly(3-hexylthiophene) solar cells

Pirashanthan, A.; Murugathas, T.; Mariappan, K.; Ravirajan, P.; Velauthapillai, D.; Yohi, S. (University of Jaffna, 2020)

This work reports the influence of a Ru based dye (RuC) on enhancing the performance of nanocrystalline titanium dioxide (TiO2)/Poly(3-hexylthiophene) (P3HT) solar cells. UV–Vis absorption spectra of TiO2/ P3HT and ...

Hybrid PolymerZinc Oxide Photovoltaic Devices with Vertically Oriented ZnO Nanorods and an Amphiphilic Molecular Interface Layer

Ravirajan, P.; Peiro, A.M.; Nazeeruddin, M.K.; Graetzel, M.; Bradley, D.D.C.; Durrant, J.R.; Nelson, J. (University of Jaffna, 2006)

We report on the effect of nanoparticle morphology and interfacial modification on the performance of hybrid polymer/zinc oxide photovoltaic devices. We compare structures consisting of poly-3-hexylthiophene (P3HT) polymer ...

Economic Loss of Northern Fishers Due to the Poaching Activities of Indian Trawlers

Vithursha, T.; Sivashanthini, K.; Gunaalan, K. (Vingnanam International Research Conference (VIRC), 2018)

The present study was carried out to analyze the economic loss of Sri Lankan fishers due to the poaching activities by Indian trawlers. Fishery resources are major livelihoods in South Indian and North Sri Lankan people ...

The Effect of Polymer Optoelectronic on the Perfomance of Multilayer Habrid Polymer/TiO2 Solar Cells

Ravirajan, P.; Haque, S.A.; Durrant, J.R.; Bradley, D.D.C.; Nelson, J. (University of Jaffna, 2005)

Efficient hybrid polymerTiO 2 solar cells using a multilayer structure

Ravirajan, P.; Green, A.; Haque, S. A.; Durrant, J. R.; Bradley, D.D.C.; Nelson, J. (University of Jaffna, 2004)

This study focuses on systems consisting of high hole-mobility MEHPPV based polymers or a fluorene-bithiophene co-polymer in contact with different nanocrystalline TiO 2 films. We use photoluminescence quenching, time of ...

Ecological Footprints for Aquaculture Possibility in Selected Mangrove Regions

Saruga, S.; Sivashanthini, K.; Gunaalan, K.; Sutharshiny, S. (Vingnanam International Research Conference (VIRC), 2018)

The present study was carried out to analyze the possibility of aquaculture in selected mangrove regions in Jaffna, Sri Lanka. A detailed study on the possibility of aquaculture was carried out in Sarasaalai (L1) and ...

Hybrid PolymerZinc Oxide Photovoltaic Devices with Vertically Oriented ZnO Nanorods and an Amphiphilic Molecular Interface Layer

Ravirajan, P.; Peiro, Ana M.; Nazeeruddin, M.K.; Graetzel, M.; Bradley, D.D.C.; Durrant, J.R.; Nelson, J. (University of Jaffna, 2006)

Keeping Fish As Pets: Perceptions From Fish Owners In Nallur, Jaffna, Sri Lanka

Gobiraj, R.; Shobiya, P.; Sivashanthini, K. (The open university of srilanka, 2020)

Fishkeeping is a popular hobby worldwide. Owning a fish pet and caring for its welfare is known as pet fish ownership. National and district-level information on pet fish ownership is limited. The present study aimed to ...

Marketing Channels And Intermediaries In Gurunagar Fish Market, Jaffna, Sri Lanka

Shobiya, P.; Uventhikka, S.; Sivagini, K.; Amarathunga, A.M.H.D.; Gobykrishanth, R.; Fernando, A.S.R.; Sivashanthini, K. (Annual Science Research Sessions, 2020)

Gurunagar market is one of the busiest and prominent landing site fish market in Jaffna peninsula. It is vital to know the current status and marketing efficiency in order to enhance and develop the existing marketing ...

Structural and photoelectrochemical characterization of heterostructured carbon sheet/Ag2MoO4-SnS/Pt photocapacitor

Kajana, T.; Velauthapillai, D.; Shivatharsiny, Y.; Ravirajan, P.; Yuvapragasam, A.; Senthilnanthanan, M. (University of Jaffna, 2020)

Photocapacitors can harvest solar energy and store it in the form of electrical energy and are expected to solve the problem of unstable power output of solar cells under fluctuating sunlight. In the present study, a ...

Variations in Important Water Quality Parameters and Fish Species of Thondaimanaru Lagoon, Jaffna, Sri Lanka

Shobiya, P.; Sivashanthini, K.; Sutharshiny, S.; Gunaalan, K. (Vingnanam International Research Conference (VIRC), 2018)

Thondaimanaru lagoon is one of the shallow coastal lagoons in Jaffna peninsula. This study was conducted to assess the present status of water quality and fish species composition of this lagoon. Water sampling was ...

Enhancement of hole mobility in hybrid titanium dioxide/poly(3-hexylthiophene) nanocomposites by employing an oligothiophene dye as an interface modifier

Prashanthan, K.; Thivakarasarma, T.; Ravirajan, P.; Planells, M.; Robertson, N.; Nelson, J. (University of Jaffna, 2017)

This study focuses on the influence of interface modifiers on the charge transport of hybrid nanoporous titanium dioxide (TiO2)/poly(3-hexylthiophene) (P3HT) nanocomposites by using the time of flight technique. We found ...

Impacts of Barrage Construction on Socio – Economic Status of Fishers in Thondaimanaru Lagoon, Jaffna, Sri Lanka

Shobiya, P.; Sivashanthini, K.; Sutharshiny, S.; Gunaalan, K. (Vingnanam International Research Conference (VIRC, 2018)

Present study was conducted to determine the impacts of barrage construction on livelihood status of fishers who involve fishing in Thondaimanaru lagoon. The data related to the socio economic condition of the fisher ...

Factors limiting the efficiency of molecular photovoltaic devices

Nelson, J.; Kirkpatrick, J.; Ravirajan, P. (University of Jaffna, 2004)

Influence of polymer ionization potential on the open-circuit voltage of hybrid polymer/TiO2 solar cells

Ishwara, T.; Bradley, D.D.C.; Nelson, J.; Ravirajan, P.; Vanseveren, I.; Cleij, T.; Vanderzande, D.; Lutsen, L.; Tierney, S.; Heeney, M.; McCulloch, I. (University of Jaffna, 2008)

Hybrid polymer–metal oxide thin films for photovoltaic applications

Boucle, J.; Ravirajan, P.; Nelson, J. (University of Jaffna, 2007)

The Effect of Surface Roughness of Substrates on the Performance of Polycrystalline Cadmium Sulfide/Cadmium Telluride Solar Cells

Balashangar, K.; Thanihaichelvan, M.; Ravirajan, P.; Mahanama, G.D.K.; Dissanayake, M.A.K.L.; Colegrove, E.; Dhere, R.G.; Sivananthan, S. (University of Jaffna, 2015)

The cadmium sulfide (CdS)/cadmium telluride (CdTe) heterojunction is a promising material com bination for the development of cost efficient solar cells to meet the world’s future energy demand. This study examined the ...

Multi-walled carbon nanotube incorporated Nanoporous Titanium Dioxide electrodes for Hybrid Polymer Solar cells

Balashangar, K.; Paranthaman, S.; Thanihaichelvan, M.; Amalraj, P.A.; Velauthapillai, D.; Ravirajan, P. (University of Jaffna, 2018)

This study focuses on incorporating Multi-walled carbon nanotubes (MWNT) in nanoporous titanium dioxides (TiO2) thin film for enhancing the performance of hybrid Poly(3-hexylthiophene)(P3HT)/ TiO2 solar cells. MWNTs ...

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