Physics: Recent submissions

Now showing items 41-60 of 171

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 ...
Metallic-semiconducting junctions create sensing hot-spots in carbon nanotube FET aptasensors near percolation

Thanihaichelvan, M.; Browning, L.A.; Dierkes, M.P.; Reyes, R.M.; Kralicek, A.V.; Carrahere, C.; Marlow, C.A.; Plank, N.O.V. (University of Jaffna, 2019)

Easily fabricated random network carbon nanotube field-effect transistors (CNT-FETs) have benefitted from improved separation techniques to deliver CNTs with current formulations providing at least 99% semiconducting ...
Estimating missing daily temperature extremes in Jaffna, Sri Lanka

Thevakaran, A.; Sonnadara, D.U.J. (University of Jaffna, 2018)

The accuracy of reconstructing missing daily temperature extremes in the Jaffna climatological station, situated in the northern part of the dry zone of Sri Lanka, is presented. The adopted method utilizes standard depar ...
Data on liquid gated CNT network FETs on flexible substrates

Thanihaichelvan, M.; Browning, L.A.; Dierkes, M.P.; Reyes, R.M.; Kralicek, A.V.; Carrahe, C.; Marlow, C.A.; Plank, N.O.V. (University of Jaffna, 2018)

This article presents the raw and analyzed data from a set of experiments performed to study the role of junctions on the electrostatic gating of carbon nanotube (CNT) network field effect transistor (FET) aptasensors. It ...
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, D.; 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 ...
Multifunctional novel ruthenium dye (RuC) for nanocrystalline titanium dioxide / Poly (3-heylthiophene) hybrid solar Cells

Pirashanthan, A.; Thanihaichelvan, M.; Shivatharsiny, R.; Dhayalan, V.; Ravirajan, P. (University of Jaffna, 2018)

Hybrid solar cells with conjugated polymers as donors and metal oxide nanocrystals as acceptors have generated significant interest owing to their light weight, low cost, mechanical flexibility, and simple solution ...
Multi role of novel ru based dye in enhancing the performance of hybrid TiO2/P3HT solar Cells

Prashanthan, K.; Thivakarasarma, T.; Sumanthiran, P.; Rasalingam, S.; Mariappan, K.; Ravirajan, P. (University of Jaffna, 2017)

Hybrid polymer solar cells using colloidal Titanium dioxide (TiO2) nanoparticles as acceptors and poly(3- hexylthiophenee) (P3HT) as donor material represent one of the most promising routes towards low-cost, renewable, ...
Influence of annealing time for spray coated CdCl2 on CdS/CdTe thin-film solar cells

Mohanaramanan, T.; Thivakarasarma, T.; Kumarasinghe, R.G.; Dassanayake, B.S.; Velauthapillai, D.; Ravirajan, P. (University of Jaffna, 2021)
Solid State Nanoporous TiO2 Solar Cells Sensitised with Natural Dyes

Jaseetharan, T.; Jeyakanthan, K.; Satchithananthan, S.; Sarathchandran, S.; Senthilnanthanan, M.; Sivaraya, S.; Ravirajan, P. (University of Jaffna, 2008)

Dye-sensitized nanoporous TiO2 solar cell is a promising system for cost-efficient solar energy conversion application. In these solar cells, Ru-based dye molecules, adsorbed on the surface of a nanoporous sintered TiO2 ...
Role of Ruthenium and Quarterthiophene based dyes in enhancing the performance of Hybrid Titanium dioxide / Polymer Solar Cells

Pirashanthan, A.; Velauthapilla, D.; Ravirajan, P. (University of Jaffna, 2021)

Conjugated polymers and metal oxides are promising material combination for cost efficient solar cells. However, power conversion efficiency of these hybrid solar cells are limited due to several factors such as poor ...
Proceedings of Technological Advances in Science, Medicine and Engineering Conference 2021

Abiram, G.; Ravirajan, P.; Velauthapillai, D.; Thanihaichelvan, M. (University of Jaffna, 2021)

The Perovskite is considered as the most alluring successor to the conventional semiconductors to fabricate channel materials in the thin film field effect transistors. The complicated and expensive manufacturing techniques ...
Optimizing the Performance of Perovskite Solar Cells by Varying Active Layer Thickness

Tharmalingam, S.; Uthayaraj, S.; Pirashanthan, A.; Rasalingam, S.; Velauthapillai, D.; Ravirajan, P. (University of Jaffna, 2019)

Perovskite solar cells (PSCs) have been emerged as a strong contender for the next generation of photovoltaic technologies due to their promising power conversion efficiency (PCE) along with high absorbance, low-cost of ...
Optimizing the performance of cadmium sulfidecoated nanoporous titanium dioxide / poly (3-hexylthiophene) solar cells

Thanihaichelvan, M.; Kodikara, M. M. P. S.; Ravirajan, P. (University of Jaffna, 2016)

This work reports a study of the effects of Cadmium Sulfide (CdS) interlayer on the performance of the Nanoporous Titanium dioxide (TiO2)/Poly (3-hexylthiophene)(P3HT) solar cells. CdSnano layers with different thicknesses ...
Improving the performance of titanium dioxide / polymer solar cell by introducing monolayers at the interface

Loheeswaran, S.; Amalraj, P.A.; Balashangar, K.; Ravirajan, P. (University of Jaffna, 2012)

Solar cell comprising conjugated polymer with porous metal oxides that could serve as electron transporter is the theme of several recent researches because of the desirable properties possessed by the metal oxide such ...
Facile fabrication of nitrogen-doped titanium dioxide-based dye-sensitized solar cells

Gurunanthanan, V.; Rajaramanan, T.; Velauthapillai, D.; Ravirajan, P.; Senthilnanthanan, M. (University of Jaffna, 2021)

Titanium dioxide (TiO2) is a commonly used semiconductor in Dye-Sensitized Solar cells (DSSCs) as it is inexpensive, abundant and innocuous to the environment. However, lack of response to the visible light and slow ...
Enhancing the performance of hybrid nanocrystalline metal oxides / polymer solar cells using dye as interface modifier

Pirashanthan, A.; Uthayaraj, S.; Rajaramanan, T.; Thivakarasarma, T.; Thanihaichelvan, M.; Yohi, S.; Senthilnanthanan, M.; Robertson, N.; Dhayalan, V.; Ravirajan, P. (University of Jaffna, 2019)

Hybrid Polymer / Metal oxide nanocomposite is a good and simple model system to study the effects of interfacial properties and film morphology on the performance of bulk heterojunction solar cells1-3 . Considerable ...
Enhanced performance in hybrid titanium dioxide / poly (3- hexylthiophene) polymer solar cells: a comparative study with novel ru based dye as interface modifier

Thivakarasarma, T.; Sumanthiran, P.; Rasalingam, S.; Mariappan, K.; Prashanthan, K.; Ravirajan, P. (University of Jaffna, 2016)

Nanoporous Titanium dioxide (TiO2) combined with poly (3-hexylthiophene) polymer is a promising nanocomposite for cost efficient photovoltaic devices. However, the poor power conversion efficiency found in such devices ...
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, D.; 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, ...
Effects of buffer layer and thickness of window-layer on performance of highly efficient polycrystalline cadmium sulfide (cds)/cadmium telluride (cdte) solar cells

Thanihaichelvan, M.; Ravirajan, P.; Mahanama, G.D.K.; Dissanayake, M.A.K.L.; Colegrove, E.; Dhere, R.; Sivananthan, S. (University of Jaffna, 2013)

In this work, the effects of buffer layer and thicknesses of the window layer on performance of CdS/CdTe solar cells were studied. The quality and performance of the buffer layer and active layers was studied as a function ...
Effect of thermal annealing of CBD-CdS on the electrical properties of CBD-CdS/ED-CdTe solar cell

Gajanayake, G.K.U.P.; Silva, D.S.M.D.; Atapattu, H.Y.R.; Thivakarasarma, T. (University of Jaffna, 2020)

Thermal annealing is one of the key steps to enhance the optoelectronic properties of the CdS/CdTe solar cells. In this study, the effects of annealing temperature and annealing time of chemical bath deposited (CBD) CdS ...

Now showing items 41-60 of 171

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