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Browsing AMCEHA 2019 by Issue Date

Browsing AMCEHA 2019 by Issue Date

Now showing items 1-20 of 136

Carbohydrate Lyotropic Liquid Crystals Materials as Stabilizer and Permeation Enhancer for Microemulsion Based Drug Delivery System

Premarathne, E. P. N.; Karunaratne, D. N.; Perera, A. D. L. C. (University of Jaffna, 2019)

Lyotropic liquid crystals (LC) having amphiphilic properties are promising materials as co-surfactants in emulsion formulations. A carbohydrate lyotropic liquid crystal, hexadecyl-β-D-glucopyranoside, was synthesized by ...
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 ...
Water Adsorption Properties of Titanium(IV) Oxide Embedded in Multiwalled Carbon Nanotubes (CNT)

Fernando, H. A. L.; Raveendran, P.; Christy, Alfred A.; Dhayalan, V. (University of Jaffna, 2019)

Titanium(IV) oxide was embedded into carbon nanotubes through sonication. The water adsorption properties of the carbon nanotubes, titanium(IV) oxide and the titanium(IV) oxide embedded carbon nanotubes have been studied ...
Plasmonic Effect on Photocurrent in PbS/CdS Quantum Dot-Sensitized Solar Cells with TiO2 Nanofiber/Nanoparticle Photoanode

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

Semiconductor quantum dots have gained more attention due to their unique optoelectronic properties applicable in many important research fields such as fabrication of light emitting devices, photon detecting devices, ...
Corrosion Resistance of Zinc Incorporated and Magnesium Incorporated Hydroxyapatite Coating on Surgical Grade Titanium Alloy

Gayathri, B.; Muthukumarasamy, N.; Santhosh, S.B.; Subramaniam, E. P.; Thanpackiam, P.; Thilagan, J.; Velauthapilla, D (University of Jaffna, 2019)

The present study is about the corrosion resistance behaviour of zinc incorporated and magnesium incorporated hydroxyapatite coated titanium alloy. Zinc incorporated and magnesium incorporated hydroxyapatite coatings were ...
Electrochemical Double Layer Capacitor based on Commercial Graphite and Gel Polymer Electrolyte

De Silva, M. M.; Vidanapathirana, K. P.; Perera, K. S. (University of Jaffna, 2019)

Today, technology has made our life styles luxurious and as a result, many appliances such as mobile phones, laptops and computers are in full use. They all need un-interrupted power that has created a high demand for ...
Palladium Nanoparticles - Poly(3,4-Ethylenedioxythiophene)-Carbon Nanotube Composite as Oxygen Reduction Catalyst for Direct Methanol Fuel Cells

Senarathna, K. G. C.; Rajapakse, R. M. G. (University of Jaffna, 2019)

Palladium, multi walled carbon nanotube (CNT) and poly(3,4-ethylenedioxythiophene) (PEDOT) composite, (Pd/CNT/PEDOT), is prepared as an electrocatalyst towards Oxygen Reduction Reaction (ORR). This composite is characterized ...
Polarization-Controlled Interface Charges for Generation of Open-Circuit Voltage Higher Than the Band Gap Towards “Polarization Photovoltaics” Solar Cell

Venkatachalapathy, Vishnukanthan; Vines, Lasse; Kuznesov, Andrej (University of Jaffna, 2019)

Recently, solar cells have gained significant interest due to renewed attention to sustainability. The energy harvesting effectiveness of a solar cell centres are critically influenced by surface and interface properties ...
Synergistic Effect of Hybrid WS2 Quantum Dots/Co-Fe Nanocubes, WS2 Nanorods/Co-Fe Nanocubes: Towards Pt-Free Counter Electrode for Dye Sensitized Solar Cells

Akshaya, S. R.; Venkatachalam, T.; Sandhiya, C.; Muthukumarasamy, N.; Velauthapillai, Dhayalan (University of Jaffna, 2019)

WS2 (Transition-metal dichalcogenide) are known for their novel electro catalytic properties and have analogous structure with graphene. It is noted that catalytic performance of WS2 can be further increased by doping ...
Polarization-Controlled Interface Charges for Generation of Open-Circuit Voltage Higher than the Band Gap Towards “Polarization Photovoltaic” Solar Cell

Venkatachalapathy, V.; Vines, L.; Kuznesov, A. (University of Jaffna, 2019)

Recently, solar cells have gained significant interest due to renewed attention to sustainability. The energy harvesting effectiveness of a solar cell centres are critically influenced by surface and interface properties ...
Ag Decorated TiO2 Nanoparticles Synthesized by Rapid Photo Deposition Technique as Electron Transport Layer (ETL) for Dye-Sensitized and Perovskite Solar Cells

Ramakrishnan, V. M.; Muthukumarasamy, N.; Agilan, S.; Ravirajan, P.; Velauthapillai, Velauthapillai (University of Jaffna, 2019)

Electron transport layer is one of the important part in the dye-sensitized and perovskite solar cells which is responsible for the transport of photo-generated electrons to the outer circuit. Thus, selection of appropriate ...
Toxicity of CuO, ZnO, TiO2 and MWCNT Nanoparticles on Human Pathogenic Bacteria

Kavitha, V.; Ragavendran, V.; Suresh, P.; Shanmughaiah, V.; Mayandi, J.; Mahalingam, P.; Sethupathi, N. (2019)

Toxicities of CuO, ZnO, TiO2 and MWCNT nanoparticles towards human pathogenic bacteria Bacillus cereus (Gram - negative) and Salmonella typhi (Gram - positive) were determined using serial dilution method on Luria Bertani ...
Characterization Techniques in the Field of the Solar Energy Storage Device

Jayaweera, V.; Kaneko, S.; Murakami, K. (University of Jaffna, 2019)

Energy storage devices, such as batteries and supercapacitors play important role in both solar and wind energy applications. Amount of electrical energy produced by the solar cell directly depends on the incident amount ...
Direct Absorption Solar Collectors with Magnetic Nanofluid

Balakin, B. V.; Struchalin, P. G.; Kutsenko, K. V. (University of Jaffna, 2019)

Direct absorption collectors (DASC) with nanofluids demonstrate superior thermal performance relative to conventional flat plate collectors. The volumetric absorption of heat by both the nanoparticles and the liquid in ...
Preparation, Synthesis and Characterization of Zeolite Faujasite for CO2 Adsorption

Madhu, Jayaprakash; Palanichamy, Pavithrakumar; Santhanam, Agilan; Natrajan, Muthukumarasamy; Velauthapillai, Dhayalan (University of Jaffna, 2019)

Zeolites materials are mainly used as an adsorbent and also for the ion exchange and heterogeneous catalyst respectively. Though Zeolites are occurring in nature, some impurities were present inside it, therefore synthetic ...
Synthesis of Visible Light Active CuFe2O4/g-C3N4 Photocatalyst for Water Splitting

Maruthamani, D.; Vadivel, S.; Kumaravel, M. (University of Jaffna, 2019)

A facile g-C3N4 supported CuFe2O4 composite photocatalyst has been prepared by a simplistic onepot calcination approach using urea and a CuFe2O4 gel as precursors. The compounds obtained were analysed with Raman Spectroscopy, ...
Bio-based Carbon Hole Transporting Material Obtained from the Extract of Invasive Species of Aagaya Thamarai Plant (Eichhornia crassipes) for Cost- Effective Carbon Based Perovskite Solar Cells

Pitchaiya, S.; Natarajan, M.; Santhanam, A.; Asokan, V.; Ramakrishnan, V. M.; Palanichamy, P.; Rangasamy, B.; Sundaram, S.; Uthayaraj, S.; Velauthapillai, Dhayalan (University of Jaffna, 2019)

Herein, we report a novel and naturally extracted carbon based hole transporting material (HTM) for perovskite solar cells (PSCs) synthesized using an eco-friendly and cost-effective ancient Indian method. Also in this ...
A Study on CdCl2 Activation of CBD-CdS Thin Films

Kumarage, W.G.C.; Kumarasinghe, R.K.K.G.R.G; Wijesundera, R.P.; Jayalath, C.P.; Kaur, N.; Comin, E.; Dassanayake, B.S. (University of Jaffna, 2019)

“CdCl2 treatment” on CdTe absorber is known to be a key step for a drastic improvement of the CdS / CdTe solar cell conversion efficiency. However, CdCl2 treatment on the CdS window layer has not extensively studied in the ...
Application and Characterization of Blueberry Fruit Pigment as the Photosensitizer for High Performance and Stable Natural Dye Sensitized Solid Solar Cells

Malikaramge, A.; Nagarajan, P.; Rjapakse, G; Kumara, A.; Velauthapillai, Dhayalan; Ravirajan, P. (University of Jaffna, 2019)

The natural dye pigment of blueberry was extracted from its peals using our own acetonitrile assisted method and used in a liquid electrolyte free natural dye sensitized solid solar cell (NDSSSC) which exhibited he highest ...
Synthesis and Characterization of Silver deposited Iridium doped Titanium Dioxide Nanocomposites and their Applications in Photon Upconversion

Malikaramge, A.; Rajapakshe, D.; Rajapakse, G.; Kumara, A.; Velauthapillai, Dhayalan; Ravirajan, P. (University of Jaffna, 2019)

Photon Up Conversion (PUC) is a physical optical phenomenon in which several low energy photons are added to get one high energy photon. This can be used to convert infrared (IR) photons into visible or ultraviolet photons. ...

Now showing items 1-20 of 136

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