Physics: Recent submissions

Now showing items 41-60 of 247

n-type electrical conductivity in cuprous oxide thin films

Siripala, W.; Kumara, K.P. (Natural Resources, Energy and Science Authority of Sri Lanka, 1988)

Electrodeposited cuprous oxide thin films were investigated to determine whether their electrical conductivity is n-type or p-type. The experimental results based on the measurements of thermoelectric e.m.f, sheet resistance, ...
Electrodeposited chlorine doped cuprous oxide thin films for gas sensing applications

Bandara, K.N.D.; Jayathileka, K.M.D.C.; Dissanayake, D.P.; Siripala, W.; Jayanetti, J.K.D.S. (Sri Lanka Association for the Advancement of Science, 2013)
Enhancement of the photovoltaic conversion efficiency of electrodeposited p-n homojunction cuprous oxide solar cells by surface passivation

Jayathileka, K.M.D.C.; Kapaklis, V.; Siripala, W.; Jayanetti, J.K.D.S. (Sri Lanka Association for the Advancement of Science, 2013)
Fabrication and characterization of electrodeposited CuO/Cu2O heterojunction solar cells

Jayathileka, K.M.D.C.; Kapaklis, V.; Siripala, W.; Jayanetti, J.K.D.S. (Sri Lanka Association for the Advancement of Science, 2013)
Growth of (Cu2O)1-x (Cu2O)x thin films for PV applications

Kalubowila, K.D.R.N.; Wijesundera, R.P.; Siripala, W. (Sri Lanka Association for the Advancement of Science, 2013)
Improved n-type photoconductive Cu2O thin films

Gunawardhana, L.K.A.D.D.S.; Wijesundera, R.P.; Siripala, W. (Sri Lanka Association for the Advancement of Science, 2013)
The effect on the surface tension of brilliant white paint coatings by chemical and detergent additives

Mendis, D.R.A.; Samaranayake, W.J.M. (Sri Lanka Association for the Advancement of Science, 2012)
Photocurrent enhancement of electrodeposited Cl doped cuprous oxide thin films on Ti substrates by annealing

Jayathileka, K.M.D.C.; Kapaklis, V.; Siripala, W.; Jayanetti, J.K.D.S. (Sri Lanka Association for the Advancement of Science, 2012)
Electrodeposited nano-crystalline cuprous oxide thin films for gas sensing applications

Bandara, K.N.D.; Jayathileka, K.M.D.C.; Siripala, W.; Dissanayake, D.P.; Jayanetti, J.K.D.S. (Sri Lanka Association for the Advancement of Science, 2012)
Study of double junction effect on the quantum efficiency of optical devices

Hansameenu, W.P.T.; Siripala, W.P. (Sri Lanka Association for the Advancement of Science, 2009)
Plantain Pith Battery Powered Lighting System

Kumara, K.S.J.; Wijesundera, R.P.; Jayasuriya, K.D. (Institute of Physics, Sri Lanka, 2015)
Electrodeposited CuO/Cu2O heterojunction for PV applications

Kalubowila, K.D.R.N.; Wijesundera, R.P.; Siripala, W. (Institute of Physics, Sri Lanka, 2015)

Anodic electrodeposition was carried out to grow CuO thin films on Ti substrate at a deposition potential of 700 mV vs. SCE in an aqueous solution containing 0.4 M CuSO4 and 3.0 M lactic acid. CuO thin films were annealed ...
Characterisation of CuInS2 thin film prepared by electrodeposition and sulphurisation with photoluminescence spectroscopy

Garuthara, R.; Wijesundera, R.P.; Siripala, W. (Solar Energy Materials and Solar Cells, 2003)

Potentiostatic electrodeposition and sulfurization techniques were used to prepare polycrystalline CuInS2 thin films. X-ray diffraction and photoresponse measurements in a photoelectrochemical cell (PEC) revealed that ...
Cu2O homojunction solar cell

Gunawardena, L.K.A.D.D.S.; Wijesundera, R.P.; Siripala, W. (HETC Symposium, 2014)
Effects of NH3 concentration and annealing temperature on CBD CdS thin films

Kumarage, W.G.C.; Wijesundera, R.P.; Seneviratne, V.A.; Jayalath, C.P.; Dassanayake, B.S. (Postgraduate Institute of Science Research Congress, Sri Lanka, 2014)
ITO/n-Cu2O/p-CuxS Thin Film Solar Cell

Perera, L.D.R.D.; Wijesundera, R.P.; Siripala, W.; Jayasuriya, K.D.; de Silva, K.T.L.; Jayanetti, J.K.D.S. (Sri Lanka Association for the Advancement of Science, 1997)
Remotely Controllable Regulator for Line-Loads

Gunawardana, K.D.B.H.; Kalingamudali, S.R.D. (Tech. Sess. Inst. Phys., Sri Lanka, 2014)
Ozone Production by Pulsed power in Dry Air

Samaranayake W J M; Miyahara Y; Namihira T; Katsuki S (12th IEEE International Pulsed Power Conference, 1999)
Characteristics of Ozone Production by Pulsed Power

Samaranayake, W.J.M.; Miyahara, Y.; Katsuki, S.; Lisitsyn I; Hackam, R.; Akiyama, H. (12th IEEE International Pulsed Power Conference, 1999)
Theta nulls of cyclic curves of small genus

Previato E; Shaska T; Wijesiri G S (Albanian J. Math., 2007)

We study relations among the classical thetanulls of cyclic curves, namely curves X (of genus g(X)>1) with an automorphism ? such that ? generates a normal subgroup of the group G of automorphisms, and g(X???? )=0 .0. ...

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