M.Phil, Solar Power Electronics, Brunel Univ., London, England, UK, 1997
B.Eng, Mechanical Engineering, Univ, of Leicester, England, UK, 1993
Asst. Professor, Mech. Eng. (Aug. 2013-Present) California State Univ, Fresno
Assoc. Lecturer, School of Eng. (Jan 2010-May 2013) Sheffield Hallam Univ., UK
Teaching Assistant, Dept of Eng. (1995-1997) Brunel Univ., London, England, UK
Project, IT, and Business Consultant (Nov. 2002-Nov. 2009) PL Force Ltd. Aberdeen,
Site Engineer (Jan. 1998-Nov. 2002) SCC Ltd., City, London, England, UK
RESEARCH AND COMMUNITY PROJECTS
Fabrication of low-cost thin film solar cells
Hybrid (PV/T) solar panels
Solar powered automated transportation network with The International Institute of
Sustainable Transportation and San Jose State University.
Advisor to Tiny House competition, Fresno State student team
Advisor to Sundogs Solar Energy Club
Minimization of energy and cost by utilizing solar energy (thermal and PV) solutions.
Energy literacy for poverty alleviation.
Designing and optimizing of solar power plants (thermal and PV).
Thermal and chemical recycling of crystalline PV panels.
Design of alternative energy systems, reduction of carbon foot print and life cycle
Heating, ventilation and air conditioning systems.
Solar powered agricultural and other applications.
Solar electric vehicles.
Selected Publications and Presentations
N.A. Abdul-Manaf, A.R. Weerasinghe, O.K. Echendu and I.M. Dharmadasa, "Electro-plating
and characterisation of Cadmium Sulphide thin films using Ammonium Thiosulphate as
the sulphur source," Journal of Materials Science: Materials in Electronics, January
2015, 26 (4), 2418-2429
O.K. Echendu, F. Fauzi, A.R. Weerasinghe, and I.M. Dharmadasa, "High short-circuit
current density CdTe solar cells using all-electrodeposited semiconductors," Thin
Solid Films, Volume 556, 1 April 2014, Pages 529–534
O.K. Echendu, A.R. Weerasinghe, D.G. Diso and I.M. Dharmadasa, "Characterization of
n-type and p-type ZnS thin layers grown by an electrochemical method," Journal of Electrochemical
Society, April 2013, Vol 42, Issue 4, pp 692-700
I.M. Dharmadasa, D.G. Diso and A.R. Weerasinghe, "Nano-rod nature of CdS window materials
used in thin film solar cells." J of Solar Energy Materials and Solar Cells (submitted
to Nano Letter, September 2012).
O.K. Echendu, A.R. Weerasinghe, D.G. Diso and I.M. Dharmadasa, "Electrodeposited ZnS
thin films in CdTe solar cells grown with ZnSO4 and (NH4)2S2O3 precursors." J of Electrochemical
Society (Submitted August 2012).
A.R. Weerasinghe and H. Shamony, Hybrid PVT Panel (URTD) design, Solar Power International,
conference proceedings, Las Vegas, October 2014
O.K. Echendu, A.R. Weerasinghe, D.G. Diso, F.Fauzi and I. M. Dharmadasa, Concentration
dependence of the electrical conductivity type of electrodeposited ZnS thin films,
CMMP 11 J. of Phys. Conference series. IOP, Dec 2011
A.R. Weerasinghe and I.M. Dharmadasa, Solar villages for sustainable development,
APSL research symposium, Sheffield, UK, Nov 2012
A.R. Weerasinghe, O.K. Echendu, D.G. Diso and I.M. Dharmadasa, "Study of electrodeposited
ZnS thin films grown with ZnSO4 and (NH4)2S2O3 precursors for use in solar cells,"
Solar Asia 2011 Proceedings, IFS. Kandy, Sri Lanka
D.G. Diso, F. Fauzi, O.K. Echendu, A.R. Weerasinghe and I.M. Dharmadasa, "Electrodeposition
and characterisation of ZnTe layers for application in CdTe based multi-layer graded
bandgap solar cells," Proc: CMMP 10 J. of Phys. Conference series. IOP
A.R. Weerasinghe, M.M El-Habrouk and M. Darwish, Panel-direct solar power applications
in the UK conditions, Power Electronics conference proceedings 1999, UAE