Senior Lecturer
B.Sc.(Honors) (USJP), M.Sc.(KU), Ph.D.(KU)
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Biosketch:
B.Sc. Special Degree (Chemistry) (Honours)– University of Sri Jayewardenapura, Sri Lanka,
2014
M.Sc. (Applied Chemistry) – Kyushu University, Japan, 2017
Ph.D. (Applied Chemistry) – Kyushu University, Japan, 2020
Divisions:
Physical Chemistry
Research interest:
Fabrication of highly efficient polymer electrolyte membrane fuel cell catalyst layers using
plant-based polymers
Design of cost-effective and highly efficient polymer electrolyte membrane fuel cell catalyst
layers using polymer-wrapped carbon materials.
Selected publications:
Nishshanka, B., Kumarasinghe, I., Shepherd, C., Paranirubasingam, P., Mohotti, D.,
Jayawickrama, S. M., Ariyarathna, R., Post-blast histological changes to three animal bones
exposed to close-range chemical detonation, International Journal of Legal Medicine, 2024,
https://doi.org/10.1007/s00414-024-03270-8.
Nishshanka, B., Shepherd, C., Ariyarathna, R., Jayawickrama, S. M., The effects of a range of
projectiles on bullet ricochet evidence from 1 mm sheet metal, Science & Justice, 63, 2023,
651. https://doi.org/10.1016/j.scijus.2023.08.003
Wu, D., Kayo, N., Jayawickrama, S. M., Phua, Y. K., Tanaka, N., Fujigaya, T., Effect of alcohol
content on the ionomer adsorption of polymer electrolyte membrane fuel cell catalysts,
International Journal of Hydrogen Energy, 48(15), 2023, 5915.
https://doi.org/10.1016/j.ijhydene.2022.11.116
Nishshanka, B., Shepherd, C., Jayawickrama, S. M., Ariyarathna, R. Ricochet of 9 mm pistol
bullets on glazed ceramic tiles: An empirical study in support of shooting incident
reconstruction, Journal of Forensic Science, 68, 2023, 101.
https://doi.org/10.1111/1556-4029.15180
Phua, Y. K., Weerathunga, D. T. D., Wu, D., Kim, C., Jayawickrama, S. M., Tanaka, N.,
Fujigaya, T., Effect of carbon nanotube-based catalyst layer surface roughness on polymer
electrolyte membrane fuel cell performance, Sustainable Energy & Fuels, 6(20), 2022,4636.
https://doi.org/10.1039/D2SE00857B
Wu, D., Jayawickrama, S. M., Fujigaya, T., Effect of polymer-coating on acetylene black for
the durability of polymer electrolyte membrane fuel cell, Journal of Power Sources, 549,
2022, 232079. https://doi.org/10.1016/j.jpowsour.2022.232079
Yoshihara, R., Wu, D., Phua, Y. K., Nagashima, A., Choi, E., Jayawickrama, S. M., Fujigaya, T.,
Ionomer-free electrocatalyst using acid-grafted carbon black as a proton-conductive
support, Journal of Power Sources, 529, 2022, 231192.
https://doi.org/10.1016/j.jpowsour.2022.231192
Jayawickrama, S. M., Wu, D., Nakayama, R., Inoue, G., Fujigaya, T., Effect of
polybenzimidazole coating on carbon supports for ionomer content optimization in polymer
electrolyte membrane fuel cells, Journal of Power Sources, 496, 2021, 229855.
https://doi.org/10.1016/j.jpowsour.2021.229855
Jayawickrama, S. M., Fujigaya, T., Effect of polymer – coating on carbon blacks for Pt
utilization efficiency of polymer electrolyte membrane fuel cells, Journal of Power Sources,
482, 2021, 228932. https://doi.org/10.1016/j.jpowsour.2020.228932
Weerathunga, D. T. D., Jayawickrama, S. M., Phua, Y. K., Nobori, K., Fujigaya, T., Effect of
polytetrafluoroethylene particles in cathode catalyst layer based on carbon nanotube for
polymer electrolyte membrane fuel cells, Bulletin of the Chemical Society of Japan, 92,
2019, 2038. https://doi.org/10.1246/bcsj.20190208
Jayawickrama, S. M., Han, Z., Kido, S., Nakashima, N., Fujigaya, T., Enhanced platinum
utilization efficiency of polymer-coated carbon blacks as an electrocatalyst in polymer
electrolyte membrane fuel cells, Electrochemical Acta, 312, 2019, 349.
https://doi.org/10.1016/j.electacta.2019.05.007
Awards:
Outstanding Graduate Researcher Award in Chemistry from the Department of Chemistry at Clemson University, USA (2019)
Professional Enrichment Grants (PEGs) from the Chemistry Graduate Student Organization at Clemson University, USA (2017 & 2019)
Award for Best Performance in Organic Chemistry from the Department of Chemistry at University of Sri Jayewardenepura, Sri Lanka (2014)
L.A.C.Alles Memorial Award from the Department of Chemistry at University of Sri Jayewardenepura, Sri Lanka (2014)
Affiliations:
Secretary, Chemistry Alumni Association, University of Sri Jayewardenepura, Sri Lanka
Member of Japan Electrochemical Society
Research staff member of World Premier International Research Center- International
Institute for Carbon-Neutral Energy Research at Kyushu University, Japan.
Contact information
Telephone number: 0704 149 944
Web: Google Scholar/Samindi Madhubha Jayawickrama
Email: samindimj@sjp.ac.lk
Room: 2L035