Dr. Ruchira N. Wijesena

Dr. Ruchira N. Wijesena

Course Modules

Semester 3: Colouration and Finishing Technology I

                            Project I

                            Woven Fabric Structures

Semester 4: Coloration and Finishing Technology II

                            Project II

                            Weaving Technology

Feilds of Spcializations

Chemistry of Biopolymers, Nanotechnology, Nanotechnology in textiles

Advanced characterization equipment

Research Publications

  • Wijesena, R. N., Tissera, N., Kannangara, Y. Y., Lin, Y., Amaratunga, G. A., & de Silva, K. N. (2015). A method for top down preparation of chitosan nanoparticles and nanofibers. Carbohydrate polymers, 117, 731-738.
  • Wijesena, R. N., Tissera, N. D., Perera, R., de Silva, K. N., & Amaratunga, G. A. (2015). Slightly carbomethylated cotton supported TiO2 nanoparticles as self-cleaning fabrics. Journal of Molecular Catalysis A: Chemical, 398, 107-114.
  • Wijesena, R. N., Tissera, N., Perera, R., & de Silva, K. N. (2014). Side selective surface modification of chitin nanofibers on anionically modified cotton fabrics. Carbohydrate polymers, 109, 56-63.
  • Wijesena, R. N., Tissera, N. D., & de Silva, K. N. (2015). Coloration of cotton fibers using nano chitosan. Carbohydrate polymers, 134, 182-189.
  • Wijesena, R.N., Tissera, N.D., Rathnayaka, V.W.S.G., de Silva, R.M. and de Silva, K.N., 2020. Colloidal stability of chitin nanofibers in aqueous systems: Effect of pH, ionic strength, temperature & concentration. Carbohydrate Polymers, p.116024.
  • Wijesena, R.N., Tissera, N.D., Rathnayaka, V.W.S.G., Rajapakse, H.D., de Silva, R.M. and de Silva, K.N., 2020. Shape-stabilization of polyethylene glycol phase change materials with chitin nanofibers for applications in “smart” windows. Carbohydrate polymers, 237, p.116132.
  • Wijesena, R.N., Tissera, N.D., Abeyratne, C., Bangamuwa, O.M., Ludowyke, N., Dahanayake, D., Gunasekara, S., de Silva, N., de Silva, R.M. and de Silva, K.N., 2017. In-situ formation of supramolecular aggregates between chitin nanofibers and silver nanoparticles. Carbohydrate polymers, 173, pp.295-304.
  • Tissera, N. D., Wijesena, R. N., Sandaruwan, C. S., de Silva, R. M., de Alwis, A., & de Silva, K. N. (2018). Photocatalytic activity of ZnO nanoparticle encapsulated poly (acrylonitrile) nanofibers. Materials Chemistry and Physics, 204, 195-206.
  • Tissera, N.D., Wijesena, R.N., Yasasri, H., de Silva, K.N. and de Silva, R.M., 2020. Fibrous keratin protein bio micro structure for efficient removal of hazardous dye waste from water: Surface charge mediated interfaces for multiple adsorption desorption cycles. Materials Chemistry and Physics, p.122790.
  • Tissera, N. D., Wijesena, R. N., Perera, J. R., de Silva, K. N., & Amaratunge, G. A. (2015). Hydrophobic cotton textile surfaces using an amphiphilic graphene oxide (GO) coating. Applied Surface Science, 324, 455-463.
  • Tissera, Nadeeka D., Ruchira N. Wijesena, and KM Nalin de Silva. "Ultrasound energy to accelerate dye uptake and dye–fiber interaction of reactive dye on knitted cotton fabric at low temperatures." Ultrasonics sonochemistry 29 (2016): 270-278.
  • Tissera, N. D., Wijesena, R. N., Rathnayake, S., de Silva, R. M., & de Silva, K. N. (2018). Heterogeneous in situ polymerization of polyaniline (PANI) nanofibers on cotton textiles: improved electrical conductivity, electrical switching, and tuning properties. Carbohydrate polymers, 186, 35-44.
  • Kannangara, Y.Y., Wijesena, R., Rajapakse, R.M.G. and de Silva, K.N., 2018. Heterogeneous photocatalytic degradation of toluene in static environment employing thin films of nitrogen-doped nano-titanium dioxide. International Nano Letters, 8(1), pp.31-39.
  • Kumarasinghe, A.R., George, S., Wijesena, R.N., Jayasundara, D., de Silva, K.M. and Amaratunga, G.A.J., 2014. Graphene-based membranes fabricated using high purity natural vein graphite (NVG). International Journal of Scientific Engineering and Technology, 3(11), pp.1375-1379.
  • Abeywardena, S.B., Perera, S., Tissera, N.P., Wijesena, R.N., de Silva, K.N., Walpalage, S. and Somaratne, M.C.W., 2018. Localization of Conductivity towards Scalable and Sustainable Wearable Electronics. American Journal of Nanoscience and Nanotechnology Research, 6(1), pp.36-45.
  • Pahalagedara, L. R., Siriwardane, I. W., Tissera, N. D., Wijesena, R. N., & de Silva, K. N. (2017). Carbon black functionalized stretchable conductive fabrics for wearable heating applications. RSC Advances, 7(31), 19174-19180.
  • Wijenayaka, L.A., Wijesena, R.N., Tissera, N.D., Nisansala Bandara, W.R.L., Amaratunga, G.J. and Nalin De Silva, K.M., 2021. Infrared absorbing nanoparticle impregnated self-heating fabrics for significantly improved moisture management under ambient conditions. Royal Society open science, 8(5), p.202222.

Qualifications

BSc.Eng(Hons) University of Moratuwa

PhD, University of Colombo

Special Awards

President’s Award for Scientific Publications (2014)

President’s Award for Scientific Publications (2015)

President’s Award for Scientific Publications (2016)

NRC Merit Award for Scientific Research (2017)

NRC Merit Award for Scientific Research (2018)