karunadasa                                         

 

 

 

 

 

 

 

 

 

Mr. Kohobahage S.P. Karunadasa

Research Scientist
Materials Technology Section

 

Qualifications

BSc (Hons) - Chemistry (University of Peradeniya ), M.I. Chem. C

Contacts

Tel:    +94-011-2379849    Email:      This email address is being protected from spambots. You need JavaScript enabled to view it.

Research Experience

More than 8 years research experience in the area of materials science

Interest Areas      

Materials Chemistry, Mineral processing, Electrochemistry, X-ray diffraction, Nanotechnology, Photocatalyst

Publications

 

 

 

Publications

  1. Kohobhange S. P. Karunadasa, C.H. Manoratne, H.M.T.G.A. Pitawala, R.M.G. Rajapakse 2021. A binder-free composite of graphite and kaolinite as a stable working electrode for general electrochemical applications. Electrochem Sci Adv. 2021;e5100003 (doi.org/10.1002/elsa.202100003
  2. Kohobhange S. P. Karunadasa, C.H. Manoratne, H.M.T.G.A. Pitawala, R.M.G. Rajapakse 2019. A potential working electrode based on graphite and montmorillonite for electrochemical applications in both aqueous and molten salt electrolytes. Electrochemistry Communications. 108: 106562.
  3. Kohobhange S.P. Karunadasa, C.H. Manoratne, H.M.T.G.A. Pitawala and R.M.G. Rajapakse 2019. Thermal decomposition of calcium carbonate (calcite polymorph) as examined by in-situ high-temperature X-ray powder diffraction. J. Phys. Chem. Solids. 134: 21-28.
  4. S.P.K. Kohobhange, C.H. Manoratne, H.M.T.G.A. Pitawala and R.M.G. Rajapakse 2018. The effect of prolonged milling time on comminution of quartz. Powder Technol. 330: 266-274.
  5. Kohobhange S.P. Karunadasa, C.H. Manoratne, H.M.T.G.A. Pitawala and R.M.G. Rajapakse 2018. The composition, unit cell parameters and microstructure of quartz during phase transformation from α to β as examined by in-situ high-temperature X-ray powder diffraction. J. Phys. Chem. Solids. 117: 131-138. 
  6. Kohobhange S.P. Karunadasa, C.H. Manoratne, H.M.T.G.A. Pitawala and R.M.G. Rajapakse 2018. Relative stability of hydrated/anhydrous products of calcium chloride during complete dehydration as examined by high-temperature X-ray powder diffraction. J. Phys. Chem. Solids. 120: 167-172.
  7. I.R.M. Kottegoda, H.C.D.P. Colombage, K.S.P. Karunadasa, D.S. Samarawickrama, C.H. Manorathne 2013. An efficient Reactor for Purification of Domestic Water Using Solar Energy, International Journal of Energy Engineering. 3 (3): 93-98

 

COMMUNICATIONS (International)

  • Rathnayake, D.T., Tharangani, L.W.N., Karunadasa, K.S.P., Manoratne, C.H. (2019). Mechanically compressed graphite-clay composite electrode for high-temperature applications, International Research conference Uva Wellassa University (IRCUWU), Badulla, Sri Lanka, 7-9 February. pp. 456
  • Tharangani, L.W.N., Rathnayake, D.T., Tharangani, L.W.N., Karunadasa, K.S.P., Manoratne, C.H. (2019). The incorporation of layered type clay in graphite-clay based   electrodes as a property enhancement for high-temperature applications, International Research conference Uva Wellassa University (IRCUWU), Badulla, Sri Lanka, 7-9 February. pp. 445
  • Mahanama, M.G.G.C., Karunadasa, K.S.P., Manoratne, C.H. (2018). A composite electrode for high-temperature application as a value addition to local graphite and kaolinite, Wayamba University International Conference (Win C). Kuliyapitiya, Sri Lanka, 24-25 August. pp. 16
  • Karunadasa, K.S.P., Manoratne, C.H., Pitawala, H.M.T.G.A., Rajapakse, R.M.G. (2018). Dehydration of calcium chloride as examined by high-temperature X-ray powder diffraction. Asia-Pacific Conference on Multidisciplinary Research, 3, Colombo, Sri Lanka, 06-07 July. pp. 18
  • Karunadasa, K.S.P., Manoratne, C.H., Pitawala, H.M.T.G.A., Rajapakse, R.M.G. (2017). The phase transformation of quartz from α to β as examined by in-situ high temperature X-ray diffraction, Asia-Pacific Conference on Multidisciplinary Research, 2, Colombo, Sri Lanka. pp. 49

COMMUNICATIONS (Local)

  • Karunadasa, K.S.P., Manoratne, C.H. Pitawala, H.M.T.G.A., Rakapakse, R.M.G. (2019). Property enhancement of calcium chloride by synthesizing stable ternary eutectic electrolyte for molten salt electrochemical applications, Biannial Symposium of ITI, ITI, Colombo 7, Sri Lanka, 17-18 December. pp. 28  

Patents

  • K.S.P. Karunadasa, H.D.D.P. Gunasekara H.A.M.I.T. Hettiarachchi, W.R.L. Wijesekara, I.R.M. Kottegoda (Industrial Technology Institute) 2018. Fabrication of photo-catalytic continuous flow reactor using plastic pipes for decontamination of organic waste. Sri Lanka Patent. 18851
  • I.R.M. Kottegoda, K.S.P. Karunadasa, H.A.M.I.T. Hettiarachchi, H.D.D.P. Gunasekara (Industrial Technology Institute) 2013. Immobilization of TiO2 on a substrate using polymer/binder/adhesive for photo-catalytic air/water purification system, Sri Lanka Patent. 17486

Awards   memberships, Scholarships & Recognition

  • Member Institute of Chemistry Ceylon
  • Life time member of Alumni Association of University of Peradeniya

Major Projects Undertaken

  • Conversion of readily available Sri Lankan natural quartz to solar grade silicon for applications in electronic industries (TG 16/127)
  • Fabrication of low cost graphite-based composite electrode for electrochemical applications at high-temperature as a value addition to local minerals (TG 19/181
  • A stable composite based on titanium dioxide and clay as an effective photocatalyst for wastewater treatment (NRC 20-014)

  Phone : +94-11-2379800

  Fax :     +94-11-2379850                              

  Email :   This email address is being protected from spambots. You need JavaScript enabled to view it.

Connect with ITI using social media      

 ITI Web Mail                         1919