Welcome to the Industrial Technology Institute (ITI)

 

The pioneer Scientific Research & Development organization in Sri Lanka. We are the successor to Ceylon Institute of Scientific and Industrial Research (CISIR) and comes under the purview of the Ministry of Industries  and is accredited as per ISO 17025:2017 and conforms to ISO 9001:2015 Quality Management Standards.

 

Performance 2010-2022               
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karunadasa                                     

 

 

 

 

 

 

 

 

MR. KOHOBHANGE S.P. KARUNADASA

Research Scientist


Materials Technology Section

Qualifications

B.Sc. (Hons) - Chemistry special) (University of Peradeniya ), Ph.D. (Reading), M.I. Chem. C

Contacts

Tel:    +94-011-2379849,  076-7107981                Email:      This email address is being protected from spambots. You need JavaScript enabled to view it.

Research Experience

More than 10 years research experience in the area of materials science.

Interest Areas      

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

Publications

 

 

 

Publications

  1. Kohobhange S. P. Karunadasa, C.H. Manoratne 2022. Microstructural view of anatase to rutile phase transformation examined by in-situ high-temperature X-ray powder diffraction, Journal of Solid State Chemistry. 314: 123377.
  2. D. T. Rathnayake, Kohobhange S. P. Karunadasa, A.S.K Wijekoon, C.H. Manoratne, R.M.G. Rajapakse. 2022. Low-cost ternary composite of graphite, kaolinite and cement as a potential working electrode for general electrochemical applications. Chem. Pap. https://doi.org/10.1007/s11696-022-02314-w
  3. 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)
  4. 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.
  5. 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. 
  6. 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.
  7. 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.
  8. 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.
  9. 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)

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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)

  1. Karunadasa, K.S.P., Manoratne, C.H. Pitawala, H.M.T.G.A., Rajapakse, R.M.G. (2019). Property enhancement of calcium chloride by synthesizing stable ternary eutectic electrolyte for molten salt electrochemical applications, Biennial Symposium of ITI, ITI, Colombo 7, Sri Lanka, 17-18 December. pp. 28  
  2. D.T. Rathnayake, K.S.P. Karunadasa, C.H. Manoratne, (2021). A competitive composite electrode consisting of graphite and clay for electroanalytical applications, 5th Biennial Symposium of ITI, ITI, Colombo 7, Sri Lanka. Symposium of ITI, Colombo, Sri Lanka, 11-12 November.electrode consisting of graphite and clay for electroanalytical applications, 5th Biennial Symposium of ITI, Colombo, Sri Lanka, 11-12 November.

Patents

  1. 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
  2. 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
  3. K.S.P. Karunadasa, C. H. Manoratne, (Industrial Technology Institute), 2020. A stable composite electrode based on graphite and clay for high-temperature and general electrochemical applications, Sri Lanka Patent App. No. 20844.

Awards   memberships, Scholarships & Recognition

Awards

  1. Achievement Award for “In recognition of award winning Academic and scientific Excellence” (4th Biennial Research Symposium, 2019)
  2. Achievement Award for “Best Innovative Project 2021”, (5th Biennial Research Symposium, 2021)
  3. Achievement Award for “In recognition of award winning Academic and scientific Excellence” (5th Biennial Research Symposium, 2021)

 

Memberships

  • 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)
  • A stable composite based on titanium dioxide and clay as an effective photocatalyst for wastewater treatment (NRC 20-014)
  • A low-cost electrode modified by controlled synthesis of nanofiber network of homo/copolymer of aniline and pyrrole on graphite-clay composite substrate for supercapacitor applications (TG 21/193)

Last Updated on Tuesday, 23 August 2022 08:48

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