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Dr. HNM Sarangika

Senior Lecturer

Applied Sciences

Email : sarangikah@appsc.sab.ac.lk

    Qualifications

  • Ph.D., University of Peradeniya.

    B.Sc., (Honors) Special Degree in Physics, University of Ruhuna

    Membership of Professional Bodies/Associations

  • 1. Member- Sri Lanka Association for the Advancement of Science (SLAAS)

    2. Member- National Science Foundation

    3. Member-Institute of Physics Sri Lanka (IPSL)

    Current Research Projects

  • 1. Modulation of Scheelite InVO4, CaWO4 semiconductor – employing carbon-supported materials (graphene, g-C3N4, C-dots) as electron flow mediators and          electrocatalysts for photoelectrochemical H2-O2 production direct splitting of water.

    Recent Publications

  •  

    Journal Publications

     

    1. Application of a nanostructured, tri-layer TiO2 photoanode for efficiency enhancement in a quasi-solid electrolyte based dye-sensitized solar cells. M.A.K.L. Dissanayake, H.N.M. Sarangika, G.K.R. Senadeera, H.K.D.W.M.N. R. Divarathna, and E.M.P.C. Ekanayake, Journal of Applied Electrochemistry, 47 (11), 1239-1249, 2017.
    2. Polyethylene oxide and ionic liquid-based solid polymer electrolyte for rechargeable Magnesium batteries., Sarangika H.N.M. , Dissanayake M.A.K.L., Senadeera G.K.R., Rathnayake R.R.D.V., Pitawala H.M.J.C, Thotawattage C.A., Ionics 23 (10), 2829-2835, 2016, https://doi.org/10.1007/s11581-016-1870-3
    3. TiO2 as a low cost, multi-functional material, MAKL Diasanayake, GKR Senadeera, HNM Sarangika, PMPC Ekanayake, CA Thotawattage, HKDWMNR Divarathne, JMKW Kumari, Materials Today: Proceedings 3, S40-S47, https://doi.org/10.1016/j.matpr.2016.01.006
    4. Low cost quasi solid-state electrochromic devices based on F-doped tin oxide and TiO2, H.N.M. Sarangika, M.A.K.L.Dissanayake, G.K.R.Senadeera, W.G.M.D. Karunarathne, Materials Today: Proceedings, https://doi.org/10.1016/j.matpr.2019.07.585
    5. Efficiency enhancement in dye-sensitized solar cells irrespective of the electrolyte medium by nanostructured tri-layer TiO2 photoanode, H.N.M. Sarangika, M.A.K.L.Dissanayake, G.K.R.Senadeera, IONICS, https://doi.org/10.1007/s11581-020-03620-7

    6. Polymer‑free gel electrolyte and its application in TiO2‑based electrochromic devices, devices, H. M. B. I. Gunathilaka, V. A. Seneviratne, H. N. M. Sarangika, Journal of Applied Electrochemistry (2023) 53:2185–2196, https://doi.org/10.1007/s10800-023-01912-0

    7. Effect of TiO2 nanofillers on ionic conductivity enhancement Mg (BH4)2:polyethylene oxide (PEO) polymer gel electrolyte, HNM Sarangika, HTG Shashintha, M Dissanayake, GKR Senadeera, Journal of Solid State Electrochemistry (2023), https://doi.org/10.1007/s10008-023-05748-8

    8. Preparation of Electrospun Polyacrylonıtrile (PAN) Nanofıber Membrane Gel Electrolyte and Its Application in TiO2-Based Electrochromic Devices, H.N.M. Sarangika, G.K.R. Senadeera, M.A.K.L. Dissanayake, Ionics (2024), DOI : 10.1007/s11581-024-05373-z. 

     

    Conference Proceedings- Published as a full paper

     

    1. Novel quasi Solid-State Electrochromic Smart windows Based on TiO2 and SnO2 Electrode with PMMA gel electrolyte., H.N.M. Sarangika, G.K.R. Senadeera, C.A.Thotawaththage, M.A.K.L.Dissanayake , Solar Asia 2013 International Conference, University of Malaya, Kuala Lumpur, Malaysia.
    2. Performances of TiO2 as cathode material in rechargeable Mg batteries with Polyethylene oxide-based gel electrolyte, H.N.M. Sarangika, W.A.R.B. Weerasekera, G.K.R. Senadeera, M.A.K.L.Dissanayake, K.V.L. Amarasinghe, H.K.D.W.M.N. R. Divaratne, V.A. Seneviratna, 14th Asian Conference on Solid State Ionics (ACSSI), Singapore, 24 – 27 June 2014.
    3. Effect of different current collectors in Mg battery with conventional PEO based gel polymer electrolyte, Sarangika H.N.M., Dissanayake M.A.K.L., Senadeera G.K.R., Sampath J.A.K., Perera T.T.M., Solar Asia 2018 Int. Conf., National Institute of Fundamental Studies, Kandy, Sri Lanka (4-6 January 2018)
    4. DEVELOPMENT OF LIQUID ELECTROLYTE AND THEIR APPLICATIONS IN ELECTROCHROMIC DEVICES, H. M. B. I. Gunathilaka, V.A.Seneviratne, H. N. M. Sarangika, 36th Technical Sessions, Institute of Physics, Sri Lanka (IPSL), 2020

    5. Application of Electrospun Polyacrylonıtrıle (PAN) Nanofıbre Membrane Gel Electrolyte In TiO 2 based Electrochromic Devices, H.N.M. SarangikaH. K. D. W. M. N. R. DivarathneLakshman DissanayakeG.K.R. Senadeera, 4th International Conference on Inventive Research in Material Science and Technology (ICIRMST 2023), 20-21, January 2023, in RVS Technical Campus, Coimbatore, India.

     

    Conference Proceedings- Published as an abstracts

    1. Characteristics of Nano and Micro crystal CuO2 thin films with solar cells.Fernando C.A.N., Sarangika H.N.M. , 3rd Science Symposium, University of Ruhuna (2005).
    2.  A preliminary study of Ozone column density over Sri Lanka using TOMs Satellite data., J.A.P. Bodhika, H.N.M. Sarangika , 3rd International Symposium, Sabaragamuwa University of Sri Lanka. (2010). 
    3. Comparison of Resistivity response of Vein Quartz in 1-D and 2-D Resistivity Techniques., S.M.N.Sethunga, H.N.M.Sarangika, Nalin De Silva, 14th annual research session, Faculty of Applied Sciences, Sabaragamuwa university of Sri Lanka, 2010.
    4. Use of carbon embedded TiO2 as cathode material in rechargeable Mg batteries with Polyethylene Oxide-based gel electrolyte, H.N.M. Sarangika, W.A.R.B. Weerasekera, G.K.R. Senadeera, M.A.K.L. Dissanayake, K.V.L. Amarasinghe, C. A. Thotawattage, V.A. Seneviratne, Peradeniya University International Research Sessions 2014.
    5. High performance dye-sensitized solar cells with PEO based gel polymer electrolyte using TiO2 nanofibers developed by electrospinning, H.N.M. Sarangika, G.K.R. Senadeera, H.K.D.W.M.N. R. Divaratne, P .M. P.C. Ekanayake, C.A. Thotawattage, M.A.K.L. Dissanayake, 14th Asian Conference on Solid State Ionics (ACSSI), Singapore, 24 – 27 June 2014
    6. Electrochromic smart windows based on Chitosan gel polymer electrolyte and Lithium salts, H.N.M.Sarangika, G.K.R. Senadeera, C. A. Thotawattage and M.A.K.L.Dissanayake, Postgraduate Institute of Science Congress 2014, University of Peradeniya.
    7.  SnO2 as a cathode material for solid-state magnesium batteries with polyethylene oxide-based gel polymer electrolyte. H.N.M. Sarangika, M.A.K.L. Dissanayake, G.K.R. Senadeera and C.A. Thotawattage,, Abstracts, Part II, Annual Research Sessions 2014, National Institute of Fundamental Studies, Kandy, Sri Lanka, p66. (7.1.2.4)
    8. Electrospun polyacrylonitrile (PAN) nanofibre membrane gel electrolyte for electrochromic devices, H.N.M. Sarangika, G.K.R. Senadeera, H.K.D.W.M.N. R. Divaratne, M.A.K.L. Dissanayake, International Conference on Material Science and Technology (ICMST), 13th- 17th October 2014 - Indonesia
    9. SnO2 as a cathode material for rechargeable Magnesium batteries, H.N.M. Sarangika, G.K.R. Senadeera, M.A.K.L. Dissanayake, K.V.L. Amarasinghe, C. A. Thotawattage, W.A.R.B. Weerasekera,V.A. Seneviratne, 2nd Ruhuna International Science and Technology Conference (RISTCON) 22nd-23rd January 2015
    10. Enhancement of Photoelectric Performance of Dye-Sensitized Solar Cells Made With Rice Grain-Shaped TiO2 Nanostructure, H.K.D.W.M.N.R.Divaratne, H.N.M.Sarangika, M.A.K.L. Dissanayake, G.K.R.Senadeera, P.M.P.C.Ekanayake, C.A. Thotawattage, 5th International Conference on Functional Materials & Devices 2015 (ICFMD - 2015) 4 – 6 August 2015, Johor Bahru, Malaysia.
    11. TiO2 as low cost, multi-functional material, M.A.K.L. Diasanayake, G.K.R. Senadeera , H.N.M. Sarangika, P.M.P.C. Ekanayake, C.A. Thotawattage, H.K.D.W.M.N.R. Divarathne, and J.M.K.W. Kumari, 5th International Conference on Functional Materials & Devices 2015 (ICFMD - 2015) 4 – 6 August 2015, Johor Bahru, Malaysia.
    12. Polyethylene oxide and ionic liquid-based solid polymer electrolyte for rechargeable Magnesium batteries., Sarangika H.N.M., Dissanayake M.A.K.L., Senadeera G.K.R., RathnayakeR.R.D.V., Pitawala H.M.J.C, Thotawattage C.A., 15th Asian Conference on Solid State Ionics (ACSSI), India, 27 – 30 November 2016
    13. Low cost, highly efficient TiO2 based Electrochromic device for architectural application, H.N.M.Sarangika , G.K.R. Senadeera, M.A.K.L.Dissanayake, W.G.M.D.Karunarathna and M.G.A.N. Perera, 4th Ruhuna International Science and Technology Conference (RISTCON) 26th January, 2017
    14. Electrolyte independent efficiency enhancement in dye-sensitized solar cells by composite TiO2 photoanode with the rice-grain shaped nanostructure.H.N.M. Sarangika, M.A.K.L. Dissanayake, G.K.R. Senadeera, M.A. Careem, A.K.Arof, 6th International Conference on Functional Materials & Devices 2017 (ICFMD - 2017) 15 – 18 August 2017, Malakka, Malaysia.
    15. Low cost quasi solid-state electrochromic devices based on F-doped tin oxide and TiO2., H.N.M. Sarangika, W.G.M.D.Karunarathna, M.A.K.L.Dissanayake, G.K.R. Senadeera, International Conference on Advanced Materials for Clean Energy and Health Applications (ICAMCEHA 2019), University of Jaffna.
    16. Synthetic dyes as photosensitizers for dye-sensitized solar cells: A Preliminary study., H.N.M. Sarangika, J.P.I.B.R. Ruveshana, M.A.K.L. Dissanayake, G.K.R. Senadeera, International Research Conference of Uwa Wellassa University (IRCUWU 2019).
    17. Development of liquid electrolyte and their applications in Electrochromic Devices., H. M. B. I. Gunathilaka, V. A.Seneviratne, H. N. M. Sarangika, 36th Technical Sessions, Institute of Physics, Sri Lanka (IPSL), 2020
    18. Gel polymer electrolytes based on fumed silica filler for magnesium batteries., H.T.G. Shashintha, H.N.M. Sarangika , V.P.S. Perera , M.A.K.L. Dissanayake , G.K.R. Senadeera , J.M.K.W. Kumari, National Conference on Multidiciplinary Research (NCMR-2020), 8th October 2020
    19. Development of Non Polymer Gel Electrolyte and Their Applications on Electrochromic Devices., H. M. B. I. Gunathilaka , V. A. Seneviratne, H. N. M. Sarangika, Peradeniya University International Research Sessions 2021, Sri Lanka, Vol. 23, 11th & 12th November 2021
    20. Development of PVP Based Electrolytes and Their Applications in Electrochromic Devices., H. M. B. I. Gunathilaka, V. A.Seneviratne, H. N. M. Sarangika, The 08th International Conference of Sabaragamuwa University of Sri Lanka ICSUSL 2021 01st – 03rd Dec. 2021 Belihuloya, Sri Lanka

    21. HYDROTHERMALY SYNTHESIZED NANOSTRUCTURED WO3 THIN FILMS FOR ELECTROCHROMIC DEVICES, E.G.O.D Egodawaththa, H.N.M. Sarangika, V.P.S. Perera. J.A.D.M Dharmathilake, G.M.L.P. Aponsu, Applied Science Undergraduate Research Symposium, Sabaragamuwa University of Sri Lanka, 2023

    22. Application of Electrospun Polyacrylonitrile (PAN)Nanofibre Membrane Gel Electrolyte in TiO2 Based Electrochromic Devices, H.N.M. Sarangika, G.K.R. Senadeera, M.A.K.L. Dissanayake, H.K.D.W.M.N.R. Divaratne, International Conference on Inventive Research in Material Science and Technology (ICIRMT), 20-21 January 2023, Coimbatore, India

    23. Enhancing Efficiency in Poly(Ethylene Oxide) Solid Polymer Electrolyte -based Dye-Sensitized Solar Cells: The Synergistic Effect
      of Plasticizers, Mixed Cations, and Nanofillers.
      M.A.K.L.Dissanayake , R.A.Jayarathna , G.K.R.Senadeera , J.M.K.W.Kumari , H.N.M. Sarangika, 18th Asian Conference on Solid State Ionics, Chennai, India

    24. WO3 Nanostructured Thin Films Prepared by In Situ Hydrothermal Method as a Low-cost, Multifunctional Material, H.N.M Sarangika, E.G.O.D Egodawaththa, H. M. B. I. Gunathilaka, M.A.K.L. Dissanayake, G.K.R. Senadeera Sangeeta Ghosh, Chinmoy Bhattacharya, 18th Asian Conference on Solid State Ionics, Chennai, India

    25. Hydrothermally Assisted Synthesis and Characterization of Nanostructured WO3 Thin Film for Photoelectrochemical (PEC) Applications, H.N.M Sarangika, E.G.O.D Egodawaththa, H. M. B. I. Gunathilaka, Sangeeta Ghosh, Chinmoy Bhattacharya, H.Y.R. Atapattu, G.M.L.P Aponsu, 18th Asian Conference on Solid State Ionics, Chennai, India

    Research Grants/Research Awards

  • 1. Overseas Special Training Programme (OSTP) allowance, National Science Foundation, Sri Lanka 2015

    2. Indo-Sri Lanka Joint Research Grant 2019

    3. India Science and Research Fellowship (ISRF) 2022

    Postgraduate Supervision

  • 1. Development of LiCl-based electrolytes and their applications in Electrochromic Devices (Completed 2017-2022), Postgraduate Institute of Science (PGIS), University of     Peradeniya

    2. Natural Dye-Sensitized Solar Cell Using Mahogany Bark Pigments as Sensitizer, (2022-up to now), Postgraduate Institute of Science (PGIS), University of Peradeniya

    Participation in Continuing Professional Development (CPD) Programmes/Extension Courses/Short Courses/Visiting Lectures

    1. Improving Communication skills in teaching situations program, faculty of science and the English Language Teaching Unit (ELTU), University of Ruhuna, Sri Lanka, 2005
    2. Current Status and Future Trends in Thin Film Solar PV Technology, Institute of Fundamental Studies and National Science Foundation, Sri Lanka, 2012.
    3. Scientific Writing, Postgraduate Institute of Science, University of Peradeniya, 2013.
    4. BCVSPIN summer school in Particle Physics and Cosmology, Graduate University of Chinese Academy of Sciences (GUCAS), Beijing, China, 2009.
    5. 2nd International Conference on Solar Asia 2013, University of Malaya, Kuala Lumpur, Malaysia.
    6. 14th Asian Conference on Solid State Ionics, National University of Singapore, Singapore, 2014.
    7. Two months of research on Rechargeable Magnesium Batteries at the Center for Ionics, University of Malaya, Kuala Lumpur, Malaysia, November-December 2015.
    8. Workshop on Psychological counseling conducted for the staff of Sabaragamuwa University of Sri Lanka organized by the Sri Lanka Foundation, 2016. 
    9. Residential Workshop on Reforming the Practical Lessons, Internal Quality Assurance Cell (IQAC) of the Faculty of Applied Sciences, Sabaragamuwa University of Sri Lanka (2017).
    10. Solar Asia 2018 International Conference, National Institute of Fundamental Studies, Kandy, Sri Lanka, 4-6 January 2018.
    11. Workshop on Hands-on training on Advanced Scientific Instruments for Material Characterization at Materials Technology Section, Industrial Technology Institute (ITI), Colombo 07, 2019
    12. Research Trainee in the Department of Chemistry, Indian Institute of Engineering Sciences and Technology (IIEST) under the India Science Research and Fellowship(ISRF) Sponsored by Indian National Science Acadamy, New Delhi 2023. 

    Visiting Lectures

    Faculty of Engineering Technology, The Open University of Sri Lanka. Course conducted: Foundation in Technology  CEX2312

    Recognized National/International awards for learning, research and teaching

    1. Research Trainee in the Department of Chemistry, Indian Institute of Engineering Sciences and Technology (IIEST) under the India Science Research and Fellowship(ISRF) Sponsored by Indian National Science Acadamy, New Delhi 2023. 

    Editor-in-Chief of Journals/Editorial Board Member/Program Chair/Reviewer

  • Reviewer

    1. International Journal of Ionics The Science and Technology of Ionic Motion, Springer. (from 2017)

    2.  International Conference on Advanced Materials for Clean Energy and Health Applications (AMCEHA)-2019., University of Jaffna.

    3.  10th Annual Research Session of Sabaragamuwa University of Sri Lanka (ARS) 2018.

    4. SLAAS Annual Sessions - 2020

    5. The annual progress review of Ph.D. and M.Phil. Students of the Faculty of Natural Sciences, The Open University of Sri Lanka, 2021-2023

    6. Journal of Advanced Research in Applied Sciences and Engineering Technology (2023) 

    7. International Journal of Research and Innovation in Applied Science (IJRIAS) (2024)

    8. Journal of Advances in Materials and Processing Technologies (2024)

     

    Panel Member

    1. 2nd International Research Symposium 2018 (IRSUWU), Uwa Wellassa University of Sri Lanka.

    2. 8th Annual Research Session of Sabaragamuwa University of Sri Lanka (ARS) 2018.

     

    Examiner

    1. M.Sc in Physics of materials, Postgraduate Institute of Science (PGIS), University of Peradeniya 2021

     

    Positions Held/Hold or service Rendering/Rendering (University Level/National Level/International Level)

  • 1.Student Counselor for the academic year 2009/2010, 2010/2011 and 2016/2017

    2. Activity coordinator, AHEAD project, Department of Physical Sciences and Technology

    3. Faculty coordinator, Newsletter of Sabaragamuwa University of Sri Lanka, 2019.

    4. Member, Progress Monitoring Committee Faculty Building Complex of the Faculty of Applied Sciences Stage II

    5. Member of the Task Force for Self Evaluation Report (SER) compilation for Program Review (PR) of the Faculty of Applied Sciences, 2020 (May 2019 to date)

    6. Member of Laboratory Committee, Faculty of Applied Sciences 2019.

    7. Faculty Coordinator, 8th ICSUSL conference 2021