Department of Chemistry
Department of Chemistry
Academic Staff member

Prof. (Mrs) W.S. Hemalika

Professor in Chemistry

B.Sc(Ruhuna, SL) , PhD (USA),
Email - hemalika@chem.ruh.ac.lk
Office -
Extention - 4402

LinnkedIn ResearchGate Google Scholar

  • Organic chemistry,
  • physical organic chemistry,
  • supramolecular chemistry
  • Organic chemistry,
  • supramolecular chemistry
  • 1. R Rathore, SH Wadumethrige, Highly robust cation radical salts: Aromatic oxidants from cycloannulated aromatic donors, Journal of Photochemistry and Photobiology A: Chemistry, 382, 2019
  • 2. R Rathore, SH Wadumethrige, Non-Planar Dodecaalkoxy-hexa-peri-hexabenzocoronene with Six Reversible Oxidation States, Journal of Photochemistry and Photobiology A: Chemistry, 111881,2019
  • 3. Thennakoone Patabandige, D.S.B.;Wadumethrige, S.H.; Wanniarachchi, S. H3PO4-activated sawdust and rice husk as effective decolorizers for textile wastewater containing Reactive Black 5 International journal of Environmental Science and Technology May, 2019
  • 4. M.V. Ivanov;, S.H. Wadumethrige,; D. Wang,; R. Rathore, Through�Space or Through�Bond? The Important Role of Cofaciality in Orbital Reordering and Its Implications for Hole (De) stabilization in Polychromophoric Assemblies.
  • The Journal of Physical Chemistry C. (2017), 23, 8834 � 8838.
  • 5. M. Ivanov,; S. Wadumethrige,; D. Wang,; R. Rathore, Unraveling the Coulombic forces in electronically decoupled bichromophoric systems during two successive electron transfers
  • Chemistry-A European Journal (2017), 23, 8834 � 8838
  • 6 Maxim V. Ivanov, Denan Wang, Shriya H. Wadumethridge, and Rajendra Rathore, When Substituents Do Not Matter: Frontier Orbitals Explain the Unusually High and Invariant Oxidation Potential in Alkoxy, Alkyl, and H Substituted Iptycenes, J. Phys. Chem. Lett. 2017, 8, 4226?4230
  • 7. He, Jian; Crase, Jason L.; Wadumethrige, Shriya H.; Thakur, Khushabu; Dai, Lin; Zou, Shouzhong; Rathore, Rajendra; Hartley, C. Scott. Ortho-Phenylenes: Unusual Conjugated Oligomers with a Surprisingly Long Effective Conjugation Length. Journal of the American Chemical Society (2010), 132, 13848-13857.
  • 8. Zhai, Linyi; Shukla, Ruchi; Wadumethrige, Shriya H.; Rathore, Rajendra. Probing the Arenium-Ion (Proton Transfer) versus the Cation-Radical (Electron Transfer) Mechanism of Scholl Reaction Using DDQ as Oxidant. Journal of Organic Chemistry (2010), 75, 4748-4760.
  • 9. Wadumethrige, Shriya H.; Rathore, Rajendra. A Facile Synthesis of Elusive Alkoxy-Substituted Hexa-peri-hexabenzocoronene. Organic Letters (2008), 10, 5139-5142.
  • 10. R Shukla, SH Wadumethrige, SV Lindeman, R Rathore Synthesis, Electronic Properties, and X-ray Structural Characterization of Tetrarylbenzo [1, 2-b: 4, 5-b?] difuran Cation Radicals, Organic letters, 2008, 10 (16), 3587-3590
  • 11. Wadumethrige, S. H.; Rajendra Rathore, �Synthesis of Alkoxy-Substituted Hexa peri �hexabenzocoronene� Synfacts (2009), 03, 0275-0275.
  • 12. Shukla, Ruchi; Wadumethrige, Shriya H.; Lindeman, Sergey V.; Rathore, Rajendra. Synthesis, Electronic Properties, and X-ray Structural Characterization of Tetrarylbenzo[1,2-b:4,5-b']difuran Cation Radicals. Organic Letters (2008), 10, 3587-3590.
  • 13. Tushar S. Navale, Khushabu Thakur, Vijay S. Vyas, Shriya H. Wadumethrige, Ruchi Shukla, Sergey V. Lindeman, and Rajendra Rathore Charge Delocalization in Self-Assembled Mixed-Valence Aromatic Cation Radicals Langmuir (2012), 28, 71�83
  • 14. Lindeman ,S. ; Wadumethrige S. ,H.;� Rathore, R.; Dolomanov, O. �Thermal motion in the crystals of octamethylanthracene and its ion-radical salts�Acta Crystallographica Section A Foundations of Crystallography, (2012); 68, 247.
  • 15. Wadumethrige, S. H.; Rajendra Rathore �Aryloxysubstituted Tetraphenylethylene Derivatives for the Preparation of Electroactive Dendrimers�, 2nd Ruhuna International Science and Technology Conference, University of Ruhuna, Sri Lanka, January 2015.
  • 16. Daladawatta, N.; Wadumethrige, S. H. �Mechanochemical treatment for the detoxification of organic pollutants in agricultural wastes�, 1st Ruhuna International Science and Technology Conference, University of Ruhuna, Sri Lanka, January 2014.
  • President's Awards for scientific Research-2017
  • Academic Warden-Girls' Hostels - Wellamadama Complex
  • Student Counselor-Faculty of Science
  • Senior Treasurer-Kala Haula -Faculty of Science