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Dr. Naleen B. Jayaratna

Senior Lecturer

naleen@as.rjt.ac.lk

Education

  • Ph.D.
    University of Texas at Arlington, USA

  • M.Sc.
    Sam Houston State University, USA

  • Grad. I. Chem
    Sri Lanka

Professional Qualifications

  • Certificate course in Teaching in Higher Education

Research Interests

  • Chemistry of small gas molecules; ethylene, carbon monoxide
  • Catalysis
  • Light emitting materials
  • Chemistry of biodegradable polymer

Teaching Subjects

  • CHE 4203 – Surface and Colloidal Chemistry
  • CHE 4204 – Advanced Inorganic Chemistry II
  • CHE 4210 – Molecular and Surface Spectroscopy
  • CHE 4215 – Solid State Chemistry
  • CHE 3205 – Advanced Inorganic Chemistry I
  • CHE 3215 – Heterocyclic and Synthetic Organic Chemistry
  • CHE 3214 – Chemistry-Laboratory
  • CHE 3217 – Advanced Inorganic Chemistry-Lab
  • CHE 1201 – General Chemistry

Current Researches and Projects

Publications

Journal publications

  • Jayaratna, N.B.; Cowan, M.G.; Parasar, D.; Funke, H.H.; Reibenspies, J.; Mykhailiuk, P. K.; Artamonov, O.; Noble, R.D.; Dias, H. V.R. “Low Heat of Adsorption of Ethylene Achieved by Major Solid-State Structural Rearrangement of a Discrete Copper(I) Complex” Angew. Chem. Int. Ed. (IF 12.102), 2018, 57, 16442
  • Jayaratna, N.B.; Kharisov, B.I.; Olmstead, M.M; Dias, H. V. R. “Coinage Metal Pyrazolates {[3,5-(CF3)2Pz]M}3 (M = Au, Ag, Cu) as Buckycatchers” Inorg. Chem. (IF 4.700), 2016, 55, 8277
  • Jayaratna, N. B.; Hettiarachchi, C.V.; Yousufuddin, M.; Dias, H. V. R. “Isolable arene sandwiched copper(I) pyrazolates” New J. Chem. (IF 3.201) 2015, 39, 5092
  • Jayaratna, N.B.; Pardue, D.B.; Ray, S.; Yousufuddin, M.; Thakur, K.G; Cundari, T.R.; Dias, H.V.R. “Silver(I) complexes of tris(pyrazolyl)borate ligands bearing six trifluoromethyl and three additional electron-withdrawing substituents” Dalton Trans.(IF 4.099) 2013, 42, 15399
  • Jayaratna, N. B.; Gerus, I. I.; Mironets, R. V.; Mykhailiuk, P. K.; Yousufuddin, M.; Dias, H. V. R. “Silver(I) and Copper(I) adducts of a tris(pyrazolyl)borate decorated with nine trifluoromethyl groups” Inorg. Chem. (IF 4.700)2013, 52, 1691
  • Jayaratna, N.B.; Norman, R.E. 2–Phenyl–2-(pyridin–2–yl)hexahydro­pyrimidine Acta Crystallogr., Sect. E: Struct. Rep. Online (IF 0.347)2010, E66, 03149
  • Jayaratne, N. B.; Karunaratne, D.N.; Kumar, N.S. “Effects   of   caffeine   and   a   tea   flavanoid on Monacrosporium ambrosium, ectosymbiote of shot-hole borer beetle of tea” J. Natl. Sci. Foundation Sri Lanka (IF 0.45) 2009, 17(4) 273
  • Parsar, D.; Jayaratna, N.B.; Munoz-Castro, A.; Conway, A.E.; Mykhailiuk, P.K.; Dias, H.V.R. “Carbonyl complexes of copper(I) stabilized by bridging fluorinated pyrazolates and halide ions” Dalton Trans.(IF 4.099) 2019, 48, 6358
  • Parasar, D.; Almotawa, R.M.; Jayaratna, N.B.; Ceylan, Y.S.; Cundari, T.R.; Omary, M.A; Dias, H.V.R. “Synthesis, Photophysical Properties, and Computational Analysis of Di- and Tetranuclear Alkyne Complexes of Copper(I) Supported by a Highly Fluorinated Pyrazolate” Organometallics (IF 3.862), 2018, 37, 4105
  • Kulkarni, N.V.; Das, A.; Jayaratna, N.B.; Yousufuddin, M.; Dias, H.V.R. “Zinc–Mediated Carbene Insertion to C–Cl Bonds of Chloromethanes and Isolable Zinc(II) Isocyanide Adducts” Inorg. Chem. (IF 4.700) 2015, 54, 5151
  • JKulkarni, N.V.; Dash, C.K.; Jayaratna, N.B.; Ridlen, S.; Khani, S.; Das, A.; Kou, X.; Yousufuddin, M.; Cundari, T.; Dias, H. V. R. “Zinc(II) mediated carbene insertion into C-H bonds in alkanes”Inorg. Chem. 2015 (IF 4.700) 54, 11043

Conference presentations

  • “Supramolecular aggregates of π-acidic coinage metal pyrazolates and π-basic aromatic hydrocarbons” Dias, H. V. R.; Jayaratna, N. B. ACS National Meeting, Boston, MA, USA, August 16-20, 2015
  • “Tris(pyrazolyl)borate silver(I) complexes” Jayaratna, N. B.; Yousufuddin, M.; H. V. R. Dias ACS Meeting in Miniature, Arlington, TX, USA, April 25, 2015
  • “Dinuclear copper(I) ethylene pyrazolates” Jayaratna, N. B.; Hettiarachchi, C. V.; Gerus, I. I.; Mykhailiuk, P.K.; Yousufuddin, M.; Dias, H. V. R. ACS Southwest Regional Meeting, Fort Worth, TX, USA, November 19-22 (2014)
  • “Pyrimidine and pyrazolate supported brightly luminescent copper(I) complexes” Conway, Allison; Jayaratna, N. B.; Yousufuddin, M.; Dias, H. V. R. ACS Southwest Regional Meeting, Fort Worth, TX, USA, November 19-22 (2014)
  •  “Dinuclear copper(I) ethylene pyrazolates” Jayaratna, N. B.; Hettiarachchi, C. V.; Gerus, I. I.; Mykhailiuk, P.K.; Yousufuddin, M.; Dias, H. V. R., ACS Southwest Regional Meeting, Fort Worth, TX, USA, November 19–22, 2014
  • “Weakly coordinating Tris(pyrazolyl)borate ligands and silver(I) complexes” Jayaratna, N. B.; Ray, Sriparna; Dias, H. V. R., ACS Southwest Regional Meeting, Waco, TX, USA, November 16-19, 2013
  • “Synthesis and characterization of multinuclear Ag(I) complexes possessing argentophilic interaction”Jayaratna, N.B.;Dias, H. V. R., ACS Meeting in Miniature, Dallas Fort Worth, USA,April 21, 2012