G. L. N. P. Sumanarathna

Dr. G. L. N. P. Sumanarathna 

Senior Lecturer Gr II

Ph.D. in Organic Chemistry(The University of Mississippi, Oxford, MS, USA)
B.Sc Chemistry Honours (University of Peradeniya)
Email :nalakas@uwu.ac.lk
Phone : +94 714 788 376

  • Near-IR absorbing organic dye design, synthesis, and characterization.
  • NHC-pyridyl based organometallic catalyst design, synthesis, and characterization.
  • Analysis and optimize of photocatalytic and electrocatalytic catalyst performances.
  • Synthesis of Advanced Pharmaceutical Ingredients (APIs)

Liyanage, N. P.; Dulaney, H.; Huckaba, A. J.; Jurss, J. W.; Delcamp, J. H.“Electrocatalytic Reduction of CO2 to CO with Re-Pyridyl-NHCs: Proton Source Influence on Rates and Product SelectivitiesInorg. Chem., 2016, 55, 6085.

Liyanage, N.P.; Yella, A.; Nazeerudin, M.; Grätzel, M.; Delcamp, J. H. “Thieno[3,4-b]pyrazine as an Electron Deficient π-Bridge in D-A-π-ADSCsACS Appl. Mater. Interfaces, 2016, 8, 5376.

Liyanage, N. P.; Cheema, H.; Baumann, A. R.; Zylstra, A. R.; Delcamp, J. H. “Effect of Donor Strength and Bulk on Thieno[3,4 b]pyrazine based Panchromatic Dyes in DSCs”ChemSusChem, 2017, 10, 2635.

Liyanage, N. P.; Yang, W.; Guertin, S.; Roy, S. S.; Carpenter, C. A.; Schmehl, R. H.; Delcamp, J. H.; Jurss, J. W. “Photochemical CO2 Reduction with Mononuclear and Dinuclear Rhenium Catalysts Bearing a Pendant Anthracene Chromophore” Chem. Commun.2019,55, 993.

McNamara, L. E.; Liyanage, N.; Peddapuram, A.; Delcamp, J. H.; Hammer, N. I.“Donor-Acceptor-Donor Thienopyrazines via Pd-Catalyzed C-H Activation as NIR Fluorescent MaterialsJ. Org. Chem., 2016, 81, 32.

Cope, J. D.; Liyanage, N. P.; Kelley, P. J.; Denny, J. A.; Valente, E. J.; Webster, C. E.; Delcamp, J. H.; Hollis, T. K. “Electrocatalytic Reduction of CO2 with CCC-NHC Pincer Nickel Complexes”Chem. Commun. 2017, 53, 9442.

Boudreaux, C. M.; Liyanage, N. P.; Shirley, H.; Siek, S.; Gerlach, D. L.; Qu, F.; Delcamp, J. H.; Papish, E. T. “Ruthenium(II) Complexes of Pyridinol and N-heterocyclic Carbene Derived Pincers as Robust Photocatalysts for Selective CO2 Reduction”Chem. Commun. 2017, 53, 11217.

Burks, D. B.; Davis, S.; Lamb, R. W.; Liu, X.; Rodrigues, R. R.; Liyanage, N. P.; Sun, Y.; Webster, C. E.; Delcamp, J. H.; Papish, E. T. “Nickel(II) Pincer Complexes Demonstrate that the Remote Substituent Controls Catalytic Carbon Dioxide Reduction” Chem. Commun.201854, 3819.

Shirley, H.; Sexton, T. M.; Liyanage, N. P.; Palmer, C. Z.; McNamara, L. E.; Hammer, N. I.; Tschumper, G. S.; Delcamp, J. H. “Effect of “X” Ligands on the Photocatalytic Reduction of CO2 to CO with Re(pyridylNHC-CF3)(CO)3X Complexes” Eur. J. Inorg. Chem., 2020, DOI: 10.1002/ejic.202000283

Shirley, H.; Figgins, M. T.; Boudreaux, C. M.; Liyanage, N. P.; Lamb, R. W.; Webster,C. E.; Papish, E. T.; Delcamp, J. H.; “Impact of the Dissolved Anion on the Electrocatalytic Reduction of CO2 to CO with Ruthenium CNC Pincer Complexes”, ChemCatChem, 2020, Accepted Article, DOI:10.1002/cctc.202000742R1

Shirley, H.; Sexton, T. M.; Liyanage, N. P.; Perkins, M. A.; Autry, S. A.; McNamara, L. E.; Hammer, N. I.; Parkin, S.; Tschumper, G. S.; Delcamp, J. H.;  “Probing the Effects of Electron Deficient Aryl Substituents and a π-System Extended NHC Ring on the Photocatalytic CO2 Reduction Reaction with Re-pyNHC-Aryl Complexes”, ChemPhotoChem, 2021, 5, doi.org/10.1002/cptc.202000296.

Ongoing research and projects:

IRCUWU2021Track-Coordinator, Faculty of Applied Sciences, Feb 2021 to Present


Member of American Chemical Society (ACS)                    (Jan 2017 to Present)


  • Outstanding Organic Graduate Student:American Chemical Society (ACS) Local Section (2016)
  • Graduate Achievement Award: Liberal Arts, University of Mississippi (2018)