• Berberine isolation from Coscinium fenestratum: optical, electrochemical, and computational studies 

      Rajapakse, R. M. Gamini; Horrocks, Benjamin R.; Malikaramage, A.U.; Gunarathna, H.M.N.P.; Egodawele, M.G.S.A.M.E.W.D.D.K.; Jayasinghe, J. M. Susanthi; Ranatunga, Udayana; Herath, W.H.M.R.N.K.; Sandakelum, Lahiru; Wylie, Shane; Abewardana, P.G.P.R.; Seneviratne, V.N.; Perera, L.L.K.; Velauthapillai, Dhayalan (Peer reviewed; Journal article, 2023)
      Berberine was extracted from Coscinium fenestratum (tree turmeric) and purified by column chromatography. The UV-Vis absorption spectroscopy of berberine was studied in acetonitrile and aqueous media. TD-DFT calculations ...
    • CO<inf>2</inf> adsorption performance of template free zeolite A and X synthesized from rice husk ash as silicon source 

      Madhu, Jayaprakash; Santhanam, Agilan; Natarajan, Muthukumarasamy; Velauthapillai, Dhayalan (Peer reviewed; Journal article, 2022)
      In this work, zeolite NaA (RA) and NaX (RX) have been successfully synthesized using rice husk ash and it is a low cost synthesis process and it does not produce environmental hazards. Sodium silicate (SS) is extracted ...
    • Implementing the donor–acceptor approach in electronically conducting copolymers via electropolymerization 

      Rajapakse, Gamini; Watkins, Davita; Ranathunge, Tharindu; Gunarathne, H M N P; Sandakelum, Lahiru; Malikaramage, Asitha Udayanga; Wylie, Shane; Abewardane, P G P R; Egodawela, M. G. S. A. M. E. W. D. D. K; Herath, W. H. M. R. N. K.; Bandara, Sanjaya; Strongin, Daniel R; Attanayake, Nuwan Harsha; Velauthapillai, Dhayalan; Horrocks, Benjamin R (Peer reviewed; Journal article, 2022)
      Electropolymerization has become a convenient method for synthesizing and characterizing complex organic copolymers having intrinsic electronic conductivity, including the donor (D)–acceptor (A) class of electronically ...
    • In-depth first-principle study on novel MoS 2 polymorphs 

      Eidsvåg, Håkon; Rasukkannu, Murugesan; Velauthapillai, Dhayalan; Vajeeston, Ponniah (Peer reviewed; Journal article, 2021)
      Molybdenum disulphide (MoS2) is a rising star among transition-metal dichalcogenides in photovoltaics, diodes, electronic circuits, transistors and as a photocatalyst for hydrogen evolution. A wide range of MoS2 polymorphs ...
    • Nickel-cobalt hydroxide: a positive electrode for supercapacitor applications 

      Vidhya, S; Ravi, G; Yuvakkumar, R; Velauthapillai, Dhayalan; Thambidurai, M; Dang, Quong; Saravanakumar, B (Peer reviewed; Journal article, 2020)
      So far, numerous metal oxides and metal hydroxides have been reported as an electrode material, a critical component in supercapacitors that determines the operation window of the capacitor. Among them, nickel and cobalt-based ...
    • Potential transition and post-transition metal sulfides as efficient electrodes for energy storage applications: review 

      Thirunavukkarasu, Kajana; Pirashanthan, Arumugam; Velauthapillai, Dhayalan; Yuvapragasam, Akila; Yohi, Shivatharsiny; Ravirajan, Punniamoorthy; Senthilnanthanan, Meena (Peer reviewed; Journal article, 2022)
      Electrochemical energy storage has attracted much attention due to the common recognition of sustainable energy development. Transition metal sulfides and post-transition metal sulfides have been intensively been focused ...
    • Sr doped TiO2 photocatalyst for the removal of Janus Green B dye under visible light 

      Keerthana, S P; Yuvakkumar, R; Ravi, Ganesan; Thambidurai, M; Nguyen, Hung D.; Velauthapillai, Dhayalan (Peer reviewed; Journal article, 2023)
      Hydrothermal synthesis of pristine and Sr doped TiO2 is proposed. The synthesized products were studied for their physiochemical properties. 3% Sr-TiO2 showed a narrow bandgap, which facilitate an increase in oxygen ...