³ÉÈËÍ·Ìõ

W.A.K.N.Weerakoon, R.D.N.S.S.Udawala, Galhenage A. Sewvandi,".Optimization and Characterization of Calcium Oxide Nanoparticles Extraction from Waste Eggshells for Fertilizer Applications in Agriculture.",M oratuwa E ngineering R esearch C onference ( MERCon) 2022,³ÉÈËÍ·Ìõ,2024,

W.G.A. Pabasara, A. Wickramaarachchi, Galhenage A. Sewvandi,".Numerical Simulation of lead-free Bismuth Chalcohalide Solar Cells.",M oratuwa E ngineering R esearch C onference ( MERCon) 2022,³ÉÈËÍ·Ìõ,2024,

W.G.A. Pabasara, U.K.D.M. Akmal, G.A. Sewvandi, ,".Numerical simulation of stable 2D/3D mixed dimensional perovskite solar cells with high power conversion Efficiency, .",International Conference on Circular Economy and Sustainable Ecosystems,Colombo, Sri Lanka,2024,

Y. Jayaneththi, UKDM Akmal,".Enhancing the Perovskite Solar Cell Performance Through a Cu2O Buffer Layer at Perovskite/Hole Transport Layer Interface: A Numerical Stud,y.",M oratuwa E ngineering R esearch C onference ( MERCon) 2022,³ÉÈËÍ·Ìõ,2023,

JTST Jayawardane,".Potential of Chalcogenide Halide Bismuth Perovskites CH3NH3BiChI2 (Ch = S, Se,) as Solar Absorbers based on Theoretical Study.",M oratuwa E ngineering R esearch C onference ( MERCon) 2022,³ÉÈËÍ·Ìõ,2022,

L. G. Chamath, L. K. T. Srimal,".Evaluating the Thermal Conductivity of Three-phase Insulation Composite using Analytical and Numerical Methods.",M oratuwa E ngineering R esearch C onference ( MERCon) 2022,³ÉÈËÍ·Ìõ,2022,

U. Nipunika, Y. Jayaneththi,".Synthesis of Calcium Oxide Nanoparticles from Waste Eggshells.",M oratuwa E ngineering R esearch C onference ( MERCon) 2022,³ÉÈËÍ·Ìõ,2022,

Sarith S. Ranasinghe, Yehan L. Kuruppu, G alhenage A . Sewva ndi,".Effect of H alide Io n in the P erovskite o n P erovski te S olar C ell P erformances.",M oratuwa E ngineering R esearch C onference ( MERCon) 2021,³ÉÈËÍ·Ìõ,2021,6 654 -3 753

MAH Yasassri, Galhenage A. Sewvandi,".Impact of Drying Temperature on Morphology and the Crystallinity of CH3NH3PbI3 Thin Films.",M oratuwa E ngineering R esearch C onference ( MERCon) 2021,³ÉÈËÍ·Ìõ,2021,544-548

H.P.B. Gunawardhana, L.G. Chamath, ,".A methodology to control the interior temperature of vehicles parked under the sun.",Manufacturing & Industrial Engineering Symposium 2016,Colombo, Sri Lanka,2016,

,".Effect of Dye Anchoring Groups on Dye Adsorption Characteristics of Dye-Sensitized Solar Cells.",The 6th World Conference on Photovoltaic Energy Conversion (WCPEC-6),Kyoto, Japan,2014,

Qi Feng,".Adsorption Isotherms and Photovoltaic Performance of Dye Sensitized Solar Cells (DSSCs) based on Organic Dye.",The 3rd Workshop of Advanced Materials Science and Engineering between Kagawa University and Hanbat National UniversityThe 6th World Conference on Photovoltaic Energy Conversion (WCPEC-6),Kagawa university, Japan,2014,

Qi Feng,".Effect of Organic Dye Adsorption Parameters on the Photovoltaic Performance of Dye Sensitized Solar Cells.",Photovoltaic Science and Engineering Conference (PVSEC-23),Taipei,Taiwan,2013,

Qi Feng,".Effect of TiO2 Film Thickness on Photovoltaic Performance of Dye Sensitized Solar Cells (DSSCs) based on Organic Dyes.",The 2nd workshop of Advanced Materials Science and Engineering between Kagawa University and Hanbat National University,Kagawa university, Japan,2013,

Qi Feng,".Fabrication of Dye Sensitized Solar Cells Based on Organic Dyes.",The 2nd workshop of Advanced Materials Science and Engineering between Kagawa University and Hanbat National University?19? ????????·??????,Tokushima, Japan,2012,

Changdong Chen and Qi Feng,".Dye Sensitized Solar Cells based on an Alkyl-Functionalized Carbazole Dye.",Japan- India Bilateral Seminar on Supermolecular Nanomaterials for Energy Innovation,Takamatsu, Japan,2012,

S.U. Adikary ,".Synthesis of Chitosan Polymer/Nanohydroxyapatite Ceramic Powder (70/30) Composites using insitu Coprecipitation Technique with Double Step Stirring.",International Conference on Advanced and Traditional ceramics (ICTA 2012),Bangkok, Tailand,2012,

S.U. Adikary ,".Synthesizing and Characterization of Natural Biopolymer Chitosan Derived from Shrimp Type Penaeus Monodon.",Twenty third annual congress – 2011,Peradeniya, Sri Lanka,2011,

S.U. Adikary, J.M.N. Jayaweera,".Effect of reflux temperature on synthesis of hydroxyapatite by wet chemical precipitation technique.",17th ERU symposium 2011,³ÉÈËÍ·Ìõ, Sri Lanka,2011,

S.U. Adikary, J.M.N. Jayaweera,".Removal of heavy metals from waste water using chitosan.",Joint International symposium on social management systems 2011,IESL-SSMS 2011,Colombo, Sri Lanka,2011,

S.U. Adikary, J.M.N. Jayaweera,".Synthesis and characterization of hydroxyapatite to be used as a bio material.",JAnnual symposium on challenges of post conflict Sri Lanka 2011,Colombo, Sri Lanka,2011,

Jayawardena, J.T.S.T.; Akmal, Y U.K.D.M.; Hu, D.; Abeygunawardhana,P.K.W.; Galhenage A. Sewvandi,".; Eco-Friendly Bismuth Halide Chalcogenide Perovskites for Solar Energy Harvesting .",Sustainable Energy & Fuels,DOI: 10.1039/D4SE01523A,2025

L. G. Chamath, L. K. T. Srimal, and Galhenage A. Sewvandi, R. Gallage, J. Epaarachchi,".Optimizing the alkaline concentration for coir fibre treatment and estimation of lifetime.",Journal of the National Science Foundation of Sri Lank,52,4,2025

Jayawardena, J.T.S.T.; Hu, D.; Abeygunawardhana,P.K.W.; Galhenage A. Sewvandi,".Tuning of Optoelectronic Properties of Chalcohalides by Tailoring Pnictogen Composition for Sustainable Photovoltaics.",Adv. Theory Simul,doi.org/10.1002/adts.202500104,2025

Pabasara, W.; Wijerathne, H.; Karunarathne,M.G.M.M.; Sadaru, D.M.C.:Abeygunawardhana, P.K.W.; Galhenage A. Sewvandi,".Exploring nontoxic perovskite materials for perovskite solar cells using machine learning.",Discov Mater ,5,123,2025

Jayawardena, J.T.S.T.; Akmal, Y U.K.D.M.; Jayaneththi, H.; Fernando, W.M.T.V.; Hu, D.; Abeygunawardhana,P.K.W.; Galhenage A. Sewvandi,".Simulation-Based Performance Analysis of Lead-Free Bismuth Perovskite Solar Cells: A Comparative Study of Cs3Bi2I9 and (CH3NH3)3Bi2I9 -based Perovskite Solar Cells.",Adv. Theory Simul.,7/7,2024

Wenusara S., Pasan H., Chamara S., Nalaka S., Galhenage A. Sewvandi,".Reduced thermal conductivity of constricted graphene nanoribbons for thermoelectric applications.",Carbon Trends,17,2024

Cheng, C.; Xi, W.; Yan, W.; Hongxi, G.; Weixing, Z.; Wenxiong, Z.; Bo, W,; Chunrui, M.; Ming, L.; Hu, D,".Digital light processing 3D printing of barium titanate/1, 6-ethylene glycol diacrylate/polyethylene glycol (400) diacrylate nanocomposites.",Adv Compos Hybrid Mater,6/41,2023

L. G. Chamath, L. K. T. Srimal,".Assessment of transverse thermal conductivity of coir fibre using experimental, analytical, and numerical methods.",Journal of the National Science Foundation of Sri Lanka,51/1,2023

Xue, R.; Yuan, P.; Zhao, B.; Jing, F.; Kou, X.; Yue, W.; Wang, D.; Hu, D.,".DLP printing of BT/HA nanocomposite ceramic scaffolds using low refractive index BT crystals.",Journal of Materiomics,,2023

Li,L.; Yao, M.; Yang, D.; Wang Y.; Mia, L.: Pu, X,".Controllable preparation of two-dimensional oriented BaTiO3 polycrystals from K0.8Ti1.73Li0.27O4 crystals by a one-step solvothermal processs.",Ceram. Int,8,2022

Wang Y.;Yang, D.;Yao, M.; Li,L.; Huang, Z.; Zhang, W.; Han, Y:Feng, Q.; Hu D. ,".In situ topochemically converted 2D BaTiO3 polycrystals with multifarious zone axes.",Mater. Adv.,3,2022

Yan Wang, Dandan Yang, Minggang Yao, Lijie Li, Zhuonan Huang, Wenxiong Zhang, Yinfeng Han,Galhenage Asha Sewvandi, Qi Feng and Dengwei Hu Dengwei Hu,".Topochemical conversion of the discontinuouszone- axis to form bismuth titanate oriented polycrystal nanocomposites.",INORGANIC CHEMISTRY FRONTIERS,8,2021

. Miao, L.; Li, L.; Yao, M.; Wang, Y.; Yang, D.; Zhang, W.; Galhenage A Sewvandi,; Feng, Q.; Yang D.; Hu, D,".Controllable preparation and formation mechanisms of BaTiO3/titanate nanocomposites from solvothermally synthesized K 0. 8 Li 0. 27 Ti1.7304 crystal.",Mater. Chem. Phys.,248,2020

Galhenage A Sewvandi; Kakimoto, M.; Chen, C.; Hu, D.; Abeygunawardhana, P. K.W.; Feng Q. ,".Controlling dye coverage instead of addition of organic acid to reduce dye aggregation in dye-sensitized solar cells.",Solar Energy,202,2020

Hu, D.; Miao, L.; Zhang, Z.; Li, L.; Wang, Y.; Cheng, H,; Galhenage A Sewvandi,; Feng, Q.; Fan, M.; Zhao, L.,".One-Dimensional Piezoelectric BaTiO3 Polycrystal of Topochemical Mesocrystal Conversion from Layered H2Ti4O9•H2O Single Crystal.",Crystal Growth & Desig,18,2018

Hu, D; Ma, H. Wenxiong, Z.; Galhenage A. Sewvandi; Desuo, Y; Xiaoling, W.; Xingang, K.; Feng,Q. ,".Topological relations and piezoelectric responses of crystal-axis-oriented BaTiO3/CaTiO3 nanocomposites.",RSC Advances,7,2017

Xu, L.; Galhenage A. Sewvandi; Uemura, S.; Kusunose, T.; Nakanishi, S.; Feng,Q.,".Facile Size-controllable Synthesis Process, Bandgap Blue Shift, Enhanced Photocatalytic Performances of [111]-Faceted Anatase TiO2 Nanocrystals.",New J. Chem.,,2017

Changdong Chen, Fei Luo Yuanju Li , Qi Feng ,".Single-crystalline anatase TiO2 nanoleaf: Simple topochemical synthesis and light-scattering effect for dye-sensitized solar cells.",Materials Letters,196,2017

Hu, D.; Chen, C.; Ma, H.; Nakanishi, S.; Feng, Q.,".Ferroelectric and Semiconducting Synergistic Behavior of CH3NH3PbI3 Perovskite and Its Contribution to Charge Separation in Perovskite Solar Cells .",Phys. Rev. Applied ,6,2016

Kodera, K.; Ma, H.; Kusunose, T.; Tanaka, T.; Nakanishi, S.; Feng, Q. ,".Antiferroelectric Nature of CH3NH3PbI3-xClx Perovskite and Its Implication for Charge Separation in Perovskite Solar Cells. .",Scientific Reports ,6,2016

K.Matosaki; Chen, C.; Kusunose, T.; Tanaka, T.; Nakanishi, S.;Feng, Q.,".Improved Dispersion Ability of TiO2 Nanoparticles for Efficient Dye-Sensitized Solar Cells..",Applied Surface Science ,357,2015

. Chen, C.; Ikeuchi, Y.; Xu, L.; Kusunose, T.; Tanaka, T.; Nakanishi, S.; Feng,Q. ,".Synthesis of [111]- and {010}-Faceted Anatase TiO2 Nanocrystals from Tri-Titanate Nanosheets and Their Photocatalytic and DSSCs Performances..",Nanoscale,17,2015

Tao, Z.; Kusunose, T.; Tanaka, T.; Nakanishi, S.;Feng,Q,".Modification of TiO2 Electrode with Organic Silane Interposed Layer for High-Performance of Dye-Sensitized Solar Cells..",ACS Appl. Mater. Interfaces ,6,2014

Chen, C.; Ishii, T.;Kusunose, T.; Tanaka, T.; Nakanishi, S.;Feng,Q. ,".Interplay between Dye Coverage and Photovoltaic Performances of Dye-Sensitized Solar Cells Based on Organic Dyes. .",. J. Phys. Chem. C ,118,2014

Chen, C.; Kusunose, T.; Tanaka, T.; Nakanishi, S.; Feng,Q. ,".Synthesis of {010}-Faceted Anatase TiO2 Nanoparticles from Layered Titanate for Dye-sensitized Solar Cells. .",.CrystEngComm,14,2014

Chen, C.; Xu, L.;Kusunose, T.; Tanaka, T.; Nakanishi, S.; Feng,Q.,".Microwave-Assisted Topochemical Conversion of Layered Titanate Nanosheets to {010}-Faceted Anatase Nanocrystals for High Performance Photocatalyst and Dye-Sensitized Solar Cells..",.Crystal Growth & Design ,14,2014

L. G. Chamath, L. K. T. Srimal, and Galhenage A. Sewvandi, R. Gallage, J. Epaarachchi,".Optimizing the alkaline concentration for coir fibre treatment and estimation of lifetime. .",Journal of the National Science Foundation of Sri Lanka,52,4,2005