Rathnayake, Hemali

UNCG

There are 9 item/s.

TitleDateViewsBrief Description
Sol-gel synthesis and band gap engineering of Zinc Oxide nanostructures 2021 438 Zinc Oxide (ZnO) belongs to the (II-VI) wurtzite semiconductor that has found practical applications across multiple disciplines. One of its first main uses was in the application of ultraviolet protection (sunscreen) since it has a bandgap that abso...
Investigation of plastic crystal and metal-organic framework-based solid-state electrolytes 2021 306 The all-solid-state battery is hailed as the next generation of energy storage. It has the potential to drastically improve the safety, energy density, and cost of the battery. Therefore, there have been many avenues developed to achieve a solid-stat...
Mechanism and in-situ crystal growth kinetics of ultrathin binary transition metal hydroxide/oxide nanowire self-assembly 2021 230 The controlled synthesis of anisotropic one-dimensional metal hydroxide/oxide nanostructures with versatile properties, are most fascinating for applications in electronics, optical, and energy storage devices, due to their superior performance based...
Synthesis and mechanical characterization of polyamide-imide/zinc oxide nanocomposites towards applications in aerospace 2020 453 Low Earth orbit poses unique challenges to spacecraft due to its harsh environment. Of particular concern is the presence of small, fast moving natural and manmade micrometeoroids whose collisions with spacecraft cause damage that greatly reduces the...
Bandgap engineering of titanium based oxynitride thin films and molybdenum disulfide thin films for photovoltaic applications 2019 631 The purpose of this project was to investigate the potential of two different material systems for the improvement of solar cell efficiency; one based on a titanium oxynitride system and the other molybdenum disulfide. Both phases of the project util...
Photophysical study of fused arene based dyes effective for Förster resonance energy transfer 2022 179 This dissertation work investigates the non-radiative energy transfer process in a blend of donor and acceptor of fused arene-based hybrid fluorophore materials. Aiming at understanding molecular interactions in a solvent-solute medium and in a solid...
Design and synthesis of coordination polymer frameworks for solid-state electrolytes 2023 51 Current energy storage technologies suffer from low energy density, heaviness, high cost, and materials scarcity. Thus, lightweight, long-lasting, quick charging, eco-friendly, and low-cost battery technology is crucial for the expansion of power ele...
Metal oxide nanostructures for thermoelectric materials: experimental and computational materials performance evaluation 2020 646 Waste recovery technologies, which convert heat into usable energy can meet the global demand for energy. One solution to this issue is thermoelectric generators (TEGs), which converts heat into electricity. However, several aspects of current TEGs n...
Synthesis, characterization and understanding photophysical properties of isoreticular metal-organic frameworks 2021 324 A series of isoreticular metal-organic frameworks (IRMOFs) formed by self-assembly directed solvothermal process using organic chromophores with metal ions emerge as future luminophores for optoelectronic devices. We have explored the photophysical p...