Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 10 of 10 for “"Dye-Sensitized Solar Cell (DSSC)"”.
-
Integrated Tandem Dye Sensitized Solar Cell (DSSC)-Lithium Ion Battery
… types of energy harvesting technologies such as solar, thermal and wind require excess energy to be stored in batteries, which further adds to the complication and increase in cost to the overall renewable energy system. Integrating the generation and storage of solar energy in a single device …
-
The applications for 3d inverse opal microstructures
… but also it can be useful in designing a dye-sensitized solar cell (DSSC). The first chapter will demonstrate the properties of these colloidal particles and explain the fabrication process of 2-D and3-D colloidal microstructures. The second and third chapter will focus on the MEMS devices …
-
Synthesis and characterization of nanostructured catalysts for photovoltaic applications
… properties and light harvesting potential in a dye sensitized solar cell (DSSC). Particular attention was given to develop synthetic methods to produce metal oxide photocatalysts with similar crystallite size, with different morphologies (spheres, fibers, hierarchical spheres, and globular …
-
A Study on the Use of Inverse Opals Composed of Zinc Oxide Aggregate Popcorn Particles to Improve the Efficiency of Dye- Sensitized Solar Cells
… applicable to the working electrode of a dye--‐sensitized solar cell (DSSC) are explored in order to enhance efficiency. Certain compositional and structural changes to the architecture of the electrode are examined. First, the ZnO nanoparticles that are commonly utilized in DSSCs are …
-
The synthesis, characterization, and application of carborane-cluster based macrocycles and boron nitride nanosheets in photovoltaics
<p>Chapter 1: Dye-sensitized solar cell (DSSC) efficiencies have not significantly improved in recent years, primarily because of their single band gap design, limitations in dye absorption energies, and the Shockley-Queisser (SQ) limit. DSSCs require incident photon energy in the visible spectrum …
-
Dye sensitized solar cells: optimization of Grätzel solar cells towards plasmonic enhanced photovoltaics
… an alternate method of producing energy is using solar cells to convert sunlight into electrical energy through photovoltaic processes. Currently, the most widely commercialized solar cell is based on a single p-n junction with silicon. Silicon solar cells are able to obtain high efficiencies but …
-
Photoanode and counter electrode modification for more efficient dye sensitized solar cells
… an alternative energy source is critical. Solar energy is one of the most promising energy sources and solar cells are the devices that convert solar radiation into electricity. Currently, the most widely used solar cell is based on p-n junction formed with crystalline silicon materials. …
-
From Dye Sensitized Solar Cells to Organic Field Effect Transistors: A Computational Investigation into the Structural and Electronic Properties of Novel Phthalocyanines
… Finally, we propose a completely solid state dye sensitized solar cell (DSSC) design in which these chemically robust modified Pcs are sandwiched between n-TiO<sub>2</sub> and p-NiO, acting as both photosensitizer and electron shuttle. Through analysis of the electronic structure of the …
-
Photo-electrical conversion efficiency of dye sensitized solar cells prepared from Mopane leaf chlorophyll extract
… solutions is to develop a photovoltaic device (solar cells), since solar energy is abundant. Especially, Namibia receives solar radiation of 5.8 to 6.4 KWh per square meter per day – one of the highest in the world. With 8 to 11 average hours of sunshine per day throughout the year, this offers …
-
Structure-property relationships of dyes as applied to dye-sensitized solar cells
… of structural and photovoltaic properties of dyes used in dye-sensitized solar cells. Experimental methods, including ultraviolet-visible spectroscopy, fluorescence spectroscopy, cyclic voltammetry and electrochemical impedance spectroscopy are employed to study optical and electrochemical …