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 20 of 30 for “"solar concentrators"”.
-
Optimization of luminescent solar concentrators
… the efficiencies of renewable energy harvesting. Solar industry is one of the main sectors in which cutting edge research is done to facilitate this improvement. Luminescent Solar Concentrators (LSCs) are part of this effort. They are used to improve the incident light influx into the solar cell …
-
Dye-doped polymer nanoparticles for flexible, bulk luminescent solar concentrators
Bulk luminescent solar concentrators (LSC) cannot make use of Forster resonance energy transfer (FRET) due to necessarily low dye concentrations. In this thesis, we attempt to present a poly-vinylalcohol (PVA) waveguide containing dye-aggregate polystyrene nanospheres that enable FRET at …
-
Forster Resonance Energy Transfer in materials used in Luminescent Solar Concentrators
Luminescent solar concentrators (LSCs) or fluorescent concentrators are a cheap and efficient way to concentrate sun light into a photovoltaic cell. Solar cells can be made to perform better under high illumination conditions and LSCs can be employed to perform this task. Effective utilization of …
-
Lifetime and efficiency improvement of organic luminescent solar concentrators for photovoltaic applications
… while converting the unwanted invisible solar radiation into electricity. Research has focussed on two particular aspects, namely (i) the integration of thin-film technology for solar radiation transmission control and (ii) light guiding structures for solar radiation routing towards the …
-
Engineering the optical properties of luminescent solar concentrators at the molecular scale
Luminescent Solar Concentrators (LSCs) concentrate solar radiation onto photovoltaic (PV) cells using an inexpensive collector plate to absorb incoming photons and waveguide fluorescently re-emitted photons to PVs at the edge. This thesis addresses the two main energy loss mechanisms in LSCs, …
-
Sensitized energy transfer for organic solar cells, optical solar concentrators, and solar pumped lasers
… several advantages to the design of organic solar cells and luminescent solar concentrators (LSCs) for the end goal of achieving a lower cost solar energy generation. This thesis explores three new device architectures to overcome limited solar absorption in singlet-exciton-fission based …
-
Design of high-performance luminescent solar concentrators based on aggregation-induced emitters in organic-inorganic hybrid waveguides
Solar-harvesting systems that have the potential to be integrated into the urban built environment have attracted significant interest. However, traditional solar panels are not well-suited for many modern architectures, due to their bulky and rigid structure, and reduced performance in diffuse …
-
On the dynamics, navigation and control of a spacecraft formation of solar concentrators in the proximity of an asteroid
… of this dissertation is to ascertain whether solar sublimation is a viable method for the deflection of a Near Earth Asteroid. From a research view point, the methods and analysis are applicable to proximal motion around a celestial body, in particular one with a non-Keplerian or irregular …
-
Capture and control of excitations
… their performance. Devices such as luminescent solar concentrators and signal concentrators that increase the efficiency of solar energy production and the speed of point-to-point communication, respectively, will be crucial for maximizing the sustainability and connectedness of the world going …
-
Colloidal CdSe/CdS nanostructures : synthesis, optical characterization and applications
… use them to create highly performing luminescent solar concentrators. In the first part of the thesis we will discuss our efforts to improve the synthesis of CdSe/CdS nanostructures of different dimensionalities. In particular, we discuss the synthesis of CdSe/CdS quantum dots and seeded CdSe/CdS …
-
Organic photovoltaics and concentrators
… the design of organic photovoltaics and organic solar concentrators for the ultimate end goal of achieving a lower cost solar electric conversion. In this work, we explore two new device architectures. In antenna organic solar cells, we utilize external energy transfer mediated by surface plasmon …
-
Luminescent solar concentrator structures for solar energy harvesting and radiation control
Luminescent solar concentrators are devices capable of converting some spectral components of solar radiation by luminescence and concentrating them before collection by photovoltaic. The aim of this thesis is to design, develop and demonstrate the principle of all-inorganic semitransparent …
-
Analysis and Optimization of the Scheffler Solar Concentrator
<p>The Scheffler reflector is a new solar concentrator design which maintains a fixed focus while only having a single axis tracking mechanism. This design makes the construction and operation of high temperature solar concentrators accessible to developing nations. In this project, I wrote …
-
Design of inflatable solar concentrator
Solar concentrators improve the performance of solar collection systems by increasing the amount of usable energy available for a given collector size. Unfortunately, they are not known for their light weight and portability, which is ideal for basic applications like solar cooking. The goal of the …
-
Theoretical investigation of Stokes shifts and reaction pathways
Solar thermal fuels and fluorescent solar concentrators provide two ways in which the energy from the sun can be harnessed and stored. While much progress has been made in recent years, there is still much more to learn about the way that these applications work and more efficient materials are …
-
Design of a compact, lightweight, and low-cost solar concentrator
… to improve the current design of large and heavy solar concentrators. The three main design goals were: making the system compact, making the system lightweight, and minimizing expenses. The main approach to achieving these design parameters was to use the plastic film Mylar in its aluminized form …
-
Review of solar thermoelectric energy conversion and analysis of a two cover flat-plate solar collector
The process of solar thermoelectric energy conversion was explored through a review of thermoelectric energy generation and solar collectors. Existing forms of flat plate collectors and solar concentrators were surveyed. A thermal analysis of a common two-cover flat plate solar collector was then …
-
Integrated method to create optimal dynamic strategic plans for corporate technology start-ups
… approach by applying it to a start-up project in solar concentrators, done from the perspective of a corporate sponsor.
-
Perovskite interfaces with protective zinc compounds – DFT computation and related experiments
… are expected to enable efficient luminescent solar concentrators (LSCs), paving the way for scalable solar energy harvesting in urban environments.
Page 1 of 2