Cylindrical array luminescent solar concentrators: performance boosts by geometric effects

Videira, Jose Jh; Bilotti, Emiliano; Chatten, Amanda J.

doi:10.1364/oe.24.0a1188

Cited by 14 publications

(14 citation statements)

References 28 publications

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“…However, traditional square LSCs present difficulties in the coupling the output light to PV cells and to passive fibers for light guiding to remote locations. To overcome these limitations, a cylindrical LSC based on doped polymer optical fibers, namely fluorescent fiber solar concentrator (FFSC) appears to be a highly competent solution [11,12,13,14,15]. The structure of POFs adds several benefits, such as easy manipulation by the user, and easy butt-coupling to transparent optical fibers for light waveguiding, which allows spatial separation between the light harvesting system and the final system placement.…”

Section: Introductionmentioning

confidence: 99%

Characterization of Double-Doped Polymer Optical Fibers as Luminescent Solar Concentrators

et al. 2019

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This work reports on a diameter dependence analysis of the performance as luminescent solar concentrators of three self-fabricated polymer optical fibers (POFs) doped with a hybrid combination of dopants. The works carried out include the design and self-fabrication of the different diameter fibers; an experimental analysis of the output power, of the output irradiance and of the fluorescent fiber solar concentrator efficiency; a comparison of the experimental results with a theoretical model; a study of the performance of all the fibers under different simulated lighting conditions; and a calculation of the active fiber length of each of the samples, all of them as a function of the fiber core diameter. To the best of our knowledge, this paper reports the first analysis of the influence of the POF diameter for luminescent solar concentration applications. The results obtained offer a general perspective on the optimal design of solar energy concentrating systems based on doped POFs and pave the way for the implementation of cost-effective solar energy concentrating devices.

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Section: Introductionmentioning

confidence: 99%

Characterization of Double-Doped Polymer Optical Fibers as Luminescent Solar Concentrators

et al. 2019

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“…Moraitis et al [32] were able to modify the behavior of PVtrace to model anisotropic quantum dots, exploring the performance of three different types of nanocrystals with varying emission characteristics. Furthermore, Videira et al [33] achieved experimental alignment for cylindrical LSCs employing PVtrace to model both 2D and 3D configurations of LSCs.…”

Section: Existing MC Models In the Literaturementioning

confidence: 99%

An Open-Source Monte Carlo Ray-Tracing Simulation Tool for Luminescent Solar Concentrators with Validation Studies Employing Scattering Phosphor Films

et al. 2021

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Luminescent solar concentrators enhance the power output of solar cells through wave-guided luminescent emission and have great potential as building-integrated photovoltaics. Luminescent solar concentrators with a variety of geometries and absorbing–emitting materials have been reported in the literature. As the breadth of available experimental configurations continues to grow, there is an increasing need for versatile Monte Carlo ray-tracing simulation tools to analyze the performance of these devices for specific applications. This paper presents the framework for a Monte Carlo ray-tracing simulation tool that can be used to analyze a host of three-dimensional geometries. It incorporates custom radiative transport models to consider the effects of scattering from luminescent media, while simultaneously modeling absorption and luminescent emission. The model is validated using experimental results for three-dimensional planar and wedge-shaped luminescent solar concentrators employing scattering phosphor films. Performance was studied as a function of length, wavelength, and the angle of incidence of incoming light. The data for the validation studies and the code (written using the Python programming language) associated with the described model are publically available.

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“…[37] While this configuration is producing a huge increase of optical efficiency, the application as BIPV device is hindered by the complete lack of transparency. [41] Whereas the optical efficiency of the device has been reported to be positively affected by shaping the device in, for instance, an array of cylindrical LSCs, [42] the feasibility of these devices in a real BIPV application seems to be far from ideal and the efficiency enhancement not compensating for the increased fabrication costs. [38] Finally, the last feature that can be addressed within the LSC architecture is its shape: indeed the waveguide can be cast in different shapes other than the classical planar, such as circular, [39] cylindrical, [40] hexagonal, [40] or wedge-like.…”

Section: Device Configurationsmentioning

confidence: 99%

“…Finally, the last feature that can be addressed within the LSC architecture is its shape: indeed the waveguide can be cast in different shapes other than the classical planar, such as circular, cylindrical, hexagonal, or wedge‐like . Whereas the optical efficiency of the device has been reported to be positively affected by shaping the device in, for instance, an array of cylindrical LSCs, the feasibility of these devices in a real BIPV application seems to be far from ideal and the efficiency enhancement not compensating for the increased fabrication costs.…”

Section: Device Configurationsmentioning

confidence: 99%

The Renaissance of Luminescent Solar Concentrators: The Role of Inorganic Nanomaterials

Mazzaro

Vomiero

2018

Advanced Energy Materials

130

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While luminescent solar concentrators (LSCs) have a simple architecture—a transparent matrix embedding a luminescent fluorophore coupled with solar cells at the lateral side of the LSC slab—multiple paths for possible light losses exist. These are inherently interconnected, and in the past, limited the interest in this device, due to the gap between the theoretical possibilities and experimental achievements. This gap was a result, primarily, of the optical features of the luminescent dyes, since conventional organic luminophores are affected by limited performance in LSC devices. The rise of a wide portfolio of optically active inorganic nanomaterials in the last decade provides an alternative to organic dyes and has lead to a renaissance in the role of LSCs among the unconventional solar energy conversion devices. This paper reviews the latest results in the development of LSCs based on different classes of nanomaterials, focusing on the specific features and critically analyzing the pros and cons of the proposed structures. Particular attention is devoted to the role of the luminescence properties, e.g., the Stokes shift and the photoluminescence quantum yield, with respect to the performance of the LSC device. Future challenges to the successful employment of these devices for building integrated photovoltaics are also discussed.

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Cylindrical array luminescent solar concentrators: performance boosts by geometric effects

Cited by 14 publications

References 28 publications

Characterization of Double-Doped Polymer Optical Fibers as Luminescent Solar Concentrators

Characterization of Double-Doped Polymer Optical Fibers as Luminescent Solar Concentrators

An Open-Source Monte Carlo Ray-Tracing Simulation Tool for Luminescent Solar Concentrators with Validation Studies Employing Scattering Phosphor Films

The Renaissance of Luminescent Solar Concentrators: The Role of Inorganic Nanomaterials

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