Relevant bibliographies by topics / Luminescent Solar Concentrators

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Luminescent Solar Concentrators'

Author: Grafiati
Published: 4 June 2021
Last updated: 10 March 2023

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Journal articles on the topic "Luminescent Solar Concentrators"

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Flores Daorta, Sthy, Antonio Proto, Roberto Fusco, Lucio Claudio Andreani, and Marco Liscidini. "Cascade luminescent solar concentrators." Applied Physics Letters 104, no. 15 (April 14, 2014): 153901. http://dx.doi.org/10.1063/1.4871481.

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Rousseau, I., and V. Wood. "Nanophotonic luminescent solar concentrators." Applied Physics Letters 103, no. 13 (September 23, 2013): 131113. http://dx.doi.org/10.1063/1.4823538.

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Gajic, Maja, Fabio Lisi, Nicholas Kirkwood, Trevor A. Smith, Paul Mulvaney, and Gary Rosengarten. "Circular luminescent solar concentrators." Solar Energy 150 (July 2017): 30–37. http://dx.doi.org/10.1016/j.solener.2017.04.034.

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Mohan, Brindha V. G., V. Vasu, V. Vasu, A. Robson Benjamin, and M. Kottaisamy. "Luminescent Solar Concentrators – The Solar Waveguides." Current Science 114, no. 08 (April 25, 2018): 1656. http://dx.doi.org/10.18520/cs/v114/i08/1656-1664.

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Knowles, Kathryn E., Troy B. Kilburn, Dane G. Alzate, Stephen McDowall, and Daniel R. Gamelin. "Bright CuInS2/CdS nanocrystal phosphors for high-gain full-spectrum luminescent solar concentrators." Chemical Communications 51, no. 44 (2015): 9129–32. http://dx.doi.org/10.1039/c5cc02007g.

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Experimental and computational analyses demonstrate that CuInS2/CdS nanocrystals with large solar absorption, high quantum yields, and only moderate luminescence reabsorption excel as phosphors for full-spectrum luminescent solar concentrators.
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Bradshaw, Liam R., Kathryn E. Knowles, Stephen McDowall, and Daniel R. Gamelin. "Nanocrystals for Luminescent Solar Concentrators." Nano Letters 15, no. 2 (January 20, 2015): 1315–23. http://dx.doi.org/10.1021/nl504510t.

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Sutherland, Brandon R. "Cost Competitive Luminescent Solar Concentrators." Joule 2, no. 2 (February 2018): 203–4. http://dx.doi.org/10.1016/j.joule.2018.02.004.

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Neuroth, N., and R. Haspel. "Glasses for luminescent solar concentrators." Solar Energy Materials 16, no. 1-3 (August 1987): 235–42. http://dx.doi.org/10.1016/0165-1633(87)90023-2.

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Frias, Ana R., Sandra F. H. Correia, Margarida Martins, Sónia P. M. Ventura, Edison Pecoraro, Sidney J. L. Ribeiro, Paulo S. André, Rute A. S. Ferreira, João A. P. Coutinho, and Luís D. Carlos. "Sustainable Liquid Luminescent Solar Concentrators." Advanced Sustainable Systems 3, no. 3 (January 9, 2019): 1800134. http://dx.doi.org/10.1002/adsu.201800134.

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Mulder, Carlijn L., Luke Theogarajan, Michael Currie, Jonathan K. Mapel, Marc A. Baldo, Michael Vaughn, Paul Willard, et al. "Luminescent Solar Concentrators Employing Phycobilisomes." Advanced Materials 21, no. 31 (August 21, 2009): 3181–85. http://dx.doi.org/10.1002/adma.200900148.

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Dissertations / Theses on the topic "Luminescent Solar Concentrators"

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Green, Adam. "Optical properties of luminescent solar concentrators." Thesis, University of Sheffield, 2014. http://etheses.whiterose.ac.uk/8361/.

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This thesis on luminescent solar concentrators (LSC) presents work carried out as part of the Electronic and Photonic Molecular Materials (EPMM) group of the department of physics and astronomy at the University of Sheffield. The work is presented in five experimental chapters looking at a range of research aspects from film deposition and measurement instrumentation, to exploring LSC optical properties and device performances by spectral based analytical methods. A Gauge R & R (GRR) study design is used to assess sources of variance in an absolute fluorescence quantum yield measurement system involving an integration sphere. The GRR statistics yield the total variance split into three proportions; equipment, day-to-day and manufacturing variances. The manufacturing variance, describing sample fabrication, was found to exhibit the smallest contribution to measurement uncertainty. The greatest source of variance was found to be from fluctuations in the laser intensity whose uncertainty is carried into the quantum yield determination due to not knowing the exact laser intensity at the time of measurement. The solvation phenomenon is explored as a potential way to improve LSC device yields; this occurs due to excitation induced changes to a fluorophore's dipole moment which leads to a response by the surrounding host medium resulting in shifts in fluorophore emission energy. This effect is shown to improve self-absorption efficiency by reducing the overlap of absorption and emission for particular organic fluorophores. This is expected to greatly improve energy yields but current dopant materials are too costly to employ according to the cost evaluations of this thesis. A spray coating deposition tool is considered for the deposition of thin film coatings for bi-layer LSC devices. A screening study design of experiment is constructed to ascertain the level of control and assess the tool's ability to meet thin film requirements. Despite poor control over the roughness of the thin film layer this property was found to lie close to the acceptable roughness limit in most samples. The biggest issue remains the film thickness achieved by the deposition, which was an order of magnitude too small according to Beer-Lambert absorption models. This spray-coating tool is thus unsuitable for the requirements of a bi-layer LSC. Concentration quenching is explored in the context of LSC device efficiency. Different fluorophores are seen to exhibited varied quenching decay strengths by looking at quantum yield versus fluorophore concentration. For two fluorophores, 4-(Dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran (DCM) and 2,3,6,7-Tetrahydro-9-methyl-1H,5H-quinolizino(9,1-gh)coumarin (C102), the quenching process is explored further using quantum yield and lifetime measurements to extract the quenching rate from rate equations. The form of the quenching rate as a function of molecular separation is shown to be of a monomial power law but distinct from the point-like dipole-dipole coupling of Förster resonant energy transfer (FRET). Additional quenching modes including surface-point and surface-surface interactions are considered to explain the power law form. Spectral analytical models have been constructed to model performance metrics for square-planar LSC devices. In this model the input solar irradiance is considered to be incident normal to the LSC collection face. Device thickness optimisation is explored to ensure maximisation of the absorption efficiency by the fluorophore using Beer-Lambert absorption modelling. The normalised fluorophore emission spectrum is converted to an equivalent irradiant intensity spectrum based on the amount of energy absorbed. Propagation of this energy through the LSC structure is considered in terms of the mean path length of light rays waveguided by total internal reflection and again Beer-Lambert absorption modelling. Self-absorption and host transport losses are included in some detail. Out-coupling of LSC irradiance at the harvesting edges to connected solar cells is then modelled, using c:Si and GaAs power conversion efficiency spectra, and the resultant power output performance can therefore be estimated. Comparison with real devices from literature show that the model works reasonably well compared to these single device configurations and is somewhat conservative in its estimates. Cost efficiency models based on reasonable assumptions conclude the scope of this work showing that current materials fall short of delivering competitive energy solutions by at least factor of 2 in the case of the best dye modelled here.
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Farrell, Daniel James. "Characterising the performance of luminescent solar concentrators." Thesis, Imperial College London, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.506109.

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Fisher, Martyn. "Optimization and novel applications of luminescent solar concentrators." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/24691.

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The luminescent solar concentrator (LSC) was first proposed in the 1970s as a means to reduce the high cost of generating solar energy. The basic design was simple: a large transparent plate doped with an appropriate luminescent material which is able to absorb both direct and diffuse sunlight, and then guide photons produced by photoluminescence to its narrow edges where they are converted by photovoltaic cells. Unfortunately, the LSC has suffered from numerous efficiency losses and short lifetimes. Therefore, new luminescent species and novel approaches are needed for its practical application. Novel luminescent species studied in this thesis include arrays of vertical, self-aligned CdSe/CdS nanorods. The nanorods emit preferentially in the waveguiding plane and were characterised to ascertain the extent of self-alignment, and to determine their viability and this alignment technique for LSCs. Furthermore, a number of generations of bio-derived Phycobillisomes, a light absorbing pigment found in species of red algae, have been also been investigated and are a possible source of cheap and abundant luminescent material. Lastly, several luminescent species consisting of metal complexes and oligomers with high Stokes-shift were investigated. High Stokes-shift materials are essential if LSC efficiencies are to be increased as they mitigate the re-absorption that generally constitutes the dominant loss mechanism. This thesis features two novel LSC applications. The first is a large area, flexible LSC system for portable power generation. Computational raytrace simulations reveal the device is feasible but will require high Stokes-shift materials. The second novel approach utilises a tandem LSC system in conjunction with a photoelectrochemical cell (PEC). In the tandem design the upper concentrator provides blue light to excite a Fe2O3 photoanode for water oxidation while the lower concentrator provides red light that is converted by Si cells producing sufficient voltage to enable hydrogen production at a Pt electrode contained within the PEC.
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Raeisossadati, Mohammadjavad. "Luminescent solar concentrators to increase microalgal biomass productivity." Thesis, Raeisossadati, Mohammadjavad (2020) Luminescent solar concentrators to increase microalgal biomass productivity. PhD thesis, Murdoch University, 2020. https://researchrepository.murdoch.edu.au/id/eprint/55549/.

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Light is the main limiting factor of any mass microalgal cultivation resulting in relatively low biomass productivity in raceway ponds. Microalgal cells in open ponds are normally photoinhibited on the surface and photolimited at the depth of the cultures where there is total darkness. Delivering light to the microalgal cells at the depth of cultures in large scale raceway ponds can increase biomass productivity. Luminescent solar concentrators (LSCs) can potentially be an economical light-diffusing system to be used in algal biotechnology. The main advantage of luminescent solar concentrators is that a solar tracking system is not needed. This results in less cost compared to other diffusing systems. Luminescent particles such as organic dyes or quantum dots (QDs) are the main constituents of LSCs. Luminescent particles absorb photons when light hits the surface of LSCs and the absorbed light is reflected internally and emitted from the edges at a longer wavelength. To the best of my knowledge, to date, there have been no attempts in using LSCs as a light guide for the growth of microalgae in any open system. Thus, the main aim of this study was to evaluate the effect of LSCs as a light guide to deliver light to the depth of microalgal cultures in raceway ponds to increase both biomass and high-value productivities. To assess the viability and efficacy of the LSCs system in an algal raceway pond, it is first necessary to select the most suitable microalgae species for this purpose. Three species, Arthrospira platensis (MUR 129), Scenedesmus sp. (MUR 268) and Chlorella sp. (MUR 269). were chosen for a laboratory experiment to investigate the effect of red and blue LSCs on the productivity of cultures. Arthrospira platensis showed up to 9% higher productivity when red LSCs were used compared to control and blue LSCs. The biomass productivity of Scenedesmus sp. cultures under red LSCs was also 30% and 4.5% higher compared to that in control and blue LSCs. The growth rate of Chlorella sp. cultures did not improve under red and blue LSCs. Furthermore, Scenedesmus sp. culture resulted in 30% higher cell density in cultures with red LSCs compared to that in control. Thus, Arthrospira platensis and Scenedesmus sp. were chosen as the most suitable species for further outdoor investigations using micro raceway ponds. In the next stage, Arthrospira platensis and Scenedesmus sp., were grown using red and blue LSCs and compared with control cultures with no LSCs using micro raceway ponds (0.1 m2) with the final culture volume of 21.5 L. The LSCs were installed on the edge of raceway ponds to have 200 mm of a panel inside the raceway pond and 100 mm of the panel out of the pond facing the sun to collect visible and diffuse light from sunlight, downgrade and, transfer it to the depth of A. platensis cultures. The bottom part of LSCs inside the A. platensis culture was also laser-cut to have enough surface area to increase the irradiance. Arthrospira platensis cultures when grown with red LSCs, reached a significantly higher biomass yield (1.77 ± 0.014 g L−1) compared to control (1.53 ± 0.002 g L−1) and blue LSCs (1.59 ± 0.056 g L−1). The biomass productivity of 57 ± 3.2 mg L−1 d−1 (12.2 g m−2 d−1) was obtained when Arthrospira cultures in raceway ponds were equipped with red LSCs. This was 24% and 26% higher than the biomass productivity of Arthrospira cultures when grown in raceway ponds with blue LSCs and control. There was no significant difference between the productivity of Arthrospira cultures with blue LSCs and control. Furthermore, the maximum phycocyanin productivity in Arthrospira cultures with red LSCs was 8.49 ± 0.9 mg L−1 d−1, which was 14% and 44% higher than that in cultures with blue LSCs and control cultures. In addition, the phycocyanin content of A. platensis was 136 mg L−1 (77 mg gbiomass−1) and 141 mg L−1 (89 mg gbiomass−1) under red and blue LSCs, respectively. The results of showed that red LSCs can significantly increase Arthrospira’s growth and productivity. Based on the outcome of this study, only red LSCs were applied to outdoor Scenedesmus sp. cultures in the next experiment. When grown with red LSCs, Scenedesmus sp. cultures reached a higher cell density compared to the control. Furthermore, the maximum specific growth rate (µ) of Scenedesmus sp. cultures with red LSCs was 16% higher than control with no LSCs. The biomass productivity of 43.6 ± 1.3 mg L-1 d-1 (9.4 g m-2 d-1) was obtained for Scenedesmus sp. cultures equipped with red LSCs which was 18.5% higher than that for Scenedesmus sp. cultures when grown in raceway ponds with no LSCs. Further, the protein content of Scenedesmus sp. under red LSCs was 436 mg gbiomass-1 (43.6%) which was 17.5% higher than that in control. The lipid content of Scenedesmus cultures under red LSCs (133 mg gbiomass-1) was also 10% higher compared to control with no LSCs. However, the carbohydrate content of Scenedesmus sp. cultures with red LSCs and control was not significantly different. The results of all indoor and outdoor experiments showed that using red LSCs on Arthrospira platensis and Scenedesmus sp. cultures was promising. More light availability to microalgal cells into the depth of the cultures is the most likely reason for having higher productivity in cultures with red LSCs. From the energy perspective, the results showed that the total amount of photosynthetic active radiation (PAR) available for A. platensis and Scenedesmus sp. cells at the depth of each pond emitting from four red LSCs is 34 µmol photons s−1. In other words, using red LSCs in each outdoor raceway pond bring about 34 µmol photons s−1 more light to the depth of A. platensis and Scenedesmus sp. cultures. This means injecting 34 µmol photons s−1 deep into the A. platensis and Scenedesmus sp. cultures where it would otherwise be in full darkness. This helps move the light from the photosaturated surface to the depth of the microalgal cultures. Moreover, based on the mixing rate, the thickness of the LSCs and surfaces of each red LSC, A. platensis and Scenedesmus sp. cells received brief bursts of light when they pass an edge and a surface of LSCs. For instance, considering PAR emitting from an edge of a red LSC (110 Wm−2/506 µmol photons m−2 s−1), A. platensis and Scenedesmus sp. cells received around 506 µmol photons m−2s−1 in 27 ms from each edge and 276 µmol photons m−2 s−1 in 218 ms when they pass each surface of a red LSC. In other words, it can be said that A. platensis and Scenedesmus sp. cells with red LSCs received brief bursts of light with different intensities for durations less than a second inside the cultures while there was total darkness for the cultures without LSCs. Finally, the costs of biomass and phycocyanin production using luminescent solar concentrators as a light delivering system on an industrial scale raceway pond cultivation of Arthrospira was assessed. The results showed that using red luminescent solar concentrators would result in a biomass and phycocyanin production costs of AU$ 3.16 and AU$ 125 per kg, respectively, which are 14% and 35% lower than the corresponding costs in a conventional raceway pond with no LSCs. The biomass and phycocyanin production costs of Arthrospira cultivation in conventional raceway ponds (with no LSCs) were AU$ 3.67 and AU$ 187 per kg, respectively. These results showed that using LSCs for growing Arthrospira can significantly lower the cost of biomass and phycocyanin production if the same size production facility is used. In conclusion, this study clearly showed that using LSCs in a raceway open ponds can be a promising method to increase the biomass productivity of a microalgal culture while reducing the production costs of biomass and the desired high-value product.
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El, Mouedden Yamna. "Lifetime and efficiency improvement of organic luminescent solar concentrators for photovoltaic applications." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2016. https://ro.ecu.edu.au/theses/1779.

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In order to achieve the goal of zero net-energy consumption in residential and commercial buildings, substantial research has been devoted to developing methods for energy harvesting from window glass that is capable of passing visible light through the windows of buildings 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 edges of the glass window. Recently, photovoltaic (PV) solar cells have been investigated and promoted as products for converting solar energy into electricity. Due to the increased demand for renewable energy sources, the manufacture of PV panels’ arrays has advanced considerably. However, they cannot compete with fossil fuel or nuclear energy, due to the high cost of inorganic solar cells and their low power conversion efficiency (PCE). To lower the cost per installed capacity ($/Watt) and to use the complete solar spectrum, new PV technologies have been developed, such as solar concentrators. Among the many kinds of concentrators, luminescent solar concentrators (LSCs) have significant industry application potential. Materials used in LSCs are inexpensive, the solar cell size is reduced and no tracking of the sun is required. In an LSC, the incident sunlight is absorbed by luminescent species, such as fluorescent dyes, quantum dots or rare-earth ion embedded in the active layer (organic or inorganic), which re-emits light in random directions usually at longer wavelengths. In an ideal LSC, all the re-emitted light can be routed towards the edges, where the attached small-area solar cells harvest the light and convert it into electricity. In this thesis, several contributions are made toward the development of organic LSCs. The first contribution is related to the design and development of multilayer thin film structures containing dielectric and metal layers, using physical vapour deposition, for the control of thermal and solar radiation propagated through glass windows. Measured transmittance spectra for the developed thin-film structures are in excellent agreement with simulation results. For the second contribution, a cost-effective, long-life-time organic LSC device with UV epoxy as a waveguide layer doped by two organic materials is developed. A PCE as high as 5.3% and a device lifetime exceeding 1.0×105 hrs are experimentally achieved. The third contribution of the thesis is the development of a general method for encapsulating organic LSCs, based on employing three optically transparent layers, (i) an encapsulating epoxy layer and (ii) two insulating SiO2 layers that prevent the dye dissolving into the epoxy layer. The encapsulated organic LSCs demonstrate an ultra-long lifetime of ~ 3.0×104 hrs and 60% transparency when operated in an ambient environment, of around 5 times longer than that of organic LSCs without encapsulation. Finally, the last contribution of the thesis is the development of a new LSC architecture that mitigates the reabsorption loss typically encountered in LSCs. Experimental results demonstrate significant reduction in photon reabsorption, leading to a 21% increase in PCE, in comparison with conventional LSCs.
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Bose, Rahul. "Raytrace simulations and experimental studies of luminescent solar concentrators." Thesis, Imperial College London, 2012. http://hdl.handle.net/10044/1/23272.

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The luminescent solar concentrator is a planar, non-tracking device. Originally introduced more than three decades ago, it has yet to establish itself as a means of making photovoltaic solar energy more cost effective. Advances in organic luminescent centres, the emergence of inorganic nanocrystals and the development of new light trapping techniques have created promising opportunities for the LSC. This thesis investigates novel geometries and materials for the practical exploitation of LSCs. The research is based on experimental measurements as well as computational simulations using a Raytrace Model. It is shown both experimentally and computationally that a thin- lm structure produces the same effciency as a homogeneously doped LSC. Two building integrated applications are examined. The rst one is a power generating window employing a Lumogen Violet dye that absorbs short wavelength radiation and is mostly transparent in the visible. Annual yields of over 23 kWh/m2 and a conversion effciency of over 1% are predicted for a 50 cm by 50 cm device. The second BIPV application is the light-bar, which is designed to act as the secondary concentrator in a Venetian blind-like system. With linear Fresnel lenses producing a primary concentration factor of 20, an optimised system could generate nearly 60W/m^2 of power at an effciency of nearly 6% using direct sunlight only. Two novel luminescent materials, nanorods and phycobilisomes have been tested for their potential to reduce re-absorption losses. Despite current practical limitations, these materials are found to be promising due to enhanced Stokes shifts. LSCs with optical concentrations of 10 to 20 could be feasible by addressing the key shortcomings in the form of unabsorbed light and escape cone losses. Their versatility with regards to shape, colour and light absorption makes LSCs particularly relevant for building integrated photovoltaics.
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Sholin, Veronica. "Luminescent solar concentrators and all-inorganic nanoparticle solar cells for solar energy harvesting /." Diss., Digital Dissertations Database. Restricted to UC campuses, 2008. http://uclibs.org/PID/11984.

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Rosenberg, Ron S. B. Massachusetts Institute of Technology. "Dye-doped polymer nanoparticles for flexible, bulk luminescent solar concentrators." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/81143.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2013.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 52-56).
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 concentrations below that required for the bulk LSC due to dye confinement. In the aqueous state, the maximum achieved energy transfer efficiency of the dye-doped nanoparticles was found to be 8 7% for lwt%/lwt% doping of Coumarin 1 (C1) and Coumarin 6 (C6). In the solid state, however, energy transfer is lost, reducing to 32.8% and 20.1% respectively for the C1(lwt%)/C6(lwt%) and C1(0.5wt%)/C6(lwt/ ) iterations, respectively. Presumably, the dyes leach out of the polystyrene nanospheres and into the PVA waveguide upon water evaporation during drop casting.
by Ron Rosenberg.
S.B.
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Correia, Sandra Filipa Henriques. "Organic-inorganic hybrid materials for green photonics: luminescent solar concentrators." Doctoral thesis, Universidade de Aveiro, 2017. http://hdl.handle.net/10773/17407.

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Doutoramento em Física
Luminescent solar concentrators are inexpensive devices that aim to increase the efficiency of photovoltaic cells and promote the urban integration of photovoltaic devices, with unprecedented possibilities of energy harvesting through the façade of buildings, urban furniture or wearable fabrics. Generally, they consist of a transparent matrix coated or doped with active optical centres that absorb the incident solar radiation, which is re-emitted at a specific wavelength and transferred by total internal reflection to the edges where the photovoltaic cells are located. The main objective of this work is the production of luminescent solar concentrators whose optically active layer is based on organic-inorganic hybrid materials doped with europium ions or organic dyes, in particular, Rhodamine 6G and Rhodamine 800. Rhodamine 800, as opposed to europium ions and Rhodamine 6G which emit in the visible range, emits in the near infrared (NIR) range, which is an advantage for crystalline Si-based photovoltaic cells, whose efficiency is greater in the NIR. In this work, although the luminescent solar concentrators with planar geometry are addressed, the main focus is the use cylindrical geometry. The use of this type of geometry allows the effect of concentration to be higher relative to the planar geometry, since the ratio between the exposed area and the area of the edges is increased. The cylindrical geometry is exploited by producing luminescent solar concentrators based on polymer optical fibre (plastic) where the optically active layer is on the outside (as a coating) or inside (as a filling in the hollow core) of the optical fibre. Furthermore, the possibility of increasing the exposed area was also dealt with the production of bundles of luminescent solar concentrators in which the plastic optical fibres are placed side by side and, also, by fabricating luminescent solar concentrators with length in the metre scale.
Os concentradores solares luminescentes são dispositivos de baixo custo que têm como objetivo aumentar a eficiência de células fotovoltaicas e promover a integração de dispositivos fotovoltaicos em elementos do dia-a-dia, tornando possível a captura de energia solar, através da fachada de edifícios, mobiliário urbano ou em têxteis. Geralmente, consistem numa matriz transparente coberta ou dopada com centros óticos ativos, capazes de absorver a radiação solar incidente e reemiti-la com um comprimento de onda específico que será transportada, através de reflexão interna total, para as extremidades da matriz onde se encontra(m) a(s) célula(s) fotovoltaica(s). O principal objetivo deste trabalho consiste na produção de concentradores solares luminescentes cuja camada ótica ativa é baseada em materiais híbridos orgânicos-inorgânicos dopados com iões lantanídeos (európio, Eu3+) ou corantes orgânicos, nomeadamente, Rodamina 6G e Rodamina 800. A Rodamina 800, ao contrário dos iões de európio e da Rodamina 6G que emitem na gama do visível, emite na região espetral do infravermelho próximo (NIR), que se revela uma vantagem quando a célula fotovoltaica em uso é composta de silício cristalino, cuja gama de maior eficiência é no NIR. Neste trabalho, apesar de serem abordados concentradores solares luminescentes com geometria planar, o principal foco é a utilização da geometria cilíndrica. Este tipo de geometria permite que o efeito de concentração seja superior, relativamente à geometria planar, uma vez que a razão entre a área exposta e a área das extremidades é aumentada. A geometria cilíndrica é explorada, através da produção de concentradores solares luminescentes com base em fibra ótica polimérica (plástica) em que a camada ótica ativa se encontra no exterior (como um revestimento) ou no interior (como um preenchimento do núcleo oco). Além disso, a possibilidade de aumentar a área exposta foi, também, abordada com o fabrico de uma matriz de concentradores solares luminescentes colocados lado a lado e, também, com o fabrico de concentradores solares luminescentes na escala do metro.
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Mulder, Carlijn Lucinde. "Engineering the optical properties of luminescent solar concentrators at the molecular scale." Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/71482.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2012.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 121-128).
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, namely transport losses and trapping losses. We used phycobilisomes, a biological light-harvesting complex, as dyes in the LSC collector to circumvent transport losses caused by photon re-absorption. The selfassembled structure of phycobilisomes couples numerous donor chromophores to a handful of acceptor chromophores through an internal F6rster energy pathway that isolates the absorption and emission spectra. We established that energy transfer within intact phycobilisomes reduces LSC self-absorption losses by approximately (48±5)% by comparing intact and partly decoupled phycobilisome complexes. To reduce trapping losses in LSCs, we leveraged the anisotropic emission pattern of dichroic dye molecules. We aligned their dipole moments normal to the face of the waveguide by embedding them in a liquid crystal host. Vertical dye alignment increased the fraction of the power emitted below the critical angle of the waveguide, thereby raising the trapping efficiency to 81% from 66% for LSCs with unaligned dyes. The enhanced trapping efficiency was preserved for geometric gains up to 30, and an external diffuser can enhance absorption in LSCs with vertically-aligned dyes. This thesis also explores an energy harvesting strategy for portable electronics based on LSCs with dye molecules that are aligned in-plane. The purely absorptive polarizers used to enhance contrast ratios in displays can be replaced with two linearly polarized luminescent concentrators (LSCs) that channel the energy of absorbed photons to PVs at the edge of the display. We coupled up to 40% of incoming photons to the edge of a prototype LSC that also achieved a polarization selection ratio of 3. Finaly, we investigated the contribution of self-absorption and optical waveguiding to triplet exciton transport in crystalline tetracene (Tc) and rubrene (Rb). A timeresolved imaging technique that maps the triplet distribution showed that optical waveguiding dominates over diffusion and can transport energy several micrometers at the high excitation rates commonly used to probe the exciton diffusion constants in organic materials.
by Carlijn Lucinde Mulder.
Ph.D.
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Book chapters on the topic "Luminescent Solar Concentrators"

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Beverina, Luca, and Alessandro Sanguineti. "Organic Fluorophores for Luminescent Solar Concentrators." In Solar Cell Nanotechnology, 317–55. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118845721.ch13.

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Lim, Yun Seng, Shin Yiing Kee, and Chin Kim Lo. "Recent Research and Development of Luminescent Solar Concentrators." In Solar Cell Nanotechnology, 271–91. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118845721.ch11.

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Zhao, Haiguang. "Perovskite Quantum Dots Based Luminescent Solar Concentrators." In Perovskite Quantum Dots, 219–42. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6637-0_8.

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Tonezzer, M., D. Gutierrez, and D. Vincenzi. "Luminescent Solar Concentrators - State of the Art and Future Perspectives." In Solar Cell Nanotechnology, 293–315. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118845721.ch12.

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Liu, Guiju, Xiaohan Wang, Guangting Han, and Haiguang Zhao. "Core/Shell Quantum-Dot-Based Luminescent Solar Concentrators." In Core/Shell Quantum Dots, 287–314. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-46596-4_9.

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Reisfeld, Renata. "Luminescent Solar Concentrators and the Ways to Increase Their Efficiencies." In The Sol-Gel Handbook, 1281–308. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2015. http://dx.doi.org/10.1002/9783527670819.ch41.

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Elikkottil, Ameen, Kiran Vaddi, K. S. Reddy, and Bala Pesala. "Reduction of Escape Cone Losses in Luminescent Solar Concentrators Using High-Contrast Gratings." In Advances in Energy Research, Vol. 1, 37–43. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-2666-4_5.

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Debije, Michael. "The Luminescent Solar Concentrator (LSC)." In Photovoltaic Solar Energy, 420–30. Chichester, UK: John Wiley & Sons, Ltd, 2017. http://dx.doi.org/10.1002/9781118927496.ch38.

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Buffa, Marta, and Michael G. Debije. "Dye-Doped Polysiloxane Rubbers for Luminescent Solar Concentrator Systems." In High-Efficiency Solar Cells, 247–66. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-01988-8_9.

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Chandra, S., and S. J. McCormack. "Plasmonic Coupling Enhanced Absorption and Fluorescence Emission in Thin Film Luminescent Solar Concentrator." In Renewable Energy and Sustainable Buildings, 149–59. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-18488-9_11.

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Conference papers on the topic "Luminescent Solar Concentrators"

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Baldo, Marc. "Luminescent Solar Concentrators." In Optics and Photonics for Advanced Energy Technology. Washington, D.C.: OSA, 2009. http://dx.doi.org/10.1364/energy.2009.thd4.

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Ferry, Vivian E. "Nanophotonic Luminescent Solar Concentrators." In Optical Nanostructures and Advanced Materials for Photovoltaics. Washington, D.C.: OSA, 2015. http://dx.doi.org/10.1364/pv.2015.pw3b.1.

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Gutmann, Johannes, Marius Peters, Benedikt Bläsi, Martin Hermle, Hans Zappe, and Jan Christoph Goldschmidt. "Towards photonic luminescent solar concentrators." In SPIE Solar Energy + Technology, edited by Loucas Tsakalakos. SPIE, 2011. http://dx.doi.org/10.1117/12.893104.

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de Boer, Dick K. G. "Luminescent and Non-Luminescent Solar Concentrators: Challenges and Progress." In Optics for Solar Energy. Washington, D.C.: OSA, 2011. http://dx.doi.org/10.1364/ose.2011.srthb6.

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de Boer, Dick K. G., Cees R. Ronda, Wilco Keur, and Andries Meijerink. "New luminescent materials and filters for luminescent solar concentrators." In SPIE Solar Energy + Technology, edited by Kaitlyn VanSant and Raed A. Sherif. SPIE, 2011. http://dx.doi.org/10.1117/12.893902.

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Chatten, Amanda. "Luminescent Solar Concentrators: Applications and Advances." In Optics for Solar Energy. Washington, D.C.: OSA, 2011. http://dx.doi.org/10.1364/ose.2011.srwb2.

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van Sark, W. G. J. H. M. "Recent developments in luminescent solar concentrators." In SPIE Solar Energy + Technology, edited by Oleg V. Sulima and Gavin Conibeer. SPIE, 2014. http://dx.doi.org/10.1117/12.2061295.

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Partanen, Anni, Aapo Harju, Jarkko Mutanen, Hanna Lajunen, Tuula Pakkanen, and Markku Kuittinen. "Luminescent optical epoxies for solar concentrators." In SPIE Solar Energy + Technology, edited by Adam P. Plesniak and Candace Pfefferkorn. SPIE, 2014. http://dx.doi.org/10.1117/12.2061721.

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Neuroth, N., and R. Haspel. "Glasses For Luminescent Solar Concentrators." In 1986 International Symposium/Innsbruck, edited by Claes-Goeran Granqvist, Carl M. Lampert, John J. Mason, and Volker Wittwer. SPIE, 1986. http://dx.doi.org/10.1117/12.938313.

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de Boer, Dick K. G., Arno J. M. Ras, Bhuvana Viswanathan, and F. Helmut Zahn. "Performance of Flat and Bent Luminescent Concentrators." In Optics for Solar Energy. Washington, D.C.: OSA, 2012. http://dx.doi.org/10.1364/ose.2012.st2a.2.

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Reports on the topic "Luminescent Solar Concentrators"

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Friedman, P. S., and C. R. Parent. Luminescent solar concentrator development: Final subcontract report, 1 June 1982-31 December 1984. Office of Scientific and Technical Information (OSTI), April 1987. http://dx.doi.org/10.2172/6196790.

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