Theory of fluorescent planar concentrators and experimental results

Wittwer, V.; Heidler, K.; Zastrow, A.; Goetzberger, A.

doi:10.1016/0022-2313(81)90108-3

Cited by 53 publications

(22 citation statements)

References 5 publications

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“…The re-emitted light is guided via total internal reflection (TIR) to the sheet edges where solar cells are attached. The LSC therefore, uses active optics [6] to concentrate photons from a large aperture area to a reduced solar cell area, potentially resulting in lower cost photovoltaic devices. An additional benefit of photon concentration is an increase in photo-generated carriers and enhanced efficiency of the attached solar cell [7].…”

Section: Introductionmentioning

confidence: 99%

“…One approach is to reduce the amount of semiconductor material utilized, which is facilitated by concentrating the solar power from a large aperture area to a smaller area using inexpensive concentration techniques [1], thereby reducing the cost of the module and consequently the cost of solar electricity. The fluorescent or luminescent solar concentrator (LSC) was first suggested in late 1970s [1][2][3][4][5][6][7]. LSCs consist of luminescent species (organic dyes/quantum dots/rare earth materials) doped in a transparent polymer sheet.…”

Section: Introductionmentioning

confidence: 99%

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Enhanced quantum dot emission for luminescent solar concentrators using plasmonic interaction

Chandra¹,

Doran²,

McCormack

et al. 2012

Solar Energy Materials and Solar Cells

102

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a b s t r a c tPlasmonic excitation enhanced fluorescence of CdSe/ZnS core-shell quantum dots (QDs) in the presence of Au nanoparticles (NPs) has been studied for application in quantum dot solar concentrator (QDSC) devices. We observe that there is an optimal concentration of Au NPs that gives a maximum 53% fluorescence emission enhancement for the particular QD/Au NP composite studied. The optimal concentration depends on the coupling and spacing between neighboring QDs and Au NPs. We show the continuous transition from fluorescence enhancement to quenching, depending on Au NP concentration. The locally enhanced electromagnetic field induced by the surface plasmon resonance in the Au NPs leads to an increased excitation rate for the QDs. This is evidenced by excitation wavelength dependent fluorescence enhancement, where the locally enhanced field around the Au NPs is more pronounced close to the surface plasmon resonance (SPR) wavelength. However, at higher concentrations of Au NPs non-radiative energy transfer from the QDs to the Au NPs particles leads to a decrease of the emission, which is confirmed by detection of both a double exponential lifetime decay in, and a decrease in the lifetime of the QDs. The overall fluorescence emission enhancement depends on these competing effects; increased excitation rate and non-radiative energy transfer.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Enhanced quantum dot emission for luminescent solar concentrators using plasmonic interaction

Chandra¹,

Doran²,

McCormack

et al. 2012

Solar Energy Materials and Solar Cells

102

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“…For the configuration in Figure 11.4a, we have f = 4d/l; hence, the coverage fraction depends only on the ratio between the collector thickness d and the side length l. Such systems have been theoretically and experimentally analyzed, for example in Refs. [5,25,26,45] and achieve highest measured system efficiencies [19]. mirrors cover the remainders.…”

Section: Possible System Configurations -Side-mounted and Bottom-mounmentioning

confidence: 99%

“…They can be divided into two large groups depending on whether they are made of organic or inorganic matter. Organic dyes have been intensely used in the first luminescence concentrator campaign in the 1980s [5,6,32,34,45,[83][84][85]. The facile availability of a large number of strongly fluorescent dyes and the possibility to easily incorporate them into transparent host matrices have been beneficial criteria toward cheap and large-area concentrator systems [16,18,19,86,87].…”

Section: The Luminescent Speciesmentioning

confidence: 99%

Fluorescent Concentrators for Photovoltaic Applications

Goldschmidt

Prönneke

Büchtemann

et al. 2015

Photon Management in Solar Cells

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“…It was developed mainly in the late seventies [14,15] and early eighties [16,17] of the previous century. A fluorescent concentrator is a plate consisting of a synthetic material (e.g., polymethylmethacrylate, PMMA), into which a fluorescent dye is included.…”

Section: Fluorescent Concentratorsmentioning

confidence: 99%

Spectrally-Selective Photonic Structures for PV Applications

et al. 2010

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Abstract:We review several examples of how spectrally-selective photonic structures may be used to improve solar cell systems. Firstly, we introduce different spectrally-selective structures that are based on interference effects. Examples shown include Rugate filter, edge filter and 3D photonic crystals such as artificial opals. In the second part, we discuss several examples of photovoltaic (PV) concepts that utilize spectral selectivity such as fluorescence collectors, upconversion systems, spectrum splitting concepts and the intermediate reflector concept. The potential of spectrally selective filters in the context of solar cells is discussed.

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Theory of fluorescent planar concentrators and experimental results

Cited by 53 publications

References 5 publications

Enhanced quantum dot emission for luminescent solar concentrators using plasmonic interaction

Enhanced quantum dot emission for luminescent solar concentrators using plasmonic interaction

Fluorescent Concentrators for Photovoltaic Applications

Spectrally-Selective Photonic Structures for PV Applications

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