WO2011091903A2 - Module concentrateur de luminescence à couche active renouvelable - Google Patents

Module concentrateur de luminescence à couche active renouvelable Download PDF

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Publication number
WO2011091903A2
WO2011091903A2 PCT/EP2010/069573 EP2010069573W WO2011091903A2 WO 2011091903 A2 WO2011091903 A2 WO 2011091903A2 EP 2010069573 W EP2010069573 W EP 2010069573W WO 2011091903 A2 WO2011091903 A2 WO 2011091903A2
Authority
WO
WIPO (PCT)
Prior art keywords
active layer
concentrator module
luminescence concentrator
substrate
species
Prior art date
Application number
PCT/EP2010/069573
Other languages
German (de)
English (en)
Other versions
WO2011091903A3 (fr
Inventor
Ingo Ramsteiner
Hendrik Boedeker
Original Assignee
Robert Bosch Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to EP10796342A priority Critical patent/EP2529414A2/fr
Publication of WO2011091903A2 publication Critical patent/WO2011091903A2/fr
Publication of WO2011091903A3 publication Critical patent/WO2011091903A3/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
    • H01L31/055—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means where light is absorbed and re-emitted at a different wavelength by the optical element directly associated or integrated with the PV cell, e.g. by using luminescent material, fluorescent concentrators or up-conversion arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
    • H01L31/0547—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/52—PV systems with concentrators

Definitions

  • the present invention relates to a luminescence concentrator module with a renewable active layer and a method for producing such a module.
  • luminescence solar concentrators In addition to these classic concentrators, so-called luminescence solar concentrators (LSCs') have been developed, which do not require tracking of the module to adapt to the respective position of the sun.
  • LSCs' luminescence solar concentrators
  • Luminescent concentrators have, in a basic construction, as also described in High-Efficiency Organic Solar Concentrators for Photovoltaics, Michael J. Currie, et al., Science 321, 226 (2008), a transparent glass or glass
  • Plastic plate on that with a luminescent layer for example a luminescent organic dye.
  • This luminescent layer also called a luminescent layer, absorbs a specific spectral range of the sunlight, for example blue, and emits light having a slightly larger wavelength, such as, for example, green.
  • the generated light in particular fluorescent light, couples into the system as in a light guide and is predominantly held by total reflection on the plate surfaces in the plate and is guided at one end face to a solar cell adapted for the corresponding wavelength.
  • the organic dyes previously used for the luminescent layer have only a limited shelf life. This is particularly true for the conditions to which a solar concentrator module is exposed, such as high temperatures and sunlight.
  • the regular disposal and replacement of the solar concentrator modules not only reduces the economy and
  • a luminescence concentrator module which comprises at least one plate-shaped substrate made of transparent carrier material and an active layer arranged on one surface side of the substrate and comprising at least one species of luminescent material, the active layer being renewable.
  • the active layer with the luminescent species can be removed from the substrate, in particular without residue, and replaced by a new active layer.
  • the renewal of the active layer may, according to its durability, for example, be carried out at periodic intervals or at irregular intervals.
  • the plate-shaped substrate of transparent support material may be, for example, a glass sheet or a sheet of plastic such as polycarbonate or polymethylmethacrylate.
  • the glass panes or plates can, in particular plane-parallel, be formed with two surface areas which are opposite to one another and with relatively narrow end faces. It is essential for the substrate according to the invention that the transparent carrier material has a higher refractive index than the surrounding medium, wherein the surrounding medium may be in particular air.
  • the active layer is also referred to as luminescent layer according to the invention.
  • the substrate with the luminescent layer applied thereto is also referred to as a collector plate according to the invention.
  • the substrate and luminescent layer are chosen such that they have approximately the same refractive index, so that the active layer and the substrate form an optical unit. In other words, substrate and active layer are optically coupled together.
  • the complete concentrator module no longer has to be replaced after expiration of the durability of the active layer, but only the luminescent layer is replaced.
  • an active layer having an improved or more effective luminescent species be applied.
  • previously known module structures can easily be adapted according to the invention with a renewable luminescent layer and thus have a significantly longer service life.
  • the species may be luminescent
  • a fluorescent dye in particular a fluorescent organic dye.
  • organic dyes are rhodamine, fluorescein, xanthene, cyanine, oxazine, perylene, naphthylimide, naphthyldiimide, stilbene, pyrromethene and coumarin dyes. This list is not exhaustive and it is according to the invention also
  • quantum dots can also be used as active species, which are understood to mean inorganic nanoparticles which have in particular fluorescence properties, are nanoscale and in particular consist of semiconducting materials.
  • semiconductive materials selected from the group consisting of InAs, InP, GaAs, GaP, GaN, InGaAs, GalnP / InP, CdO, CdSe, CdS , CdTe, ZnO, ZnS, ZnSe, ZnTe, PbS, PbSe, PbTe, HgS, HgSe and HgTe.
  • the quantum dots can according to the
  • Invention also be sheathed with an organic shell.
  • these may preferably be surrounded by long-chain alkylamines, alkenylamines, aromatic amines, thiols, carboxylic acids, carboxylic esters, phosphoric esters, phosphonic esters, phosphenes and / or phosphane oxides.
  • these may preferably be encased with mercaptocaboxylic acids, aminocarboxylic acids, thioalcohols, aminoalcohols, aminoalkylsiloxanes, thioalkylsiloxanes, hydroxycarboxylic acids and / or carboxylic acid esters.
  • Quantum dots may also be used in admixture with other fluorescent species in the active layer.
  • the active layer of the luminescence concentrator module can be designed according to an embodiment of the invention as a peelable paint and / or peelable film.
  • the luminescent species can be introduced, for example, in a clearcoat and applied with this as a film-shaped coating, in particular polymer coating, to the substrate, this being according to the invention, if necessary, from the substrate again like a foil peelable.
  • the luminescent species can be mixed in, for example, dispersed or dissolved in monomers or monomer solutions or dispersions of the coating system.
  • the application of the paint to form the luminescent layer on the substrate can be carried out according to the invention by simple and known paint application methods.
  • the application of the paint can be carried out for example by means of a spray gun, by roller, roller or brush application.
  • the renewal of the active layer in the luminescence concentrator module according to the invention can also be carried out by a final user himself.
  • Particularly suitable lacquers have a low optical absorption coefficient in solar spectral ranges and furthermore a refractive index which comes as close as possible to that of the substrate.
  • Lacquer systems which can form film-like coatings which can be pulled off in accordance with the invention are known.
  • DE 41 10 136 A1, DE 41 10 097 A1, DE 196 49 263 C1, DE 600 25 775 T2 and DE 43 25 566 A1 describe suitable coating systems as base systems for the luminescent active layer according to the invention. These paint systems are weather-resistant and also suitable for glass or plastic surfaces. Self-adhesive films can also be produced from the coating systems described in DE 41 10 136 A1, for example, which are subsequently applied to a substrate surface and can be completely removed from the substrate even after prolonged periods of, for example, one year. The film-like coatings can be removed by hand as a film.
  • Advantageous coating systems which can be used according to the invention as a base system for receiving the luminescent species and coated on substrates such as glass panes are, for example, water-based acrylate polymers which are resistant to UV light and weatherproof.
  • the active species can, for example, such paints are easily applied by spraying by spray gun, but also with a roller or brush on a substrate according to the invention. Even after periods such paints can be removed without residue and very easily by hand again.
  • the paint application requires no pretreatment such as a primer or sanding and is therefore easy and inexpensive. Removed, solid paint residues can be recycled to the recycling system for light packaging 'yellow sack'.
  • the active layer can be designed as a washable and re-applicable paint.
  • a washable and re-applicable paint in terms of weather resistance, a water-resistant, but advantageous with other solvents, such as alcohols, turpentine and / or soluble paint advantageous.
  • the luminescence concentrator module can be coupled to at least one solar cell.
  • This is also referred to as luminescent solar concentrator module or luminescent solar module according to the invention.
  • the solar cells can be arranged in particular on the end faces of the collector plate.
  • the solar cells can be fixed, for example, with an optically transparent adhesive.
  • the solar cells can completely surround the collector plate as a frame or be attached only to selected end faces.
  • the luminescent layer absorbs short-wave sunlight and emits light of a larger wavelength, which is largely coupled into the transparent substrate and directed in a light guide on the solar cells at the end face.
  • the end faces thus each form a luminescent light exit surface.
  • the invention provides that the solar cell is tuned to a specific wavelength range of the light emitted by the species of luminescent material.
  • the energy conversion can be optimized and the efficiency of the module according to the invention can be further increased.
  • the latter can be provided with one or more further luminescence concentrator modules, comprising at least one plate-shaped substrate made of transparent carrier material and an active layer arranged on a surface side of the substrate containing at least one species of luminescent material, lying one above the other, optically separated from each other, wherein the luminescence concentrator modules each have a different active layer, the different spectral regions of the sunlight use.
  • a plurality of luminescence concentrator modules can be installed in a so-called tandem arrangement.
  • the efficiency of such a tandem arrangement can be significantly increased compared to a single concentrator module. Conveniently, so the various
  • Wavelength shares of sunlight in the optically separated concentrator modules are collected and supplied to each adapted solar cells.
  • Optically separated according to the invention means that the luminescence concentrator modules are separated by a medium having a lower refractive index.
  • Modules can be selected so that the converted into luminescent light spectral regions of the light overlap.
  • this can be a device for absorption
  • luminescence or the concentrator modules still continuous radiation, such as thermal radiation
  • conversion is understood to mean the conversion of the light radiation energy into electrical energy.
  • the various embodiments of the above-described luminescence concentrator module can optionally be realized individually or in combination with one another
  • the invention further relates to a method for producing a luminescence concentrator module which comprises at least the following steps:
  • the active layer can be removed without residue if necessary and is renewable by applying a new active layer.
  • the active layer may be, for example, a clearcoat or a film containing one or more luminescent species.
  • the luminescent material may be a fluorescent, especially organic, dye. Examples of suitable dyes according to the invention are rhodamine, fluorescein and coumarin dyes, this list is not meant to be exhaustive. In this case, reference is made explicitly to the executors for the luminescence concentrator module according to the invention.
  • step C) can be replaced in step C) according to the invention by a novel active layer according to the invention.
  • This newly applied coating may conveniently also be renewable.
  • the entire module must be replaced.
  • the service life of such a module can be significantly extended.
  • the cost-effectiveness and customer acceptance of photovoltaic concepts in connection with luminescence concentrator modules according to the invention can be increased.
  • Step C) of the process according to the invention can be repeated almost as often as desired.
  • the service life of the module is limited only by mechanical damage to the substrate plate or solar cell.
  • the active film-like coating can be designed as a peelable paint or as a peelable film.
  • the luminescent layer can be realized as a water-resistant, but with solvents, such as alcohols, washable paint. Removing the active
  • Layer can therefore according to the invention in a simple manner, for example by removing the active layer by hand, take place.
  • the active renewable layer newly applied in step C) may be the same or different than the original or previous active layer.
  • the application of the active layer in step B) and / or step C) can be effected by simple and known lacquer application processes, in particular by means of spraying, spraying, brushing or rolling.
  • both the removal and the reapplication of the active layer may also be carried out by an end customer himself and does not require the involvement of specialist personnel or customer service, so that no additional costs for an end customer have to arise.
  • FIG. 1 is a schematic sectional view of a luminescence concentrator module according to the invention
  • Fig. 2 is a schematic oblique plan view of a double module according to the invention
  • FIG. 1 shows a schematic sectional view of a luminescence concentrator module 1 according to the invention. This has a plate-shaped substrate
  • the substrate 2 may be, for example, a glass sheet or a sheet of plastic such as polycarbonate or polymethylmethacrylate.
  • the glass sheet or plate made of transparent material as a substrate may be formed in particular plane-parallel with two opposite surface-extended surface sides and relatively narrow end faces. It is essential for the substrate 2 according to the invention that the transparent carrier material has a higher refractive index than the surrounding medium.
  • the surrounding medium is usually air.
  • an active layer 3 is arranged, which comprises at least one species 4 of luminescent
  • the active layer is renewable.
  • the active layer 3 which is also called a luminescent layer with the contained luminescent species 4, can be removed from the substrate, in particular without residue, and replaced by a new active layer 3.
  • a luminescent species 4 in the active layer 3 and an incident light beam A are shown.
  • the substrate and the renewable luminescent layer are optically bonded together according to the invention.
  • both layers have the same as possible refractive index.
  • the renewal of the active layer 3 may, according to its durability, for example, take place at periodic intervals or at irregular intervals.
  • the luminescent species 4 may be, for example, a fluorescent dye, the short-wave
  • a solar cell 5 may be arranged, which optimally to the
  • the luminescent layer for example, as a peelable paint or as a washable
  • the active layer which is subject to aging, inter alia by the fact that the luminescent species 4 usually has only a limited durability, obtained by a new fresh active layer 3, the performance of the modules 1, or restored, become.
  • FIG. 2 shows a luminescence concentrator module 1 a according to the invention, the latter being arranged with another luminescent concentrator module 1 b optically, for example separated by an air gap 7, from one another to form a double module.
  • the solar cell on the, facing the viewer, front was omitted for schematic and simplified representation of the beam paths in the figure.
  • the luminescence concentrator 1 a, on which the radiation to be used first impinges, may expediently be designed so that the shorter-wavelength and higher-energy components of the sunlight, including the UV, in
  • Luminescent light in particular fluorescent light, also short wavelengths are converted.
  • the solar cell 5a can be adapted to this wavelength range, that is, consist of a semiconductor material with a relatively high band gap.
  • the luminescent species 4a in the active layer 3a absorbs only in the region of short wavelengths, shown by the arrow A, and allows the light to pass unhindered in overlying wavelength ranges.
  • This applies to the luminescence concentrator 1 b which comprises a luminescent layer 3 b, which can convert a further wavelength range B and supplies the solar cell 5 b.
  • the solar cell 5b may also be designed according to the emitted radiation of the luminescent species 4b and consist of a semiconductor material of smaller band gap than the solar cell 5a.
  • the invention it is possible to arrange more than two modules 1 a, 1 b together functionally with respect to a multiple concentrator module and thus successively use all wavelength ranges for generating electrical energy.
  • One or all active layers 3a and 3b can be made renewable according to the invention.
  • This can be, for example, an additional flat thin-film solar cell which can use transmitted light up to 1100 nm.
  • the invention provides a luminescence concentrator module with which the service life can be extended compared to previously known modules.
  • the economy and environmental compatibility, especially in connection with the use as a luminescent solar concentrator module, can be significantly increased.
  • previously known luminescence concentrator structures can be adapted and improved according to the invention in a simple manner by using a renewable active layer.

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Photovoltaic Devices (AREA)
  • Luminescent Compositions (AREA)

Abstract

L'invention concerne un module concentrateur de luminescence (1) comportant au moins un support (2) en forme de plaque en matériau support transparent et une couche active (3) disposée sur une face superficielle du support (2) et présentant au moins une espèce (4) en matériau luminescent, la couche active (3) étant renouvelable. L'invention porte également sur un procédé de fabrication d'un module concentrateur de luminescence (1) selon l'invention.
PCT/EP2010/069573 2010-01-26 2010-12-14 Module concentrateur de luminescence à couche active renouvelable WO2011091903A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10796342A EP2529414A2 (fr) 2010-01-26 2010-12-14 Module concentrateur de luminescence à couche active renouvelable

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010001220 DE102010001220A1 (de) 2010-01-26 2010-01-26 Lumineszenz-Konzentrator-Modul mit erneuerbarer aktiver Schicht
DE102010001220.3 2010-01-26

Publications (2)

Publication Number Publication Date
WO2011091903A2 true WO2011091903A2 (fr) 2011-08-04
WO2011091903A3 WO2011091903A3 (fr) 2012-04-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/069573 WO2011091903A2 (fr) 2010-01-26 2010-12-14 Module concentrateur de luminescence à couche active renouvelable

Country Status (3)

Country Link
EP (1) EP2529414A2 (fr)
DE (1) DE102010001220A1 (fr)
WO (1) WO2011091903A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013172930A1 (fr) * 2012-05-15 2013-11-21 Illinois Tool Works Inc. Film de conversion de longueur d'onde solaire remplaçable

Families Citing this family (3)

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Publication number Priority date Publication date Assignee Title
DE102013201275A1 (de) * 2013-01-28 2014-07-31 Robert Bosch Gmbh Zum Durchführen optischer Absorptionsspektroskopie ausgestaltete Anordnung und Vorrichtungen
CN110246904B (zh) * 2019-05-17 2020-07-14 宁波大学 一种基于光谱下转换技术的量子点荧光太阳集光器、平板型聚光光伏器及其制备方法
DE102020133069B4 (de) 2020-12-11 2023-08-17 Audi Aktiengesellschaft Panoramadach mit einem transparenten Solarmodul

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013172930A1 (fr) * 2012-05-15 2013-11-21 Illinois Tool Works Inc. Film de conversion de longueur d'onde solaire remplaçable

Also Published As

Publication number Publication date
WO2011091903A3 (fr) 2012-04-05
EP2529414A2 (fr) 2012-12-05
DE102010001220A1 (de) 2011-07-28

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