Dyeintegrated cholesteric photonic luminescent solar concentrator andrea l. The main downside to gaas solar cell technology is the high cost of. The role of fret in solar concentrator efficiency and color. This paper describes a new design with the pv cells. Figure 1a shows features of a representative system. This is a less expensive method, and its the one massachusetts institute of technology researchers recently improved upon in a way that could revolutionize solar power technology. Optimal design for extending the lifetime of thin film. In most cases the escape cone losses are greater at the top than the bottom surface. Investigations with the luminescent solar concentrator 1. Mar 31, 2016 the fabrication of a low reabsorption emission loss, high efficient luminescent solar concentrator lsc is demonstrated by embedding near infrared nir coreshell quantum dots qds in a polymer matrix. The principle of lsc is to trap light inside a dielectric matrix doped with organic or inorganic dyes until it reaches the. Organic dye doped polymer lsc was studied and it was shown that the distributed system was an effective solar concentrator achieving a maximum concentration ratio of 3.
Luminescent solar concentrators lscs have the potential to significantly contribute to solar energy harvesting strategies in the built environment. Cartern department of physics, university of california santa cruz, 1156 high street, santa cruz, ca 95064, usa. Fayer the problem of reabsorption in luminescent solar concentrators lsc is discussed. The output power of an lscenhanced pv cell is the solar irradiance level concentrated onto the pv strips is. Double layered plasmonic thinfilm luminescent solar. Publishers pdf, also known as version of record includes final page. Optimizing luminescent solar concentrator design energy.
The negative dichroic fluorophore orients with the primary absorptionemission dipole, corresponding to the physical long axis of the perylene bisimide core, perpendicular to the director of a host liquid crystal. Luminescent solar concentrators explained mit energy initiative. Pdf luminescent solar concentrators based on meltspun. Photosynthetically active radiation par consists of solar radiation from between 400700 nm which is used by crops. Luminescent 25 and nonluminescent 6,7 waveguiding solar concentrators have widely been used in pv technology. A conceptual representation of a solar concentrator used in harnessing the power from the sun to generate electricity is shown in figure 1.
This work describes the unexpected alignment of a common perylene bisimide fluorescent dye lumogen red305 in a host liquid crystal matrix. Power generation study of luminescent solar concentrator greenhouse carley corrado,1 shin woei leow,2 melissa osborn,1 ian carbone,1 kaitlin hellier,1 markus short,1 glenn alers,1 and sue a. Improvement of luminescent solar concentrators using. Sorry, we are unable to provide the full text but you may find it at the following locations. Large stokes shift and high efficiency luminescent solar. Luminescent solar concentrators for photoelectrochemical. Measured surface loss from luminescent solar concentrator. Luminescent solar concentrator lsc development program at owensillinois under the sponsorship of the united states department of energy.
A luminescent solar concentrator lsc consists of loaded luminophores and a waveguide that can concentrate direct and diffuse sunlight. Luminescent solar concentrators lscs are lightharvesting devices that are expected to be a costeffective alternative to opticsbased solar concentrator systems. However, their use in photovoltaic applications has not been realized. Transparent solar panels will turn windows into green energy. This study investigates the concept of using semitransparent luminescent solar concentrators as greenhouse rooftop panels for the coproduction of food and energy. While the light energy bounces around in the plastic, it sometimes gets reabsorbed into the dye molecules and ends up emitted as heat. Luminescent solar concentrator photovoltaic systems lscpv harvest solar light by using transparent photoluminescent plates, which is expected to be particularly useful for buildingintegrated pv applications.
Monte carlo raytracing of a luminescent solar concentrator. Luminescent solar concentrators lscs collect incoming sunlight and direct it to a smallerarea photovoltaic cell. These ncs feature a photoluminescence quantum yield approaching 200% and virtually zero selfabsorption loss of pl photons, defining a new upper limit of 150% for the internal optical efficiency. Progress in phosphors and filters for luminescent solar. Luminescent solar concentrator lsc device and lscenhanced pv cells. Lsc panels that absorb multiple wavelength bands are required to achieve high power conversion efficiency pce. Luminescent solar concentrators based on thermally. The component efficiencies shown in the configuration are 1 solar spectrum absorption efficiency 2 luminophore. Advanced material concepts for luminescent solar concentrators article pdf available in ieee journal of selected topics in quantum electronics 145.
The role of fret in solar concentrator efficiency and. An lsc reduces the amount of solar cells required for solar power generation 5,6. Nanoparticles for luminescent solar concentrators a. Progress in phosphors and filters for luminescent solar concentrators dick k.
Techniques and calculations are presented that give explicit expressions for the overall performance of a luminescent solar concentrator lsc in terms of the intrinsic spectral response and quantum efficiency of its constituents. Multistate luminescent solar concentrator smart windows. Solar concentrator is a device that allows the collection of sunlight from a large area and focusing it on a smaller receiver or exit. Luminescent solar concentrators with fiber geometry oreane y edelenbosch,1,2 martyn fisher, 2 luca patrignani, wilfried g j h m van sark,1 and amanda j chatten2, 1copernicus institute of sustainable development, utrecht university, budapestlaan 6, 3584 cd utrecht, the netherlands 2department of physics, imperial college london, prince consort road, london sw7 2az, uk. Coatings including dyes dispersed in a liquid crystalline host can be used to redirect absorbed light preferentially to the edges of a concentrator for collection by solar cells. Both the crops and luminescent dyes used in solar concentrators have a specific absorption spectrum for solar radiation. The luminescent solar concentrator lsc allows sunlight to be concentrated through the use of light pipe trapping of luminescence. Cost competitive luminescent solar concentrators sciencedirect. Structured luminescent solar energy concentrators technische. Could luminescent solar concentrators make solar power more.
Chatten, flexible luminescent solar concentrators using bioderived tandem fluoroflores, to be published in the proceedings of 38 th ieee photovoltaic specialist conference pvsc, austin, tx. However, the luminescent solar concentrator exhibits several potential light loss mechanisms that limit its e ciency and practicality for many potential applications. Luminescent solar concentrator lsc is a popular example of lcpv, studied since the early 1980s 3 and being now subject of numerous researches 4,5. Research greenhouses at the university of california, santa cruz which were equipped with electricityproducing luminescent solar concentrators are growing tomatoes and cucumbers. Apr 30, 2014 this conceptthat the area covered by solar cells is independent of the area over which sunlight is collectedis new in the field of luminescent solar concentrators and it opens perspectives. We examine the single dye or inorganic ion lsc with emphasis on the planar geometry. In this work, the possibility of producing a more e cient luminescent solar concentrator is explored by reducing the potential losses of the system. Spectral splitting luminescent solar concentrator panels for. Visual appearance of nanocrystalbased luminescent solar. Incident sunlight is absorbed, reemitted in a specific spectral range, and. Power generation study of luminescent solar concentrator greenhouse.
Incident sunlight is absorbed by the luminescent species and emitted with high quantum efficiency, such that emitted light is trapped in the sheet and travels to the edges where it can be collected by solar cells. Pdf luminescent solar concentrators lscs generally consist of transparent polymer sheets doped with luminescent species. Due to a corporate reorganization at owensillinois in early 1984, the lsc group was disbanded, thereby making completion of this report a much more difficult task. Hirst school of natural sciences and school of engineering, university of california merced. Spectralbased analysis of thin film luminescent solar.
A luminescent solar concentrator lsc is a transparent piece of plastic or glass that has a fluorescent dye or quantum dots embedded or painted on it. Luminescent solar concentrators lscs operate on the principle of downconversion of solar radiation. They developed a transparent luminescent solar concentrator, or tlsc, that can be placed over a window or any other clear surface. A novel triphenylphosphine tpp treatment strategy was developed to prepare the near. Large luminescent solar concentrator lsc noise barrier performance simulated. Hirst and sayantani ghosh school of natural sciences, university of california, merced, ca, usa received 28 april 2014. Luminescent solar concentrators and the reabsorption problem. Luminescent solar concentrators lscs offer low cost improvements to buildingintegrated photovoltaics.
Power generation study of luminescent solar concentrator. Spectral splitting luminescent solar concentrator panels. A luminescent solar concentrator lscbased photovoltaic pv. Design and performance of nanostructurebased luminescent. Solar concentrators rensselaer polytechnic institute. A luminescent concentrator that allows light of these wavelengths to pass undisrupted through while capturing energy for electrical conversion from other areas of the spectrum offers a promising solution to agrivoltaic applications. Solar energy for the built environment by debije et al. An lsc generally consists of an optically transparent material with an index of refraction similar to that of glass doped or coated with a. Luminescent solar concentrators operate on the principle of collecting radiation over a large area, converting it by luminescence specifically by fluorescence and directing the generated radiation into a relatively small output target. The monte carlo technique is a statistical approach to modelling propagation of photons through a system. In this view, we investigated the exploitation of a. Images were created by loading a bmp file into the controlling computer. We introduce a phosphor with closetooptimal luminescent properties and hardly any reabsorption. Pdf advanced material concepts for luminescent solar.
For the practical realisation of lsc technology, the ability to create large area devices, which contain considerable volumes of high quality luminescent speci celebrating excellence in research. May 19, 2009 luminescent solar concentrators explained may 19, 2009 mitei researchers are well along in designing a highly efficient, inexpensive solar cell, but the big barrier to the dissemination of solar power in society remains the problem of installation, says marc baldo. Cylindrical luminescent solar concentrators with near. A leafinspired luminescent solar concentrator for energy efficient continuousflow photochemistry dario cambie,a fang zhao,a volker hessel,a michael g. Luminescent solar concentrator lsc incorporated with quantum dots qds have been widely regarded as one of the most important development trends of costeffective solar energy. A mathematical development is presented which enables the lsc gain to be calculated based on the optical properties of the mate. Luminescent solar concentrators for buildingintegrated. A luminescent solar concentrator lsc is a device for concentrating radiation, solar radiation in particular, to produce electricity. Luminescent solar concentrators would allow for high concentration if losses by reabsorption and escape could be minimized.
Nanostructured antireflective inplane solar harvester. Calculate the concentration ratio by dividing the area of the plastic square by the area of the solar cells. Such concentrators do not require tracking, and they can reduce the cost of solar energy conversion by reducing the required area of photovoltaic cells. Needell et al design criteria for microoptical tandem luminescent solar concentrators 1561 fig. A luminescent solar concentrator focuses solar light spectrally and spatially to convert it to electricity.
Inspired luminescent solar concentrator for energy. A luminescent solar concentrator lsc greenhouse and an identical control greenhouse were constructed with photovoltaic pv cells. Verbunt2 1philips research, high tech campus 4, 5656 ae eindhoven, the netherlands 2functional organic materials and devices, eindhoven university of technology, box 5, 5600 mb eindhoven, the. With impressive photophysical properties, tadf dyes are now widely recognized as successful emitters in organic light emitting diodes oleds. The use of solar light to promote chemical reactions holds significant potential with regard to sustainable energy solutions. Luminescent solar concentrator lsc windows with frontfacing photovoltaic pv cells were built and their gain and power ef. Dyeintegrated cholesteric photonic luminescent solar. Design and realization of transparent solar modules based on. Combining positive and negative dichroic fluorophores for. However, the visually appealing integration of pv cells or panels into the built environment or in mobile applications is a fundamental requirement for this technology to expand and grow further.
Pdf enhancing the efficiency of luminescent solar concentrators. The pl emission of the lscs is centered at about 700 nm with 99. By using small organic molecules that absorb specific nonvisible wavelengths of sunlight, researchers at michigan state university have developed a transparent luminescent solar concentrator that can create. We demonstrate that about 4050% of the absorbed light energy and 5070% of the photons is lost through the top and bottom surfaces of the filled waveguide. Preliminary data on the degradation of candidate lsc dyes under severe. Large area quantum dot luminescent solar concentrators for.
Request pdf luminescent solar concentrator the present invention relates to a luminescent solar concentrator for a solar cell, comprising a collector with a luminescent substrate, and a. However, unlike the previous waveguiding solar concentrator designs in which a solar cell is sidemounted, in our structure, solar microcells are embedded in a very weakly scattering polymer. Random numbers, cumulative distribution functions cdfs and probability density functions pdfs are used to sample from functions or spectra such as the solar am 1. We have invented special transparent sheets that capture light at low intensity and concentrate this along the edges. Luminescent solar concentrators lscs use fluorescent materials and light guides to convert direct and diffuse sunlight into concentrated wavelengthshifted light that produces electrical power in small photovoltaic pv cells with the goal of significantly reducing the cost of solar energy utilization. The concentrator can harvest solar energy without affecting light transmittance. Compare the output from your lsc with a plain solar cell of the same areausing the. A solar concentrator doesnt require a cooling system, and there are no moving parts, making it less expensive than a solar tracker. Luminescent solar concentrators, quantum dots, solar energy.
Nov 21, 2017 luminescent solar concentrators lscs offer a unique opportunity to invisibly integrate semitransparent photovoltaic architectural elements, such as electrodeless glazing units, into the. How to accurately report transparent luminescent solar. Files available from the acs website may be downloaded for personal use only. Low reabsorption and stability enhanced luminescent solar. In an lsc, the solar radiation is absorbed by the luminescent species which then ree mit the light at a longer wavelength. Chatten, flexible luminescent solar concentrators using bioderived tandem fluoroflores, to be published in the proceedings of 38 th ieee photovoltaic specialist conference pvsc, austin, tx, usa, 2012. Another solution to the efficiency problem in solar panels is the solar concentrator. Luminescent solar concentrators lscs absorb and reemit solar radiation into a. Upconversionassisted dualband luminescent solar concentrator. Luminescent solar concentrators with fiber geometry.
The fabrication of a low reabsorption emission loss, high efficient luminescent solar concentrator lsc is demonstrated by embedding near. Luminescent solar concentrator with surfaceembedded silicon solar cells. Msu doctoral student yimu zhao holds up a transparent luminescent solar concentrator module. A leafinspired luminescent solar concentrator for energy. Algorithm accelerations for luminescent solar concentrator. Improvement of luminescent solar concentrators using liquid crystal polymer melissa n ricketts, andrea rodarte, lun jiang, roland winston, linda s. Goetzberger efficiency equation of the of all of light into thi. The luminescent solar concentrator lsc consists of a transparent material that has been doped with a fluorophore capable of absorbing incident solar radiation and emitting fluorescent photons. Luminescent solar concentrators explained may 19, 2009 mitei researchers are well along in designing a highly efficient, inexpensive solar cell, but the big barrier to the dissemination of solar power in society remains the problem of installation, says marc baldo. Design criteria for microoptical tandem luminescent solar. Solar concentrators function by using a luminescent species in a transparent medium to absorb solar radiation the dye then reemits light which is trapped via total internal reflection and guided to the edge of the cell where it is collected by a thin strip of photovoltaic cell. The luminescent solar concentrator lsc is a promising concept for the. Nanocrystals for luminescent solar concentrators liam r.
However, there has been substantial confusion about the best practices for characterization and performance. Luminescent solar concentrators and the reabsorption problem r. Luminescent solar concentrators utilizing stimulated emission osa. Recently, research and development in the area of luminescent solar concentrators lscs have shown that these devices are capable of significantly reducing the price of solar energy. Plants grown in a luminescent concentrator equipped greenhouse fared as well or better than plants grown in conventional greenhouses. Proceedings of the 3rd international conference of energy harvesting, storage, and transfer ehst19 ottawa, canada june, 2019 paper no. Transparent luminescent solar concentrator creates solar. Quantumcutting luminescent solar concentrators using. Solar driven electrolysis accomplished through photovoltaic pv devices is a major candidate for a longterm sustainable energy economy. Luminescent solar concentrators lscs are lightharvesting devices.
Carter1 1physics, university of california, santa cruz, santa cruz, california 95064, usa. Improvement of luminescent solar concentrators using liquid. In the presented work, form factor and illumination angledependent performance. Luminescent solar concentrators lscs are burgeoning for reducing the cost of solar electricity by decreasing the usage of photovoltaic pv cell and diminishing the complexity of photovoltaic system and also have huge potential to be used in emerging building integrated photovoltaics bipv. Analytical description of a luminescent solar concentrator osa. Near infrared, highly efficient luminescent solar concentrators. A number of methods to reduce the cost of solar power generation have been developed over the last few decades.
Gamelina, adepartment of chemistry, university of washington, seattle, washington 981951700, united states, bmathematics department, western washington university, 516 high street, bellingham. Renewable energy generation is held back by the high costs compared to. Luminescent solar concentrator clean energy institute. Pdf recent developments in the endeavor to enhance the efficiency of luminescent solar concentrators lscs are presented in this paper. Measure the voltage of the lsc in sunlight, under a flashlight and under a uv light. In this study, we for the first time present a tadf dye based luminescent solar concentrator device for efficient sunlight harvesting.
Luminescent solar concentrators explained mit energy. First, the behavior of standard lscs was studied as a function of absorbance and dye. The surface and edge emissions from dyefilled and dyetopped polycarbonate and polymethyl methacrylate luminescent solar concentrators were measured. The luminescent solar concentrator, or lsc, has been proposed as an alternative source of electricity generation from sunlight. Luminescent solar concentrators lsc and transparent luminescent solar concentrators tlsc provide compelling alternatives to standard photovoltaics and transparent photovoltaics due to their structural simplicity, low cost, high defect tolerance, and selectiveharvesting tunability. Luminescent solar concentrators lscs generally consist of transparent polymer sheets doped with luminescent species. Theres a drawback to the traditional design, though. The dye absorbs light and then fluoresces creating a glow that propagates by total internal reflection to the edge of the sheet where the light is absorbed by a narrow solar cell. Cascade solar concentrator greatly reduces solar cell footprint. A luminescent solar concentrator lsc using luminescent molecules and a polymer matrix is a device for selective absorption of sunlight and for collecting the emitted light to the side edges of the collector through total internal reflection tir 14. Research paper optical properties of eva films including. The technology uses organic molecules which absorb wavelengths of light that are. Luminescent solar concentrators lscs incorporating a dye doped thin film coating can be used as a waveguide to absorb and redirect light to coupled solar cells. Conventional lscs employ a photovoltaic pv cell that is placed on the edge of the lsc, facing inward.
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