Increase in external quantum efficiency of encapsulated silicon solar cells from a luminescent down‐shifting layer

McIntosh, Keith R.; Cotsell, James N.; Hanton, Katherine; Bätzner, D.L.; Bettiol, Fabian; Richards, Bryce S.

doi:10.1002/pip.867

Cited by 137 publications

(83 citation statements)

References 18 publications

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“…There is also a large absorption of ultraviolet and blue light in the module covering glass. The utilization of the down shifting effect before the light enters the glass could improve the efficiency of the module considerably [24].…”

Section: Introductionmentioning

confidence: 99%

“…The one of the most straightforward methods of quantum dots application in photovoltaics is their utilization for light conversion in down-conversion (DC) process, which is also known as quantum-cutting [19][20][21][22][23][24][25]. The down-converter transforms one high energy photon into two or more photons of lower energy but simultaneously higher than the bandgap.…”

Section: Introductionmentioning

confidence: 99%

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Studying of Perovskite Nanoparticles in PMMA Matrix Used As Light Converter for Silicon Solar Cell

Lipiński¹,

Socha²,

Kędra³

et al. 2017

Archives of Metallurgy and Materials

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The nanoparticles of CH 3 NH 3 PbBr 3 hybrid perovskites were synthesized. These perovskite nanoparticles we embedded in polymethyl methacrylate (PMMA) in order to obtain the composite, which we used as light converter for silicon solar cells. It was shown that the composite emit the light with the intensity maximum at about 527 nm when exited by a short wavelength (300÷450 nm) of light.The silicon solar cells were used to examine the effect of down-conversion (DC) process by perovskite nanoparticles embedded in PMMA. For experiments, two groups of monocrystalline silicon solar cells were used. The first one included the solar cells without surface texturization and antireflection coating. The second one included the commercial cells with surface texturization and antireflection coating. In every series of the cells one part of the cells were covered by composite (CH 3 NH 3 PbBr 3 in PMMA) layer and second part of cells by pure PMMA for comparison. It was shown that External Quantum Efficiency EQE of the photovoltaic cells covered by composite (CH 3 NH 3 PbBr 3 in PMMA) layer was improved in both group of the cells but unfortunately the Internal Quantum Efficiency was reduced. This reduction was caused by high absorption of the short wavelength light and reabsorption of the luminescence light. Therefore, the CH 3 NH 3 PbBr 3 perovskite nanoparticles embedded in PMMA matrix were unable to increase silicon solar cell efficiency in the tested systems.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Studying of Perovskite Nanoparticles in PMMA Matrix Used As Light Converter for Silicon Solar Cell

Lipiński¹,

Socha²,

Kędra³

et al. 2017

Archives of Metallurgy and Materials

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“…Van Sark et al [84] simulated the performance improvement of multicrystalline silicon cells with a PL photon converter containing CdSe quantum dots with center emission wavelengths of 603 nm and calculated an increase in shortcircuit current of nearly 10%. This low-cost adaptation has been shown to considerably improve the spectral response at high energies [86], increase the short-circuit current density [83], and result in improvements of cell efficiency of around 0.4-2% in absolute terms [86,87].…”

Section: Photoluminescence (Pl)mentioning

confidence: 99%

“…PL can also be used to enhance photosynthetic growth by shifting UV light into the PAR region, ideally into the blue region to match the absorption spike of chlorophyll, where it can be efficiently photosynthesized. Typically PL photon converters or luminescent down-shifters are fabricated by doping highly transparent polymers (e.g., polymethyl methacrylate (PMMA) or polyvinyl acetate (PVA)) with luminescent dyes [80][81][82][83], semiconductor quantum dots [63,84,85], or silicon nanocrystals [86]. The luminescent particles exhibit a Stokes shift, absorbing short wavelength radiation and emitting longer wavelengths.…”

Section: Photoluminescence (Pl)mentioning

confidence: 99%

Spectral light management for solar energy conversion systems

2016

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Due to the inherent broadband nature of the solar radiation, combined with the narrow spectral sensitivity range of direct solar to electricity devices, there is a massive opportunity to manipulate the solar spectrum to increase the functionality and efficiency of solar energy conversion devices. Spectral splitting or manipulation facilitates the efficient combination of both high-temperature solar thermal systems, which can absorb over the entire solar spectrum to create heat, and photovoltaic cells, which only convert a range of wavelengths to electricity. It has only recently been possible, with the development of nanofabrication techniques, to integrate micro-and nano-photonic structures as spectrum splitters/manipulators into solar energy conversion devices. In this paper, we summarize the recent developments in beam splitting techniques, and highlight some relevant applications including combined PV-thermal collectors and efficient algae production, and suggest paths for future development in this field.

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“…This has been undertaken for a number of different solar cells including crystalline silicon (cSi) [8] [9], amorphous silicon [7], CdS/copper sulfide [7], CdS/CdTe [10][11] [12] and copper indium gallium selenide (CIGS) [13] [14], an extensive list including efficiency improvements can be found in [15].…”

Section: Introductionmentioning

confidence: 99%

Application of concentrating luminescent down-shifting structures to CdS/CdTe solar cells with poor short wavelength response

Parel

Danos

Markvart

2015

Solar Energy Materials and Solar Cells

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Increase in external quantum efficiency of encapsulated silicon solar cells from a luminescent down‐shifting layer

Cited by 137 publications

References 18 publications

Studying of Perovskite Nanoparticles in PMMA Matrix Used As Light Converter for Silicon Solar Cell

Studying of Perovskite Nanoparticles in PMMA Matrix Used As Light Converter for Silicon Solar Cell

Spectral light management for solar energy conversion systems

Application of concentrating luminescent down-shifting structures to CdS/CdTe solar cells with poor short wavelength response

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