Porous ZnO as a novel encapsulation matrix for quantum dot based luminescent down-shifting films

Hodgson, Simon D.; Jones, S.; Holliman, Peter J.; Rugen-Hankey, Sarah; Barrioz, Vincent; Irvine, S.J.C.

doi:10.1016/j.matlet.2014.05.087

Cited by 6 publications

(2 citation statements)

References 9 publications

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“…In recent years, luminescent down-shifting (LDS) materials have been widely studied and applied to photovoltaics to improve the PCE [7,8]. These materials absorb photons at wavelengths (λ) where the PV responds poorly (λ < 400nm) and re-emit photons in the visible spectrum, where the spectral response of the PV is much greater.…”

Section: Introductionmentioning

confidence: 99%

Printable luminescent down shifter for enhancing efficiency and stability of organic photovoltaics

Kettle

Bristow

Gethin

et al. 2016

Solar Energy Materials and Solar Cells

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The proof of concept of using luminescent down shifting (LDS) layers as alternative UV filters for P3HT:PCBM OPVs is demonstrated using a lanthanide-based metal complex. The results are verified using a combination of indoor light soaking, with single cell devices, and outdoor performance monitoring, using a 16-cell monolithically connected OPV module. By applying the LDS layer, a ~5% relative enhancement in photocurrent is observed for both sets of devices. More significantly, indoor light soaking tests on single cell devices without encapsulation showed an 850% enhancement in the measured half-life (T50%). The OPV modules were encapsulated and tested for outdoor stability over a 70 day period in the Negev desert, Israel . The modules made with the LDS filter are shown to match the stability of those made with a commercial UV filter and outperform the modules with no filter applied, with a 51% enhancement in the measured stability (T75%). Significantly, the work provides clear experimental evidence that the LDS layer can act as a UV filter in OPVs without compromising the efficiency of the solar cell, thus providing an added benefit over commercial UV filters.

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Section: Introductionmentioning

confidence: 99%

Printable luminescent down shifter for enhancing efficiency and stability of organic photovoltaics

Kettle

Bristow

Gethin

et al. 2016

Solar Energy Materials and Solar Cells

View full text Add to dashboard Cite

show abstract

“…Nanostructured semiconductors have been widely studied since last decade due to the clear and desirable improvement of some of their properties, such as optical, electrical, magnetic, etc. In recent years, the interest to modify those properties by reducing the particle size of systems, until reach the quantum dot (QD) scale, has increased [1,2]. In QD scale, each molecular, even atomic, energy levels influence more significantly over electron behavior in the material, because the number of them is reduced to a few of tens or hundreds of units, this phenomenon is called quantum confinement.…”

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confidence: 99%

Facile Synthesis of High Luminescent Blue Emitting ZnS Quantum Dots for UV to Visible Light Conversion, Solar Cell and LED Applications.

Rodriguez¹,

Pesqueira²,

Zeferino³

et al. 2018

Microsc Microanal

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Luminescent layers based on rare earth elements for thin-film flexible solar cells applications

Znajdek

Szczecińska

Sibiński

et al. 2018

Optik

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Porous ZnO as a novel encapsulation matrix for quantum dot based luminescent down-shifting films

Cited by 6 publications

References 9 publications

Printable luminescent down shifter for enhancing efficiency and stability of organic photovoltaics

Printable luminescent down shifter for enhancing efficiency and stability of organic photovoltaics

Facile Synthesis of High Luminescent Blue Emitting ZnS Quantum Dots for UV to Visible Light Conversion, Solar Cell and LED Applications.

Luminescent layers based on rare earth elements for thin-film flexible solar cells applications

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