Large area plasmonic nanoparticle arrays with well-defined size and shape

Meisenheimer, Sarah-Katharina; Jüchter, Sabrina; Höhn, Oliver; Hauser, Hubert; Wellens, C.; Kübler, Volker; Hauff, Elizabeth von; Bläsi, Bénédikt

doi:10.1364/ome.4.000944

Cited by 11 publications

(10 citation statements)

References 29 publications

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“…al. [39]. An increased surface recombination velocity is expected at the grating interface due to the increased surface area and possible material damage due to etching processes.…”

Section: Outlook -Fabrication Routes To Proposed Solar-cell Designmentioning

confidence: 99%

Interstitial light-trapping design for multi-junction solar cells

Mellor

Hylton

Maier

et al. 2017

Solar Energy Materials and Solar Cells

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“…al. [39]. An increased surface recombination velocity is expected at the grating interface due to the increased surface area and possible material damage due to etching processes.…”

Section: Outlook -Fabrication Routes To Proposed Solar-cell Designmentioning

confidence: 99%

Interstitial light-trapping design for multi-junction solar cells

Mellor

Hylton

Maier

et al. 2017

Solar Energy Materials and Solar Cells

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“…Details of the complete nanofabrication process chain including the lift-off process can be found in Ref. [21].The nanoparticles had an array period of 300 nm, a diameter of 150 nm and a height of 15 nm. The NPs were separated from the semiconductor by a 15 nm thick TaO x spacer layer.…”

Section: A Prototype Fabricationmentioning

confidence: 99%

Nanoparticle Scattering for Multijunction Solar Cells: The Tradeoff Between Absorption Enhancement and Transmission Loss

Mellor¹,

Hylton²,

Hauser

et al. 2016

IEEE J. Photovoltaics

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Abstract-This paper contains a combined experimental and simulation study of the effect of Al and AlInP nanoparticles on the performance of multi-junction solar cells. In particular, we investigate oblique photon scattering by the nanoparticle arrays as a means of improving thinned subcells or those with low diffusion lengths, either inherently or due to radiation damage. Experimental results show the feasibility of integrating nanoparticle arrays into the ARCs of commercial InGaP/InGaAs/Ge solar cells, and computational results show that nanoparticle arrays can improve the internal quantum efficiency via optical path length enhancement. However, a design that improves the external quantum efficiency of a stateof-the-art cell has not been found, despite the large parameter space studied. We show a clear trade-off between oblique scattering and transmission loss, and present design principles and insights into how improvements can be made.

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“…The method for the manufacture of nanoparticle arrays is described in detail in [10] and shall be reviewed here. (2).…”

Section: Manufacture Of Defined Silver Nanoparticle Arraysmentioning

confidence: 99%

“…The parasitic absorption can be minimized by realising regularly ordered particles. Our fabrication process, suitable to meet these requirements, is based on interference lithography (IL), UV-nanoimprint lithography (UV-NIL) and lift-off [10].…”

Section: Introductionmentioning

confidence: 99%

Study of plasmonic nanoparticle arrays for photon management in solar cells

et al. 2014

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Metallic nanostructures revealing plasmonic effects are a promising approach for improved photon management in thin solar cells. Irregular structures, as found in literature, suffer from parasitic absorption as a result of the varying dimensions of the particles. The parasitic absorption can be minimized by realising regularly ordered particles. Our fabrication process, suitable to meet these requirements, is based on interference lithography (IL), UV nanoimprint lithography (UV-NIL) and lift-off. As a process capable of large area structure origination, we use IL for the realization of master structures. Combining IL with NIL as a replication technique, the process chain is very versatile concerning nanoparticle shapes, sizes and arrangements. In the UV-NIL process, a flexible silicone stamp, which was replicated from the master structure, is pressed into a resist, which is cross-linked by UV light. A plasma etching step is applied to remove the residual resist layer. Afterwards, the substrate is coated with a thin metal layer and finally a lift-off is carried out. This results in metallic nanoparticles arranged in a regular pattern on the substrate. We show simulations and experimental results of round and elliptical disks and half spheres arranged in crossed and hexagonal gratings on glass and silicon. The elliptical particles show polarization dependent resonance effects. In a model assisted parameter study, we demonstrate the influence of various structure parameters on the absorption enhancement in silicon. Finally, optical measurements of ordered silver nanoparticles on the rear side of a silicon wafer are shown

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Large area plasmonic nanoparticle arrays with well-defined size and shape

Cited by 11 publications

References 29 publications

Interstitial light-trapping design for multi-junction solar cells

Interstitial light-trapping design for multi-junction solar cells

Nanoparticle Scattering for Multijunction Solar Cells: The Tradeoff Between Absorption Enhancement and Transmission Loss

Study of plasmonic nanoparticle arrays for photon management in solar cells

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