Hot Embossing of Polymer Substrates for Thin Silicon Cell Applications

Escarré, Jordi; Bertomeu, J.; Asensi, J.M.; Andreu, J.; Terrazzoni-Daudrix, V.; Haug, F.-J.; Niquille, X.

doi:10.1109/wcpec.2006.279781

Cited by 5 publications

(4 citation statements)

References 5 publications

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“…In the case of soft thermoplastic substrates, thermal nanoimprint lithography enabled replication of the mold patterns, however with a limited shape fidelity. In addition, the high pressure ( $ 200 bar) and high temperature ( $ 200 1C) [11] required to imprint the polymer surface could make it not cost effective [11][12][13]. Ultraviolet nanoimprint lithography (UVNIL) is a wellestablished process for the replication of sub-micron scale features into photopolymerizable resins.…”

Section: Introductionmentioning

confidence: 99%

UV-nanoimprint lithography and large area roll-to-roll texturization with hyperbranched polymer nanocomposites for light-trapping applications

Lazo

Teuscher

Leterrier

et al. 2012

Solar Energy Materials and Solar Cells

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Section: Introductionmentioning

confidence: 99%

UV-nanoimprint lithography and large area roll-to-roll texturization with hyperbranched polymer nanocomposites for light-trapping applications

Lazo

Teuscher

Leterrier

et al. 2012

Solar Energy Materials and Solar Cells

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“…Recently, embossing has been proposed as alternate texturing method 13–17. In this contribution we present a process for the replication of given surface textures to rigid glass and also to flexible substrates as poly‐ethylene‐naphtalate (PEN; T G ≈ 120°C), using a transparent, UV‐curable lacquer.…”

Section: Introductionmentioning

confidence: 99%

UV‐nano‐imprint lithography technique for the replication of back reflectors for n‐i‐p thin film silicon solar cells

Söderström

Escarré

Cubero

et al. 2010

Progress in Photovoltaics

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Texturing of interfaces in thin film silicon solar cells is essential to enhance the produced photocurrent and thus the efficiencies. A UV nano‐imprint‐lithography (UV‐NIL) replication process was developed to prepare substrates with textures that are suitable for the growth of n‐i‐p thin film silicon solar cells. Morphological and optical analyses were performed to assess the quality of the replicas. A comparison of single junction amorphous solar cells on the original structures and on their replicas on glass revealed good light trapping and excellent electrical properties on the replicated structures. A tandem amorphous silicon/amorphous silicon (a‐Si/a‐Si) cell deposited on a replica on plastic exhibits a stabilized efficiency of 8.1% and a high yield of 90% of good cells in laboratory conditions. It demonstrates the possibility to obtain appropriate structure on low cost plastic substrate. Copyright © 2010 John Wiley & Sons, Ltd.

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“…Several methods are available for correlating the texture morphology with the solar cell properties. [16][17][18][19][20] In this report, we focus on the distribution of texture shapes. 21) Figure 1 shows a portion of the height data for rectangular coordinates of the texture surface, as measured by AFM.…”

Section: Methodsmentioning

confidence: 99%

Quantitative measurement and design of texture morphology for high-efficiency thin-film silicon solar cells

Kanematsu¹,

Yata²,

Aya³

et al. 2014

Jpn. J. Appl. Phys.

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To decouple the trade-off relationship between short-circuit current I SC and open-circuit voltage V OC of thin-film silicon solar cells, which vary with texture morphology, it is necessary to first clarify the relationship between a solar cell's properties and its texture morphology. We have developed a method for quantitatively measuring the texture morphology, which has enabled us to identify novel indices on the basis of texture width and angle individually correlated to I SC and V OC . A texturing process based on these indices should allow I SC and V OC to be improved independently.

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Hot Embossing of Polymer Substrates for Thin Silicon Cell Applications

Cited by 5 publications

References 5 publications

UV-nanoimprint lithography and large area roll-to-roll texturization with hyperbranched polymer nanocomposites for light-trapping applications

UV-nanoimprint lithography and large area roll-to-roll texturization with hyperbranched polymer nanocomposites for light-trapping applications

UV‐nano‐imprint lithography technique for the replication of back reflectors for n‐i‐p thin film silicon solar cells

Quantitative measurement and design of texture morphology for high-efficiency thin-film silicon solar cells

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