Absorbing photonic crystals for mono-crystalline silicon thin film solar cells

Xianqin Meng, Valérie Depauw, Guillaume Gomard, Ounsi El Daif, Christos Trompoukis, Emmanuel Drouard, Cécile Jamois, Alain Fave, Frédéric Dross, Ivan Gordon, Christian Seassal

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

In this paper, we present the integration of an absorbing photonic crystal within a monocrystalline silicon thin film solar cell stack. Optical simulations performed on a complete solar cell revealed that patterning the epitaxial monocrystalline silicon active layer as a 1D and 2D photonic crystal enabled to increase its integrated absorption by 38%rel and 50%rel in the whole 300-1100 nm range, compared to a similar but unpatterned stack. In order to fabricate such promising cells, a specific fabrication process based on holographic lithography, inductively coupled plasma etching and reactive ion etching has been developed and implemented to obtain such photonic crystal patterned solar cells. Optical measurements performed on the patterned stacks highlight the significant absorption enhancement, as expected by simulation. A more advanced structuration combining a front and a rear 1D binary photonic patterning with different periods is designed, enabling a 60% abs larger absorption in silicon.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Volume8425
DOIs
Publication statusPublished - 2012
Externally publishedYes
EventPhotonic Crystal Materials and Devices X - Brussels, Belgium
Duration: 16 Apr 201219 Apr 2012

Other

OtherPhotonic Crystal Materials and Devices X
CountryBelgium
CityBrussels
Period16/4/1219/4/12

Fingerprint

Thin Film Solar Cells
Silicon solar cells
Photonic crystals
Photonic Crystal
Absorbing
Monocrystalline silicon
Silicon
Absorption
solar cells
photonics
Solar Cells
Patterning
Etching
Crystalline materials
Solar cells
silicon
thin films
crystals
Optical Measurement
Plasma etching

Keywords

  • Crystalline silicon
  • Diffraction gratings
  • Holographic lithography
  • Photonic crystals
  • Photovoltaics
  • Thin-film devices and applications

ASJC Scopus subject areas

  • Applied Mathematics
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Meng, X., Depauw, V., Gomard, G., Daif, O. E., Trompoukis, C., Drouard, E., ... Seassal, C. (2012). Absorbing photonic crystals for mono-crystalline silicon thin film solar cells. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 8425). [84250R] https://doi.org/10.1117/12.922428

Absorbing photonic crystals for mono-crystalline silicon thin film solar cells. / Meng, Xianqin; Depauw, Valérie; Gomard, Guillaume; Daif, Ounsi El; Trompoukis, Christos; Drouard, Emmanuel; Jamois, Cécile; Fave, Alain; Dross, Frédéric; Gordon, Ivan; Seassal, Christian.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8425 2012. 84250R.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Meng, X, Depauw, V, Gomard, G, Daif, OE, Trompoukis, C, Drouard, E, Jamois, C, Fave, A, Dross, F, Gordon, I & Seassal, C 2012, Absorbing photonic crystals for mono-crystalline silicon thin film solar cells. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 8425, 84250R, Photonic Crystal Materials and Devices X, Brussels, Belgium, 16/4/12. https://doi.org/10.1117/12.922428
Meng X, Depauw V, Gomard G, Daif OE, Trompoukis C, Drouard E et al. Absorbing photonic crystals for mono-crystalline silicon thin film solar cells. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8425. 2012. 84250R https://doi.org/10.1117/12.922428
Meng, Xianqin ; Depauw, Valérie ; Gomard, Guillaume ; Daif, Ounsi El ; Trompoukis, Christos ; Drouard, Emmanuel ; Jamois, Cécile ; Fave, Alain ; Dross, Frédéric ; Gordon, Ivan ; Seassal, Christian. / Absorbing photonic crystals for mono-crystalline silicon thin film solar cells. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8425 2012.
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