Absorption enhancement using photonic crystals for silicon thin film solar cells

Yeonsang Park, Emmanuel Drouard, Ounsi El Daif, Xavier Letartre, Pierre Viktorovitch, Alain Fave, Anne Kaminski, Mustapha Lemiti, Christian Seassal

Research output: Contribution to journalArticle

174 Citations (Scopus)

Abstract

We propose a design that increases significantly the absorption of a thin layer of absorbing material such as amorphous silicon. This is achieved by patterning a one-dimensional photonic crystal (1DPC) in this layer. Indeed, by coupling the incident light into slow Bloch modes of the 1DPC, we can control the photon lifetime and then, enhance the absorption integrated over the whole solar spectrum. Optimal parameters of the 1DPC maximize the integrated absorption in the wavelength range of interest, up to 45% in both S and P polarization states instead of 33% for the unpatterned, 100 nm thick amorphous silicon layer. Moreover, the absorption is tolerant with respect to fabrication errors, and remains relatively stable if the angle of incidence is changed.

Original languageEnglish
Pages (from-to)14312-14321
Number of pages10
JournalOptics Express
Volume17
Issue number16
DOIs
Publication statusPublished - 3 Aug 2009
Externally publishedYes

Fingerprint

solar cells
photonics
augmentation
silicon
thin films
amorphous silicon
crystals
solar spectra
incidence
life (durability)
fabrication
photons
polarization
wavelengths

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Park, Y., Drouard, E., Daif, O. E., Letartre, X., Viktorovitch, P., Fave, A., ... Seassal, C. (2009). Absorption enhancement using photonic crystals for silicon thin film solar cells. Optics Express, 17(16), 14312-14321. https://doi.org/10.1364/OE.17.014312

Absorption enhancement using photonic crystals for silicon thin film solar cells. / Park, Yeonsang; Drouard, Emmanuel; Daif, Ounsi El; Letartre, Xavier; Viktorovitch, Pierre; Fave, Alain; Kaminski, Anne; Lemiti, Mustapha; Seassal, Christian.

In: Optics Express, Vol. 17, No. 16, 03.08.2009, p. 14312-14321.

Research output: Contribution to journalArticle

Park, Y, Drouard, E, Daif, OE, Letartre, X, Viktorovitch, P, Fave, A, Kaminski, A, Lemiti, M & Seassal, C 2009, 'Absorption enhancement using photonic crystals for silicon thin film solar cells', Optics Express, vol. 17, no. 16, pp. 14312-14321. https://doi.org/10.1364/OE.17.014312
Park Y, Drouard E, Daif OE, Letartre X, Viktorovitch P, Fave A et al. Absorption enhancement using photonic crystals for silicon thin film solar cells. Optics Express. 2009 Aug 3;17(16):14312-14321. https://doi.org/10.1364/OE.17.014312
Park, Yeonsang ; Drouard, Emmanuel ; Daif, Ounsi El ; Letartre, Xavier ; Viktorovitch, Pierre ; Fave, Alain ; Kaminski, Anne ; Lemiti, Mustapha ; Seassal, Christian. / Absorption enhancement using photonic crystals for silicon thin film solar cells. In: Optics Express. 2009 ; Vol. 17, No. 16. pp. 14312-14321.
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