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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 6 — Mar. 15, 2010
  • pp: 5993–6007

A comprehensive study for the plasmonic thin-film solar cell with periodic structure

Wei E. I. Sha, Wallace C. H. Choy, and Weng Cho Chew  »View Author Affiliations

Optics Express, Vol. 18, Issue 6, pp. 5993-6007 (2010)

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A comprehensive study of the plasmonic thin-film solar cell with the periodic strip structure is presented in this paper. The finite-difference frequency-domain method is employed to discretize the inhomogeneous wave function for modeling the solar cell. In particular, the hybrid absorbing boundary condition and the one-sided difference scheme are adopted. The parameter extraction methods for the zeroth-order reflectance and the absorbed power density are also discussed, which is important for testing and optimizing the solar cell design. For the numerical results, the physics of the absorption peaks of the amorphous silicon thin-film solar cell are explained by electromagnetic theory; these peaks correspond to the waveguide mode, Floquet mode, surface plasmon resonance, and the constructively interference between adjacent metal strips. The work is therefore important for the theoretical study and optimized design of the plasmonic thin-film solar cell.

© 2010 Optical Society of America

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(050.1755) Diffraction and gratings : Computational electromagnetic methods
(310.6628) Thin films : Subwavelength structures, nanostructures
(310.6805) Thin films : Theory and design

ToC Category:
Solar Energy

Original Manuscript: February 9, 2010
Revised Manuscript: March 4, 2010
Manuscript Accepted: March 5, 2010
Published: March 10, 2010

Wei E. I. Sha, Wallace C. H. Choy, and Weng Cho Chew, "A comprehensive study for the plasmonic thin-film solar cell with periodic structure," Opt. Express 18, 5993-6007 (2010)

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