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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 4, Iss. 2 — Feb. 1, 2014
  • pp: 346–351

Spin-coated Ag nanoparticles for enhancing light absorption of thin film a-Si:H solar cells

Chan Il Yeo, Jang Hun Choi, Joon Beom Kim, Jeong Chul Lee, and Yong Tak Lee  »View Author Affiliations


Optical Materials Express, Vol. 4, Issue 2, pp. 346-351 (2014)
http://dx.doi.org/10.1364/OME.4.000346


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Abstract

We fabricate silver (Ag) nanoparticles (NPs) on the rear surface of thin film hydrogenated amorphous silicon (a-Si:H) solar cells to enhance the light absorption using spin-coating Ag ink, which can produce Ag NPs by a simple, fast, and inexpensive method. Ink concentration and sintering temperature of the spin-coating Ag ink are optimized to maximize the light absorption in the solar cell by tuning the size and distribution as well as the surface coverage of the Ag NPs. The thickness of a SiNx spacer layer, which was embedded between the solar cell and the Ag NPs for electrical isolation, dependent optical properties of the solar cell is also systematically investigated. The thin film a-Si:H solar cell with a thin SiNx spacer layer and the Ag NPs showed great potential for realizing cost-effective high-efficiency solar cells.

© 2014 Optical Society of America

OCIS Codes
(160.4760) Materials : Optical properties
(290.5850) Scattering : Scattering, particles
(350.6050) Other areas of optics : Solar energy
(220.4241) Optical design and fabrication : Nanostructure fabrication

ToC Category:
Nanomaterials

History
Original Manuscript: October 28, 2013
Revised Manuscript: December 31, 2013
Manuscript Accepted: January 13, 2014
Published: January 27, 2014

Citation
Chan Il Yeo, Jang Hun Choi, Joon Beom Kim, Jeong Chul Lee, and Yong Tak Lee, "Spin-coated Ag nanoparticles for enhancing light absorption of thin film a-Si:H solar cells," Opt. Mater. Express 4, 346-351 (2014)
http://www.opticsinfobase.org/ome/abstract.cfm?URI=ome-4-2-346


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References

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