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Energy Express

Energy Express

  • Editor: Bernard Kippelen
  • Vol. 19, Iss. S4 — Jul. 4, 2011
  • pp: A824–A829

Enhanced efficiency of solar-driven thermoelectric generator with femtosecond laser-textured metals

Taek Yong Hwang, A. Y. Vorobyev, and Chunlei Guo  »View Author Affiliations


Optics Express, Vol. 19, Issue S4, pp. A824-A829 (2011)
http://dx.doi.org/10.1364/OE.19.00A824


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Abstract

Through femtosecond laser irradiation, we produce in this work a unique type of surface nanostructure on Al that have enhanced absorption at UV and visible but a relatively small emissivity in infrared. By integrating this laser-treated Al to a solar-driven thermoelectric generator, we show that the thermoelectric generator integrated with the femtosecond laser-treated Al foil generates a significantly higher power than the ones without. Our study shows that our technique can dramatically enhance the efficiency of solar-driven thermoelectric devices that may lead to a leap forward in solar energy harnessing.

© 2011 OSA

OCIS Codes
(320.2250) Ultrafast optics : Femtosecond phenomena
(350.3390) Other areas of optics : Laser materials processing
(350.6050) Other areas of optics : Solar energy

ToC Category:
Solar Energy

History
Original Manuscript: April 21, 2011
Revised Manuscript: May 20, 2011
Manuscript Accepted: May 20, 2011
Published: June 9, 2011

Citation
Taek Yong Hwang, A. Y. Vorobyev, and Chunlei Guo, "Enhanced efficiency of solar-driven thermoelectric generator with femtosecond laser-textured metals," Opt. Express 19, A824-A829 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-S4-A824


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