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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 15 — Jul. 29, 2013
  • pp: 18336–18343

The enhancement of photo-thermo-electric conversion in tilted Bi2Sr2Co2Oy thin films through coating a layer of single-wall carbon nanotubes light absorber

Shufang Wang, Zilong Bai, Guoying Yan, Hongrui Zhang, Jianglong Wang, Wei Yu, and Guangsheng Fu  »View Author Affiliations

Optics Express, Vol. 21, Issue 15, pp. 18336-18343 (2013)

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Light-induced transverse thermoelectric effect has been investigated in c-axis tilted Bi2Sr2Co2Oy thin films coated with a single-wall carbon nanotubes light absorption layer. Open-circuit voltage signals were detected when the sample surface was irradiated by different lasers with wavelengths ranging from ultraviolet to near-infrared and the voltage sensitivity was enhanced as a result of the increased light absorption at the carbon nanotubes layer. Moreover, the enhancement degree was found to be dependent on the laser wavelength as well as the absorption coating size. This work opens up new strategy toward the practical applications of layered cobaltites in photo-thermo-electric conversion devices.

© 2013 OSA

OCIS Codes
(350.5340) Other areas of optics : Photothermal effects
(160.5335) Materials : Photosensitive materials
(310.6845) Thin films : Thin film devices and applications

ToC Category:
Thin Films

Original Manuscript: May 21, 2013
Revised Manuscript: July 13, 2013
Manuscript Accepted: July 14, 2013
Published: July 24, 2013

Shufang Wang, Zilong Bai, Guoying Yan, Hongrui Zhang, Jianglong Wang, Wei Yu, and Guangsheng Fu, "The enhancement of photo-thermo-electric conversion in tilted Bi2Sr2Co2Oy thin films through coating a layer of single-wall carbon nanotubes light absorber," Opt. Express 21, 18336-18343 (2013)

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