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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 15 — Aug. 1, 2014
  • pp: 4571–4574

Enhanced photorefractive performance of polymeric composites through surface plasmon effects of gold nanoparticles

Jongwan Choi, Seok-Hwan Ji, Chil-Sung Choi, Jin-Woo Oh, Felix Sunjoo Kim, and Nakjoong Kim  »View Author Affiliations

Optics Letters, Vol. 39, Issue 15, pp. 4571-4574 (2014)

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We investigated the photorefractivity enhancement of polymeric composites by introducing gold nanoparticles (NPs). The gold NPs enhance the photocharge generation rate of sensitizers through plasmon resonance coupling achieved between NPs and sensitizers. Systematic studies show that the presence of gold NPs has increased photocharge generation efficiency, photoconductivity, diffraction efficiency, refractive index modulation, and photorefractive (PR) grating formation rate. The gold-NP-doped PR sample exhibits 2 times larger photocharge generation efficiency and photoconductivity, and 2.5 times faster PR grating formation rate compared to the control sample without the NPs.

© 2014 Optical Society of America

OCIS Codes
(160.5320) Materials : Photorefractive materials
(190.0190) Nonlinear optics : Nonlinear optics
(190.4710) Nonlinear optics : Optical nonlinearities in organic materials
(230.4320) Optical devices : Nonlinear optical devices

ToC Category:
Nonlinear Optics

Original Manuscript: June 9, 2014
Revised Manuscript: July 1, 2014
Manuscript Accepted: July 1, 2014
Published: July 30, 2014

Jongwan Choi, Seok-Hwan Ji, Chil-Sung Choi, Jin-Woo Oh, Felix Sunjoo Kim, and Nakjoong Kim, "Enhanced photorefractive performance of polymeric composites through surface plasmon effects of gold nanoparticles," Opt. Lett. 39, 4571-4574 (2014)

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