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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 2, Iss. 6 — Jun. 1, 2012
  • pp: 700–707

Deterministic control of structural and optical properties of plasma-grown vertical graphene nanosheet networks via nitrogen gas variation

Dong Han Seo, Shailesh Kumar, Amanda Evelyn Rider, Zhaojun Han, and Kostya (Ken) Ostrikov  »View Author Affiliations

Optical Materials Express, Vol. 2, Issue 6, pp. 700-707 (2012)

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The effect of nitrogen on the growth of vertically oriented graphene nanosheets on catalyst-free silicon and glass substrates in a plasma-assisted process is studied. Different concentrations of nitrogen were found to act as versatile control knobs that could be used to tailor the length, number density and structural properties of the nanosheets. Nanosheets with different structural characteristics exhibit markedly different optical properties. The nanosheet samples were treated with a bovine serum albumin protein solution to investigate the effects of this variation on the optical properties for biosensing through confocal micro-Raman spectroscopy and UV-Vis spectrophotometry.

© 2012 OSA

OCIS Codes
(160.4760) Materials : Optical properties
(310.1860) Thin films : Deposition and fabrication
(160.4236) Materials : Nanomaterials

ToC Category:

Original Manuscript: March 15, 2012
Revised Manuscript: April 19, 2012
Manuscript Accepted: April 24, 2012
Published: April 30, 2012

Virtual Issues
Nanocarbon for Photonics and Optoelectronics (2012) Optical Materials Express

Dong Han Seo, Shailesh Kumar, Amanda Evelyn Rider, Zhaojun Han, and Kostya (Ken) Ostrikov, "Deterministic control of structural and optical properties of plasma-grown vertical graphene nanosheet networks via nitrogen gas variation," Opt. Mater. Express 2, 700-707 (2012)

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