Deterministic control of structural and optical properties of plasma-grown vertical graphene nanosheet networks via nitrogen gas variation
Seo, D.H., Kumar, S., Rider, A.E., Han, Z., & Ostrikov, K. (2012) Deterministic control of structural and optical properties of plasma-grown vertical graphene nanosheet networks via nitrogen gas variation. Optical Materials Express, 2(6), pp. 700-707.
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 Optical Society of America.
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|Item Type:||Journal Article|
|Divisions:||Current > QUT Faculties and Divisions > Science & Engineering Faculty|
|Deposited On:||09 Jul 2014 03:39|
|Last Modified:||10 Jul 2014 06:59|
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