Organic modification of mesoporous silicon rugate filters: the influence of nanoarchitecture on optical behaviour
by Kristopher A. Kilian, Till Bocking, Leo M.H. Lai, Suhrawardi Ilyas, Katharina Gaus, Michael Gal, J. Justin Gooding
International Journal of Nanotechnology (IJNT), Vol. 5, No. 2/3, 2008

Abstract: The internal nanostructure and optical properties of mesoporous silicon rugate filters prepared on different p⁺ type silicon substrates are compared for applications in biosensing. Chemical derivatisation of the internal surface by undecenoic acid hydrosilylation results in red-shifting of the resonant wavelength of the filter, whereby the magnitude of the red shift is found to be a function of the pore morphology. The pore structure was found to play a significant role during infiltration of protein into the photonic crystal.

Online publication date: Wed, 30-Jan-2008

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