Organic modification of mesoporous silicon rugate filters: the influence of nanoarchitecture on optical behaviour Online publication date: Wed, 30-Jan-2008
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.
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