Inderscience Publishers

Organic modification of mesoporous silicon rugate filters: the influence of nanoarchitecture on optical behaviour

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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.

Keywords: porous silicon, photonic crystal, hydrosilylation, rugate filters, optical biosensors, mesoporous silicon, nanostructure, optical properties, nanotechnology, Australia, pore structure

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