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A thin-film nanodiamond macro-electrode and a microelectrode array (MEA) with SiO2 film as the insulator, both on a highly doped silicon substrate were fabricated for biosensing applications. Fe(CN)3-/4-6 redox couple is used for electrochemical characterization of the MEA using cyclic voltammetry, which gives a sigmoidal response consistent with hemispherical diffusion limited mass transport mechanism...
pH sensitivity of protein mediated gold nanocrystals modified SiO2 have been investigated using a capacitive EIS (electrolyte-insulator-semiconductor) structure and compared with bare SiO2. The SiO2 surface was first silanized using phenyltriethoxy and then a chaperonin protein array was formed on SiO2 surface. Finally, the chaperonin protein lattice is used to deposit gold nanocrystal on SiO2 surface...
In this work we calculate the electron band structure of a silicon periodic nanostructure embedded into SiO2 and describe the computational implementation we used for this purpose. Further, we discuss the influence of nonparabolicity of electron silicon band structure in the dispersion relation of the periodic nanostructure.
Both (1,0) and (1,1) Ag/SiO2 emission peaks generated by the tri-layer Ag/SiO2/Ag plasmonic thermal emitter with square lattice are investigated. The measured results reveal that the emission intensities of the (1,0) and (1,1) Ag/SiO2 plasmon modes depend sensitively on the energy distribution of a gray-body emitter.
A new self-assembly technique is proposed to fabricate sub-10 nm wide nanotrench array, which is an improved self-assembled process with the direction of surfactant templates. First, the surface of substrate is modified with surfactant P123 to aid the alignment of the surfactant templates micelles in the silica/surfactant solution dip-coated on the substrate during the next step, which improves the...
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