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Multifunctional hybrid nanostructures composed of noble metais, semiconductors, metal oxides, and carbonaceous moieties are fabricated based on block copolymer self-assembly coupled with sol-gel process and galvanic displacement reaction. A new protocol for the build-up of multilayers of inorganic nanoparticles constructed by stepwise build-up of amphiphilic micellar nanotemplates is established....
One dimensional (1D) Schottky diodes between metals and carbon nanotubes (CNTs) can separate the photo-generated electron-hole (e-h) pairs in order to produce photocurrent in the CNT infrared (IR) sensors for detection and quantification. However, the traditional Schottky barrier theories developed for the metal and planar semiconductor contacts are different from the contacts between metal and CNT...
A numerical simulation has been performed for the DNA sensors based on the field-effect-transistor (FET) structure of a CNT with the gold island- attached on the CNT tube. The model uses the Poisson-drift-diffusion theory for the CNT transistor and considers the charge exchange between the interfaces between the CNT and gold island, gold and the linker molecules. In order to compare with experiments,...
The composite structure of silicon tips and vertical aligned carbon nanotubes (CNTs) was prepared using plasma enhanced hot filament chemical vapor deposition (PE-HFCVD) method on the silicon wafer, and Au/Ni film coated on the substrate was considered as a catalyst. High proportion hydrogen of 96% volume percentage and high total pressure are used during preparing process, and the pure CNTs, pure...
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