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Colloidal semiconducting nano-particles can be fabricated with fine control over size, shape and composition. They have been studied extensively by optical techniques, but very few attempts have been made to wire such particles into an electrical circuit. This work presents a study of wiring individual CdSe and CdS nano-rods, 30-70 nm long and of 4-5 nm diameter, by applying the electron-beam-induced-deposition...
We have developed the technique for in situ monitoring of the process of surface functionalization of the pre-selected 1-D nanostructure with catalytic particles of Pd. The method allows us to compare directly the sensing performance of the individual SnO2 nanobelt chemical sensor before and after surface sensitization. The conductance evolution at early stages of the metal deposition before percolation...
A new method is presented to analyze recombinative desorption from surfaces in an isothermal mode. The activation energy for desorption obtained this way is accurate as long as it is coverage independent. Second order recombinative desorption experiments of 15N2 and D2 from Ru(001) were used to demonstrate this method. The activation energies were Ea(N2) = 48±2 kcal/mol and Ea(D2) = 22±1 kcal/mol...
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