Charge carrier transport in poly(N-vinylcarbazole): Cds quantum dot hybrid nanocomposite

Article Abstract:

A study conducted shows the mobility of holes in a model nanoparticle-sentisized hybrid organic:inorganic system consisting of poly(N-vinylcarbazole) (PVK) doped with quantum dots of cadmium sulfide. It is concluded that the theoretical model based on time- and mean-free-path dependent mobility is proposed to account for the result, which provides a good fit to the experimental data obtained.

Chemistry, Physical and theoretical, Physical chemistry, Vinyl compounds

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Size and structure-dependent photocatalytic activity of jingle-bell shaped silica-coated cadmium sulfide nanoparticles for methanol dehydrogenation

Article Abstract:

Silica-coated cadmium sulfide nanoparticles (SiO2/CdS) having a jingle-bell structure were prepared via size-selective photoetching and were used as photocatalysts for dehydrogenation of methanol. Irradiation of SiO2/CdS suspended in an aqueous solution containing methanol induced the liberation of hydrogen (H2), the amount of which increased linearly with increase in the time of irradiation.

All Other Basic Organic Chemical Manufacturing, Methanol, Usage, Metal catalysts

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Quantum-dot-functionalized scanning probes for fluorescence-energy-transfer-based microscopy

Article Abstract:

A method to chemically bind CDSe/ZnS nanocrystals to silicon AFM tips for imaging purposes and especially FRET-based microscopy is presented. The nature of the FRET interaction serves to confine the active photonic volume to the tip apex, thus enhancing potential imaging resolution with such probes.

Zinc Sulfate, Quantum chemistry, Chemical bonds

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