Transport spectroscopy of chemical nanostructures: The case of metallic single-walled carbon nanotubes

Article Abstract:

Transport spectroscopy, a technique based on current-voltage measurements of individual nanostructures in three-terminal transistor geometry, has emerged as a powerful new tool to investigate the electronic properties of chemically derived nanostructures. The utility of the technique is presented using the studies of single-nanotube transistors.

Signal Transistors, Nanotechnology, Chemical properties, Nanotubes

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Time-resolved spectroscopy of organic dendrimers and branched chromophores

Article Abstract:

The nonlinear optical and excited state dynamics of different dendritic and other branching chromophore structures are discussed. The study focuses on the aspect of intramolecular interactions in a branched system and its importance to enhanced nonlinear optical effects useful for modern optical devices.

Structure, Chromophores, Dendrimers

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Electron injection at dye-sensitized semiconductor electrodes

Article Abstract:

Recent time-resolved spectroscopic studies of electron injection and charge recombination are reviewed. The studies have revealed the limitations of the classical models and have led to a better understanding of electron injection mechanisms.

Semiconductor Devices, Semiconductor device, Spectra, Electrodes

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