Driving force for electron transport in porous nanostructured photoelectrodes

Article Abstract:

Research was conducted to examine the driving force that results in the net flow of photogenerated electrons using a porous nanostructured semiconducting electrode. Calculations will take into account diffusion and the role of nonuniform photoinduced charging of the semiconducting network. Results indicate that photoinduced interfacial charging of the network caused by electron trapping can intensify the driving force. However, it does not alter the transport characteristics.

Electron transport

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Charge carrier dynamics in illuminated, particulate ZnO electrodes

Article Abstract:

The charge carrier dynamics in illuminated nanoporous ZnO electrodes consisting of 5 nm particles were investigated. The result indicates that the electronic transport in the ZnO electrodes was fast, the tunneling of electrons from the ZnO particles to the conducting substrate was much slower.

Electric properties, Zinc oxide

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A computational and experimental study of the cyclic voltammetry response of partially blocked electrodes. Part II: randomly distributed and overlapping blocking systems

Article Abstract:

The general transient response of a PBE for which the blocks are distributed across an electrode surface at random intervals is characterized. A method is also presented for the determination of currents at electrode surfaces that have an unstructured blocking pattern.

Electrochemistry

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