Carotene as a molecular wire: conducting atomic force microscopy

Article Abstract:

A study was conducted on the development of molecular wires using a variety of proposed materials including the use of organic molecules with large de-localized pi electron systems such as carotenoid polyene. The experiment used conducting atomic force microscopy to contact individual carotenoids embedded in an insulating alkanethiol monolayer on a gold surface with a controlled force to measure the resistance of the molecule. Results are discussed.

Research, Case studies, Nanotechnology, Organic compounds, Atomic force microscopy, Polyenes

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Photoelectrochemistry of a pigment used in artificial photosynthesis: an anilinocarotenoid

Article Abstract:

The experiment was conducted on the photochemistry of a pigment used in artificial photosynthesis revealed that the synthetic carotenoid H2APC is able to form stable monolayers at an air-water interface at pH~5. The result shows that the absorption of light by the carotenoid pigment is responsible for the photocurrent effects and the photoresponse increases linearly with the number of LB layers.

Photosynthesis

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Reply to the comment on 'electron source in photoinduced hydrogen production on Pt-Supported TiO(sub 2) particles'

Article Abstract:

The structural change of TiO2 as one of the possibilities in oxidation Ti(super 4+) to Ti(super 5+) as most probable mechanisms are discussed. Different views on the real photochemical reaction process on TiO2 are invited.

Titanium compounds, Chemical properties

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