Three-centers models for electron transfer through a bridge. 1. Potential energy surfaces

Article Abstract:

A model to elucidate the electronic transfer mechanism in a trinuclear system, initiating from diabatic surfaces comprising of three revolution paraboloids of the same size, particularly potential energy surfaces is presented. The explanation of the contrasted behavior of two mixed valence systems bridged by anthracene and dimethoxybenzodithiophene, which differ by the value of depth parameter, is given, as an application.

Cyclic crudes and intermediates, Anthracine, Analysis, Electron transport, Atomic properties, Methyl groups, Anthracene, Methyl compounds

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Understanding electrochromic processes initiated by dithienylcyclopentene cation-radicals

Article Abstract:

Simple photochromic dithienylethylenes with either a perfluoro or a perhydro cyclopentene ring, and a variety of substituents are prepared and their electrochemical behavior is explored by cyclic voltammetry. The results are important for the potential design of photochromic systems, such as three-state conjugated systems and photochemical molecular switching devices.

Cyclopentadiene, Electric properties, Cations, Chemical properties

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Tailoring the mobility of a 3D molecule adsorbed on a metal surface

Article Abstract:

Spirobifluorene is functionalized first with phenyl and then with thiophene groups in order to inhibit its diffusion. Functionalization with thiophene groups to immobilize molecules on copper surfaces is very promising as it is not restricted only to spirobifluorene but can be extended to other molecules.

France, Usage, Scanning tunneling microscopy, Thiophene, Phenyl compounds

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