N- and P-channel transport behavior in thin film transistors based on tricyanovinyl-capped oligothiophenes

Article Abstract:

The structural and electrical characterization of thin films of organic semiconductor molecules consisting of an oligothiophene core capped with electron-withdrawing tricyanovinyl (TCV) groups is reported. The results have shown that the substitution of oligothiophene cores with electron-withdrawing groups is a useful strategy for achieving electron-transporting materials.

Structure, High-electron-mobility transistors, High electron mobility transistors

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Exciton migration by ultrafast Forster transfer in highly doped matrixes

Article Abstract:

The energy transfer between dye molecules and the mobility of the corresponding excitons are investigated in polymethyl methacrylate films highly doped with perylene bisimide dyes. The results demonstrate that doping polymer matrixes with perylene dyes is an attractive strategy to design energy transport pathways based on exciton migration.

Plastics Material and Resin Manufacturing, Plastics materials and resins, Polymethyl Methacrylate, Polymethylmethacrylate, Energy transformation

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Fast voltammetric and electrochromic response of semiconductor nanocrystal thin films

Article Abstract:

A simple modification of the thin film preparation using cross-linking molecules is explored. A voltammetric response is recorded for the reduction of the nanocrystals with quantitative injection of electrons in the 1S(sub e) state.

Electrochemical analysis

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