Correlation of the number of thiophene units with structural order and carrier mobility in unsubstituted even- and odd-numbered alpha-oligothiophene films

Article Abstract:

The correlation of the number of thiophene with the structural order and carrier mobility of the films through studies on thin-film transistors based (TFTs) based on alpha-quinquethiophene (5T), alpha-sexithiophene (6T), and alpha-septithiohene (7T) is investigated. The structural order intrinsically in grown films and carrier mobilities extrinsically in their TFTs are affected due to the parity of the number of thiophene units

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Fluorescent crystallization of isomeric quinoline-capped thiophene oligomer in thin films grown by hot-wall epitaxy

Article Abstract:

Crystal growth and fluorescent characteristics of a quinoline-capped thiophene oligomer is investigated in thin films grown on the (001) surface of KCl by a hot-wall epitaxy technique. The cis- and trans- configurations of the quinoline groups vary the electrostatic intermolecular interactions in the solid state.

Science & research, Research, Solid state chemistry

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Spectroscopic features of thin films of thiophene/phenylene co-oligomers with vertical molecular alignment

Article Abstract:

Spectroscopic features of various thiophene/phenylene co-oligomers with various molecular sizes and shapes in the form of thin films are investigated. The vertical molecular alignment is assumed more readily by shorter oligomers than longer oligomers is discovered.

Oligomers

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