期刊
LANGMUIR
卷 25, 期 3, 页码 1272-1276出版社
AMER CHEMICAL SOC
DOI: 10.1021/la8039913
关键词
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资金
- EURYI
- Stichting voor Fundamenteel Onderzoek der Materie (FOM)
- Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO)
- Engineering and Physical Sciences Research Council [EP/F000375/1] Funding Source: researchfish
- EPSRC [EP/F000375/1] Funding Source: UKRI
We have determined the internal organization of elongated sexithiophene aggregates in solution by combining small-angle X-ray scattering and magnetic birefringence experiments. The different aggregate axes can be probed independently by performing the experiments on magnetically aligned aggregates. We have found multi walled cylindrical aggregates consisting of radially oriented sexithiophene molecules with pi-pi-stacking in the tangential direction, a structure that is considerably different from those previously found in other solvents. The aggregate morphology of this semiconducting material can thus be tuned by using different solvents, which offers the attractive perspective to steer chemical self-assembly toward nanostructures with desired functionalities, especially in combination with the alignment in a magnetic field.
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