Three-Dimensional Structure of P3HT Assemblies in Organic Solvents Revealed by Cryo-TEM

Poly(3-hexylthiophene) (P3HT) assemblies in vitrified organic solvents were visualized at nanometer scale resolution by cryo-transmission electron microscopy, low dose electron diffraction, and cryo-tomography revealing a three-dimensional lamellar structure formed by the stacking of the conjugated...

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Bibliographic Details
Published in:Nano letters 2014-04, Vol.14 (4), p.2033-2038
Main Authors: Wirix, Maarten J. M, Bomans, Paul H. H, Friedrich, Heiner, Sommerdijk, Nico A. J. M, de With, Gijsbertus
Format: Article
Language:English
Subjects:
Assemblies
Condensed matter: structure, mechanical and thermal properties
Cross-disciplinary physics: materials science
rheology
Crystals
Dispersions
Electron microscopy
Exact sciences and technology
Lamellar structure
Materials science
Nanocrystalline materials
Nanoscale materials and structures: fabrication and characterization
Nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals
Nanostructure
Physics
Quantum wires
Solvents
Structure of solids and liquids
crystallography
Three dimensional
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Summary:Poly(3-hexylthiophene) (P3HT) assemblies in vitrified organic solvents were visualized at nanometer scale resolution by cryo-transmission electron microscopy, low dose electron diffraction, and cryo-tomography revealing a three-dimensional lamellar structure formed by the stacking of the conjugated backbones of P3HT with a distance of 1.7 nm and increased order in the bulk of the nanowire. This combination of techniques reveals local structures in dispersion and the condensed state that play a crucial role in the performance of organic electronic devices.
ISSN:1530-6984
1530-6992
DOI:10.1021/nl5001967