A METHOD OF ALIGNING POLYMER CHAINS

MATTI KNAAPILA, (Keksijä), E HORSBURGH, LOCKHART, (Keksijä), P MONKMAN, ANDREW, (Keksijä), OLLI IKKALA, (Keksijä)

Tutkimustuotos: PatenttiPatent

Abstrakti

A hierarchical self-assembly in comb-shaped supramolecules of conjugated rod-like polymers and a novel concept to obtain the aligned solid state via cleaving side groups from the supramolecules are described. The supramolecules may consist of poly(2,5-pyridinediyl), acid dopants, and hydrogen bonded side chains. Films thereof are fluids even without an additional solvent and show thermotropic liquid crystallinity. They reveal exceptional degree of self-assembled order and the fluid state allows facile overall alignment yielding anisotropic opto-electronic properties, such as high dichroism and polarized emission. After alignment, cleavage of the side chains results in stable solid films with high optical anisotropy and enhanced photonic efficiency, such as improved photoluminescence quantum yield.

AlkuperäiskieliEnglanti
PatenttinumeroWO03082948
IPCC09K 11/ 06 A I
Prioriteetti päiväys28/03/2002
TilaJulkaistu - 9 lokak. 2003
OKM-julkaisutyyppiH1 Myönnetty patentti

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