Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 30, Issue 15, Pages 1323-1327Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200900186
Keywords
conjugated polymers; electro-optical materials hyperbranched polymers; polythiophene; structure-property relationships
Categories
Funding
- DFG [SPP-1355]
- Emmy-Noether program
- Excellence Initiative of the German Federal and State Governments
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Hyperbranched polythiophenes were prepared via a simple one-pot synthesis approach based on oxidative coupling of branched conjugated monomers. Only small variations in the building unit and architecture lead to large differences of absorption and photoluminescence properties. Interestingly, soluble hyperbranched polythiophenes with relatively small molecular weights show enhanced absorption at low and high wavelengths compared to linear analogues, such as poly(3-hexyl thiophenes) with high molecular weights. With this versatile approach we present a method to design tailor made, functional materials with potential applications in optoelectronics.
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