Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 21, Issue 5, Pages 1582-1592Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0jm02359k
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Funding
- Dutch Ministry of Economic Affairs [GMM.9648]
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We demonstrate the use of bis(pinacolato)diboron to directly polymerize symmetric, bisbromo, thiophene-based monomers via a Suzuki homo-polymerization to form co-polymers in less steps than the corresponding co-polymerization. We compare this method to the commonly used Stille co-polymerization by preparing four thiophene-based co-polymers using both methods. We use MALDI-TOF mass spectrometry to show that this new method produces high-quality, uniform polymers with narrow distributions of end-groups. By varying the electronegativity of the monomers, we demonstrate rudimentary control over these end-groups, forming either bis-H-, mono-H-mono-Br-, or bis-Br-terminated polymers in order of increasing electronegativity.
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