✦ LIBER ✦

Synthesis of a Novel Fused Thiophene-thieno[3,2-b]thiophene-thiophene Donor Monomer and Co-polymer for Use in OPV and OFETs

✍ Scribed by Hugo Bronstein; Raja Shahid Ashraf; Youngju Kim; Andrew J. P. White; Thomas Anthopoulos; Kigook Song; David James; Weimin Zhang; Iain McCulloch

Publisher: John Wiley and Sons
Year: 2011
Tongue: English
Weight: 360 KB
Volume: 32
Category: Article
ISSN: 1022-1336
DOI: 10.1002/marc.201100417

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

The synthesis of a novel fused hexacyclic electron rich monomer incorporating thieno[3,2‐b]thiophene is reported and characterized by single crystal X‐ray diffraction. Suzuki co‐polymerization with benzothiadiazole (BT) afforded a novel low band‐gap polymer P4TBT with high molecular weights and good solution processability. Bulk heterojunction solar cell devices using the P4TBT and [70]PCBM gave power conversion efficiencies of 2.5%. Top‐gate, bottom‐contact field effect transistors (FETs) using P4TBT displayed high hole mobilities of 0.07 cm^2^ · Vs^−1^ demonstrating the suitability of the novel monomer and polymer for use in high performing organic electronic devices.magnified image

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