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Facile Synthesis of Fluorine-Substituted Benzothiadiazole-Based Organic Semiconductors and Their Use in Solution-Processed Small-Molecule Organic Solar Cells
- Authors
- Cho, Nara; Song, Kihyung; Lee, Jae Kwan; Ko, Jaejung
- Issue Date
- 9월-2012
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- charge transfer; halogenation; heterocycles; semiconductors; solar cells
- Citation
- CHEMISTRY-A EUROPEAN JOURNAL, v.18, no.36, pp.11433 - 11439
- Indexed
- SCIE
SCOPUS
- Journal Title
- CHEMISTRY-A EUROPEAN JOURNAL
- Volume
- 18
- Number
- 36
- Start Page
- 11433
- End Page
- 11439
- ISSN
- 0947-6539
- Abstract
- A facile new protocol for the synthesis of iodinated derivatives of fluorinated benzothiadiazoles is demonstrated for the production of p-type semiconducting materials. The newly synthesized small-molecule compounds bis[TPA-diTh]-MonoF-BT and bis[TPA-diTh]-DiF-BT exhibited a power conversion efficiency of 2.95% and a high open-circuit voltage of 0.85 V in solution-processed small-molecule organic solar cells.
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