Abstract
We report here on the synthesis and properties of a monosubstituted quaterthiophene derivative asymmetrically functionalized by an electron-withdrawing group using the palladium-catalyzed Stille's coupling reaction. The UV-vis absorption spectrum evidences a strong intramolecular charge transfer transition. Thus oligothiophenes act as electron donors and substituent group as acceptor. The diodes in which monosubstituted quaterthiophenes behave as organic semiconductors, exhibit a rectifying behavior. Photovoltaic measurements show moderate power conversion efficiency.
| Original language | English |
|---|---|
| Pages (from-to) | 916-922 |
| Number of pages | 7 |
| Journal | Solar Energy Materials and Solar Cells |
| Volume | 90 |
| Issue number | 7-8 |
| DOIs | |
| Publication status | Published - 5 May 2006 |
| Externally published | Yes |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Oligothiophenes
- Organic photovoltaic
- Organic semiconductors
- Quaterthiophenes
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