Synthesis of Thienyl Analogues of PCBM and Their Morphology in P3HT Mixtures
Author Information
Author(s): Matsumoto Fukashi, Moriwaki Kazuyuki, Takao Yuko, Ohno Toshinobu
Primary Institution: Osaka Municipal Technical Research Institute
Hypothesis
The structure of fullerene derivatives affects the morphology of the active layer of a photovoltaic device.
Conclusion
The thienyl analogues of PCBM synthesized in this study showed improved solubility and different morphology compared to PCBM.
Supporting Evidence
- The synthesized thienyl analogues showed varying solubility in dichloromethane.
- es-TThCBM exhibited 1.4 times greater solubility than PCBM.
- The morphology of the films containing thienyl analogues differed from that of PCBM.
Takeaway
The researchers made new versions of a chemical used in solar cells and found that one of them dissolved better than the original, which could help make better solar panels.
Methodology
Thienyl-substituted methanofullerenes were synthesized and their morphology was analyzed using AFM and UV-Vis absorption spectroscopy.
Limitations
The study did not explore all possible acceptor materials and focused only on specific thienyl analogues.
Digital Object Identifier (DOI)
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