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Abstract
We prepared highly oriented ferroelectric poly(vinylidene fluoride) (PVDF) Langmuir–Blodgett (LB) nanofilms by an assistance of amphiphilic poly(N-dodecylacrylamide) (pDDA) nanosheets. In the nanofilms, semi-crystalline PVDF contains abundant polar β crystals, a parallel packing of PVDF all-trans molecules. Combing semi-conductive PEDOT:PSS and ferroelectric PVDF LB nanofilms, we fabricated a sandwiched capacitor (Al/PVDF LB nanofilm/PEDOT:PSS/Al). The capacitor shows asymmetric hysteresis curves and high remanent polarization values.
Acknowledgments
This work was partially supported by a Grant-in-aid for Scientific Research (B) (24350112) from the Japan Society for the Promotion of Science (JSPS) and Innovative Areas (25102504) from the Ministry of Education, Culture, Sports, Science, and Technology in Japan (MEXT). The work was also supported by the Nano-Macro Materials, Devices and System Research Alliance (MEXT).