TY - JOUR
T1 - Ferroelectric and piezoelectric properties of poly(vinylidene fluoride-trifluoroethylene) gels
AU - Fukagawa, Miki
AU - Koshiba, Yausko
AU - Morimoto, Masahiro
AU - Ishida, Kenji
N1 - Publisher Copyright:
© 2017 The Japan Society of Applied Physics.
PY - 2017/4
Y1 - 2017/4
N2 - The structural, ferroelectric, and piezoelectric properties of poly(vinylidene fluoride-trifluoroethylene) [P(VDF-TrFE)] gels fabricated using poly(pyridinium-1,4-diyliminocarbonyl-1,4-phenylenemethylene thiocyanate) (PICPM-SCN) as a gelator are investigated in this study. The P(VDF-TrFE)/PICPM-SCN composites formed thermally reversible physical gels and their analysis by Fourier transform infrared spectroscopy revealed that the P(VDF-TrFE) molecules in these gels exhibit predominantly the ferroelectric phase I (Form β). Furthermore, the polarization switching peaks of the P(VDF-TrFE)/PICPM-SCN gel films were clearly observed. The coercive electric field for these gel films was estimated to be 2MV/m, which is dramatically lower than the values typically observed for P(VDF-TrFE) solid films (50MV/m). Finally, the P(VDF-TrFE)/PICPMSCN gel films exhibited a piezoelectric response, and the highest piezoelectric coefficient was determined to be ∼53pm/V at an applied voltage frequency of 4 kHz.
AB - The structural, ferroelectric, and piezoelectric properties of poly(vinylidene fluoride-trifluoroethylene) [P(VDF-TrFE)] gels fabricated using poly(pyridinium-1,4-diyliminocarbonyl-1,4-phenylenemethylene thiocyanate) (PICPM-SCN) as a gelator are investigated in this study. The P(VDF-TrFE)/PICPM-SCN composites formed thermally reversible physical gels and their analysis by Fourier transform infrared spectroscopy revealed that the P(VDF-TrFE) molecules in these gels exhibit predominantly the ferroelectric phase I (Form β). Furthermore, the polarization switching peaks of the P(VDF-TrFE)/PICPM-SCN gel films were clearly observed. The coercive electric field for these gel films was estimated to be 2MV/m, which is dramatically lower than the values typically observed for P(VDF-TrFE) solid films (50MV/m). Finally, the P(VDF-TrFE)/PICPMSCN gel films exhibited a piezoelectric response, and the highest piezoelectric coefficient was determined to be ∼53pm/V at an applied voltage frequency of 4 kHz.
UR - http://www.scopus.com/inward/record.url?scp=85017121235&partnerID=8YFLogxK
U2 - 10.7567/JJAP.56.04CL03
DO - 10.7567/JJAP.56.04CL03
M3 - 学術論文
AN - SCOPUS:85017121235
SN - 0021-4922
VL - 56
JO - Japanese Journal of Applied Physics
JF - Japanese Journal of Applied Physics
IS - 4
M1 - 04CL03
ER -