| 학회 |
한국재료학회 |
| 학술대회 |
2016년 가을 (11/16 ~ 11/18, 경주 현대호텔) |
| 권호 |
22권 2호 |
| 발표분야 |
A. 전자/반도체 재료 분과 |
| 제목 |
The Poling Effect on the piezoelectric characteristics of Flexible Lead-free Piezoelectric Nanofiber composites |
| 초록 |
Flexible lead-free piezoelectric nanofiber composites of BNT-ST (0.78Bi0.5Na0.5TiO3-0.22SrTiO3) ceramic and polyvinylidenefluoride (PVDF) polymer were synthesized by an electrospinning method. The poled and unpoled BNT-ST/PVDF nanofiber composites were characterized by XRD and the precision LCR meter to investigate the crystal structure and the dielectric constant. The piezoelectric characteristics were analyzed by the polarization-electric field (P-E) loops, and the possibility of frequency sensor application was confirmed by measuring the output voltage as a function of the frequency of the poled and unpoled BNT-ST/PVDF nanofiber composites. A saturated Vpp value of the poled BNT-ST/PVDF nanofiber composites were improved about 10 % compared to the value of the unpoled BNT-ST/PVDF nanofiber composites. |
| 저자 |
지상현1, 윤지선2, 조정호1, 정영훈1, 백종후1, 윤존도1
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| 소속 |
1한국세라믹기술원 전자소재부품센터, 2경남대 |
| 키워드 |
Piezoelectric; Nanofiber composites; Electrospinning; Lead-free
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| E-Mail |
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