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지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 지도교수
- 박상식
- 발행연도
- 2021
- 저작권
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초록· 키워드
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Since Pb(ZrxTi1-x)O3 (PZT) has excellent performance of the piezoelectric element, most of piezoelectric material research have been conducted using PZT. However, since it was known that lead contained in PZT is toxic to humans, and the use of lead was restricted for the environment and humanity in accordance with Directives 2002/95/EC and 2002/96/EC issued by the EU. Many teams have been working on making harmless piezoelectric devices.
In this study, we studied the energy generating properties of lead-free ceramics Na0.5Bi0.5TiO3(NBT) and K0.5Bi0.5TiO3(KBT) to replace PZT. In order to increase the efficiency of the output voltage of the piezoelectric material, a more efficient piezoelectric material was made by changing the annealing temperature, annealing time, and poling voltage. The output voltage of NBT was obtained when the annealing temperature was performed at 590°C for 1 hour, and the output voltage of KBT was obtained when annealing was performed at 700°C for 1 hour. When the the polling voltage increase, it can be confirmed that the output voltage additionally increases.
The manufactured piezoelectric element did not have an output voltage high enough to replace the PZT. However, lead free materials such as NBT and KBT exhibits power generation characteristics, it shows the potential as a lead-free piezoelectric device.
In this study, we studied the energy generating properties of lead-free ceramics Na0.5Bi0.5TiO3(NBT) and K0.5Bi0.5TiO3(KBT) to replace PZT. In order to increase the efficiency of the output voltage of the piezoelectric material, a more efficient piezoelectric material was made by changing the annealing temperature, annealing time, and poling voltage. The output voltage of NBT was obtained when the annealing temperature was performed at 590°C for 1 hour, and the output voltage of KBT was obtained when annealing was performed at 700°C for 1 hour. When the the polling voltage increase, it can be confirmed that the output voltage additionally increases.
The manufactured piezoelectric element did not have an output voltage high enough to replace the PZT. However, lead free materials such as NBT and KBT exhibits power generation characteristics, it shows the potential as a lead-free piezoelectric device.
목차
1. 서론 11.1 압전 소자와 발전특성 11.2 Na0.5Bi0.5TiO3 (NBT) 61.3 K0.5Bi0.5TiO3 (KBT) 131.4 졸-겔법 171.5 분극 191.6 연구의 목적 212. 실험 222.1 박막 제조 222.1.1 NBT 졸 합성 222.1.2 KBT 졸 합성 222.1.3 딥코팅 242.1.4 전극 형성 및 패키징 262.1.5 분극 272.2 특성평가 283. 결과 303.1 NBT 박막의 성질 303.1.1 NBT 박막의 미세구조 및 조성분포 303.1.2 NBT 박막의 결정성 383.1.3 NBT 박막의 출력전압 403.2 KBT 박막의 성질 463.2.1 KBT 박막의 미세구조 및 조성분포 463.2.2 KBT 박막의 결정성 503.2.3 KBT 박막의 출력전압 524. 결론 58참고문헌 60초록 66
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