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논문 기본 정보

자료유형
학술저널
저자정보
G M Hasan (East China University of Technology) Ul Banna (East China University of Technology) Il-Kyu Park (Seoul National University of Science and Technology)
저널정보
한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제21권 제6호
발행연도
2020.1
수록면
656 - 661 (6page)

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초록· 키워드

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We report on the voltage output enhancement from ZnO nanorod (NR)-based bendable piezoelectric nanogenerators (PENGs)with a conducting paper. Double-sided carbon paper (DSCP) was used as a conducting substrate. Structural investigations byscanning electron microscope and X-ray diffraction results showed that ZnO NRs were successfully grown via a two-stephydrothermal process on both sides of the CP. Photoluminescence peak intensity ratio of the band-edge to the deep levelemissions from the ZnO NRs on both sides of the CP substrate was similar values in the range of 1.8 to 2, which indicatinga similar crystalline quality of the ZnO NRs on the front and back sides. The output characteristics from the two PENGdevices on the CP substrate showed identical piezoelectric output. The output voltage from the DSCP-based PENG was 2.56-and 1.86-fold greater than that from the single-sided PENG devices on only the front and back of the CP substrate,respectively. This enhancement was attributed to the synergetic effect between the PENGs on the front and back of CP andto the modification of the CP’s electrical properties under an electric field generated by the PENGs on the opposite side of theCP substrate.

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