PVDF based flexible piezoelectric nanogenerators using conjugated polymer:PCBM blend systems
- Title
- PVDF based flexible piezoelectric nanogenerators using conjugated polymer:PCBM blend systems
- Author
- 성태현
- Keywords
- Conjugated polymer; PCBM; Blend system; PVDF; Piezoelectric nanogenerator
- Issue Date
- 2017-06
- Publisher
- ELSEVIER SCIENCE SA
- Citation
- SENSORS AND ACTUATORS A-PHYSICAL, v. 259, page. 112-120
- Abstract
- Piezoelectric energy harvesting technology has received much attention as a powerful source of energy for a self-powered system. In this study, three main conjugated polymers that have delocalized pi-electrons and excellent charge transport properties were studied: poly(3-hexylthiophene) (P1), poly[(4,8-di-(2-ethylhexyloxy)benzo[1,2-b:4,5-b']dithiophene-2,6-diyl)-alt-(5,5'-yl-4,4'-bis(dodecyl)-2,2'-bithiophene)] (P2) and poly[(4,8-di-(2-ethylhexyloxy)benzo[1,2-b:4,5-b']dithiophene-2,6-diyl)-alt-(5,5'-yl-4,4'-bis(2-ethylhexyl)-2,2'-bithiophene)] (P3). Each of three polymers was blended with phenyl-C61-butyric acid methyl ester (PCBM61), and the blend systems were used to make PVDF based piezoelectric nanogenerators (PNG-0-3). Polymers showed bimodal structures that have a majority edge-on orientation, forming a minority face-on orientation. At a 2 Hz frequency and 0.2 mm displacement, the output voltages (peak-to-peak) of PNG-(03) were 35.0 V, 41.2 V, 42.2 V and 43.1 V, respectively, and the output currents (peak-to-peak) were 558.5 nA, 569.5 nA, 572 nA and 589 nA, respectively. The energy conversion efficiencies of PNGs (03) were 6.47%, 11.62%, 13.36%, and 14.33%, respectively; therefore, the efficiency was improved by up to about 2.2 times. (C) 2017 Elsevier B.V. All rights reserved.
- URI
- https://www.sciencedirect.com/science/article/abs/pii/S0924424716306318?via%3Dihubhttps://repository.hanyang.ac.kr/handle/20.500.11754/114583
- ISSN
- 0924-4247
- DOI
- 10.1016/j.sna.2017.03.013
- Appears in Collections:
- COLLEGE OF ENGINEERING[S](공과대학) > ELECTRICAL AND BIOMEDICAL ENGINEERING(전기·생체공학부) > Articles
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