Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 1, Issue 25, Pages 7332-7338Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ta10792b
Keywords
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Funding
- Fok Ying Tung education foundation [131044]
- Fundamental Research Funds for the Central Universities [lzujbky-2010-k01, lzujbky-2012-210]
- Lanzhou University
- New Academic Researcher Award for Doctoral Candidates
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High performance nanogenerators (NGs) are critically important for energy harvesting and powering micro/nano-devices. Environmentally friendly nanowires (NWs) with high piezoelectric coefficients are highly desirable for enhancing NGs' performance and expanding their applications. In this paper, we synthesized a new kind of lead-free 0.5Ba(Zr0.2Ti0.8)O-3-0.5(Ba0.7Ca0.3)TiO3 (BZT-BCT) NWs with high piezoelectric coefficients through the electrospinning method and subsequent calcining process. Their crystal structure and formation mechanism were systematically studied. Furthermore, BZT-BCT NWs were made into a high performance flexible NG. It could harvest weak mechanical movement energy and generate an output voltage of 3.25 V and output current of 55 nA, which is large enough to directly power a commercial liquid crystal display (LCD).
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