Issue 25, 2013

Electrospinning lead-free 0.5Ba(Zr0.2Ti0.8)O3–0.5(Ba0.7Ca0.3)TiO3nanowires and their application in energy harvesting

Abstract

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)O3–0.5(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).

Graphical abstract: Electrospinning lead-free 0.5Ba(Zr0.2Ti0.8)O3–0.5(Ba0.7Ca0.3)TiO3 nanowires and their application in energy harvesting

Supplementary files

Article information

Article type
Paper
Submitted
24 Feb 2013
Accepted
03 Apr 2013
First published
03 Apr 2013

J. Mater. Chem. A, 2013,1, 7332-7338

Electrospinning lead-free 0.5Ba(Zr0.2Ti0.8)O3–0.5(Ba0.7Ca0.3)TiO3 nanowires and their application in energy harvesting

W. Wu, L. Cheng, S. Bai, W. Dou, Q. Xu, Z. Wei and Y. Qin, J. Mater. Chem. A, 2013, 1, 7332 DOI: 10.1039/C3TA10792B

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