Influence of the PZT film thickness on the structure and electrical properties of the ZnO/PZT heterostructure

Meng, Xiangqin; Yang, Chengtao; Chen, Qingqing; Yang, Jiabin

doi:10.1007/s10854-012-1004-2

Cited by 1 publication

(1 citation statement)

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“…Piezoelectric material-based NGs may play an important role because they can scavenge mechanical energy and transform it into a more flexible form, such as electrical energy. To date, piezoelectric materials based on PZT (lead zirconate titanate) [1][2][3], BaTiO 3 [4,5], polyvinylidene difluoride (PVDF) [6,7], BNT (bismuth sodium titanate) [8], and zinc oxide (ZnO) [9][10][11][12][13][14][15][16][17][18][19][20] have been the most widely investigated ones for use in transducers, actuators, transformers, photonics, optoelectronics, and sensors. However, fiber-based piezoelectric NGs [21][22][23] have not been extensively developed for keyboards because they must be resistant to large mechanical loads.…”

Section: Introductionmentioning

confidence: 99%

Fabrication and Characterization of Zinc Oxide-Based Electrospun Nanofibers for Mechanical Energy Harvesting

Suyitno

Purwanto

Hidayat

et al. 2014

Journal of Nanotechnology in Engineering and Medicine

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Doped and undoped zinc oxide fibers were fabricated by electrospinning at various solution flow rates of 2, 4, and 6 ll/min followed by sintering at 550 C. The nanogenerators (NGs) fabricated from the fibers were examined for their performance by applying loads (0.25-1.5 kg) representing fingers taps on the keyboard. A higher solution flow rate resulted in a larger fiber diameter, thus reducing nanogenerator voltage. The maximum power density for undoped zinc oxide-based and doped zinc oxide-based nanogenerators was 17.6 and 51.7 nW/cm 2 , respectively, under a load of 1.25 kg. Enhancing nanogenerator stability is a topic that should be investigated further.

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