Flexible Sandwich Piezoelectric Nanogenerators based ZnO Nanorods for Mechanical Energy Harvesting

Raad S Sabry, Ruaa Saadi Kammel

Abstract


We present a flexible sandwich piezoelectric nanogenerators (PENGs) device with gold-coated ZnO nanorods (Au@ ZNRs) as an efficient top electrode; this device was used to harvest energy from the human walking motion. ZNRs were synthesised on the two-piece of ZnO seed layer coated gold/flexible polyethylene terephthalate (Au/PET) substrates through a simple hydrothermal method of low temperature and low cost at molar concentration (0.01M). X-ray diffraction and field emission scanning electron microscopy images revealed that the as-grown ZNRs have high crystallinity and apparent vertical growth with hexagonal shapes, the average diameter of NRs is 120 nm. Flexible sandwich PENGs based ZNRs was fabricated with gold-coated one piece of ZNRs by DC-sputtering method as an efficient top electrode, which was placed on the uncoated ZNRs as-grown on another piece of substrate. The maximum output potential voltage (Vmax) under a periodic of pressing and releasing of human walking is 5.76 V. The results confirmed the top efficient electrode has created more contact area with uncoated NR when it is pressed, which increases the transfer efficiency effectively of piezoelectric potential that generated from uncoated ZNRs.

Keywords


ZnO nanorods; Hydrothermal method; Piezoelectric nanogenerators; Energy harvesting; Efficient top electrode.

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References


B. Kumar and S. W. Kim, Energy harvesting based on semiconducting piezoelectric ZnO nanostructures, vol. 1, no. 3. Elsevier, 2012.

Y. Hu, Y. Zhang, C. Xu, L. Lin, R. L. Snyder, and Z. L. Wang, “Self-powered system with wireless data transmission,” Nano Lett., vol. 11, no. 6, pp. 2572–2577, 2011.

Y. Hu, L. Lin, Y. Zhang, and Z. L. Wang, “Replacing a battery by a nanogenerator with 20 v output,” Adv. Mater., vol. 24, no. 1, pp. 110–114, 2012.

Y. Hu, C. Xu, Y. Zhang, L. Lin, R. L. Snyder, and Z. L. Wang, “A nanogenerator for energy harvesting from a rotating tire and its application as a self-powered pressure/speed sensor,” Adv. Mater., vol. 23, no. 35, pp. 4068–4071, 2011.

J.-H. Lee, J. Kim, T. Y. Kim, M. S. Al Hossain, S.-W. Kim, and J. H. Kim, “All-in-one energy harvesting and storage devices,” J. Mater. Chem. A, vol. 4, no. 21, pp. 7983–7999, 2016.

Z. L. Wang and J. Song, “Piezoelectric Nanogenerators Based on Zinc Oxide Nanowire Arrays,” Science., vol. 312, no. 5771, pp. 242–246, 2006.

Z. L. Wang, X. Wang, J. Song, J. Liu, and Y. Gao, “Piezoelectric nanogenerators for self-powered nanodevices,” IEEE Pervasive Comput., vol. 7, no. 1, pp. 49–55, 2008.

R. Hinchet, S. Lee, G. Ardila, L. Montès, M. Mouis, and Z. L. Wang, “Performance optimization of vertical nanowire-based piezoelectric nanogenerators,” Adv. Funct. Mater., vol. 24, no. 7, pp. 971–977, 2014.

D. Shi, Z. Guo, and N. Bedford, “Electro-Optical and Piezoelectric Applications of Zinc Oxide,” in Nanomaterials and Devices, Elsevier, 2015, pp. 175–190.

K. N. Abbas, N. Bidin, and R. S. Sabry, “Controllable ZnO nanostructures evolution via synergistic pulsed laser ablation and hydrothermal methods,” Ceram. Int., vol. 42, no. 12, pp. 13535–13546, Sep. 2016.

B. Kumar and S. W. Kim, “Energy harvesting based on semiconducting piezoelectric ZnO nanostructures,” Nano Energy, vol. 1, no. 3, pp. 342–355, 2012.

R. S. Sabry and O. AbdulAzeez, “Hydrothermal growth of ZnO nano rods without catalysts in a single step,” Manuf. Lett., vol. 2, no. 1, pp. 69–73, 2013.

S. Xu and Z. L. Wang, “One-dimensional ZnO nanostructures: Solution growth and functional properties,” Nano Res., vol. 4, no. 11, pp. 1013–1098, 2011.

G. Amin, M. H. Asif, A. Zainelabdin, S. Zaman, O. Nur, and M. Willander, “Influence of pH, precursor concentration, growth time, and temperature on the morphology of ZnO nanostructures grown by the hydrothermal method,” J. Nanomater., vol. 2011, pp. 1–9, 2011.

N. S. Ridhuan, K. Abdul Razak, Z. Lockman, and A. Abdul Aziz, “Structural and Morphology of ZnO Nanorods Synthesized Using ZnO Seeded Growth Hydrothermal Method and Its Properties as UV Sensing,” PLoS One, vol. 7, no. 11, pp. 1–15, 2012.

L. J. Brillson and Y. Lu, “ZnO Schottky barriers and Ohmic contacts,” J. Appl. Phys., vol. 109, no. 12, p. 121301, 2011.

Y. Leprince-Wang, Piezoelectric ZnO nanostructure for energy harvesting, vol. 1. wiley, 2015.

B. Saravanakumar, R. Mohan, K. Thiyagarajan, and S.-J. Kim, “Fabrication of a ZnO nanogenerator for eco-friendly biomechanical energy harvesting,” RSC Adv., vol. 3, no. 37, pp. 16646–16656, 2013.

Q. Liao, Z. Zhang, X. Zhang, M. Mohr, Y. Zhang, and H. J. Fecht, “Flexible piezoelectric nanogenerators based on a fiber/ZnO nanowires/paper hybrid structure for energy harvesting,” Nano Res., vol. 7, no. 6, pp. 917–928, 2014.

A. Yu, H. Li, H. Tang, T. Liu, P. Jiang, and Z. L. Wang, “Vertically integrated nanogenerator based on ZnO nanowire arrays,” Phys. status solidi - Rapid Res. Lett., vol. 5, no. 4, pp. 162–164, 2011.




DOI: http://dx.doi.org/10.23851/mjs.v29i1.372

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