Size and Semiconducting Effects on the Piezoelectric Performances of ZnO Nanowires Grown onto Gravure-Printed Seed Layers on Flexible Substrates - Université Grenoble Alpes
Article Dans Une Revue Nanoenergy Advances Année : 2022

Size and Semiconducting Effects on the Piezoelectric Performances of ZnO Nanowires Grown onto Gravure-Printed Seed Layers on Flexible Substrates

Andrés Jenaro Lopez Garcia
  • Fonction : Auteur

Résumé

Zinc oxide (ZnO) nanogenerators have attracted increasing interest in the scientific community for use in energy harvesting and mechanical sensing applications. Understanding the interplay between piezoelectricity and semiconductor physics is fundamental to enhancing these devices’ performances, although direct characterization at the nanoscale is challenging. With this work, we present a new strategy to improve piezoresponse force microscopy (PFM) measurements and analysis. This strategy was applied to study the piezoelectric performances of ZnO nanowires grown on seed layers deposited by gravure printing onto flexible substrates. We demonstrate the influence of nanowire diameter and atomic force microscope (AFM) tip position on the piezoresponse amplitude. We also explain our results with simulations showing the importance of considering semiconducting properties in the analysis.
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Dates et versions

hal-04743571 , version 1 (18-10-2024)

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Andrés Jenaro Lopez Garcia, Thomas Jalabert, Manojit Pusty, Viktor Defoor, Xavier Mescot, et al.. Size and Semiconducting Effects on the Piezoelectric Performances of ZnO Nanowires Grown onto Gravure-Printed Seed Layers on Flexible Substrates. Nanoenergy Advances, 2022, 2 (2), pp.197-209. ⟨10.3390/nanoenergyadv2020008⟩. ⟨hal-04743571⟩

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