Piezoelectricity measurements of hybrid films functionalized with ZnO nanostructures and cellulose nanocrystalsD. Duraccio, A. Fioravanti, G. Malucelli, R. Filippo et P. P. CapraInternational Congress of Metrology, (2019) 08003DOI: https://doi.org/10.1051/metrology/201908003