fig6

Figure 6. Piezoelectric response and nanosheet alignment in MoS₂-PVA films. (A and B) PFM displacement and phase curves of 2 wt.% MoS₂-PVA ES films. (C) d₃₃ comparison between spin-coated and ES films. (D) COMSOL simulation of nanosheet alignment during electrospinning: (i) schematic (The electrospinning needle and collector: Created in BioRender. Chen, C. (2025) https://BioRender.com/2asz6pv), (ii) nanosheet distribution inside the needle, (iii) alignment at the needle tip. (E) COMSOL simulation of nanosheet orientation and predicted piezoelectric response along the thickness of ES films. (F) COMSOL simulation of nanosheet-induced piezoelectric response along the thickness of spin-coated films. (G) MD simulations of MoS₂-PVA interactions: (i) initial structural model, (ii) without electric field, (iii) under a high z-axis electric field. (H) Radial distribution function (RDF) analysis of atomic interactions between PVA chains and MoS₂ nanosheets.