ArticleSmall science2026
A Comprehensive Study of Piezoelectricity in Chitosan Films.
Article in Small science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Chitosan film based piezoelectric nanogenerator for ambient energy harvesting.Discover nano · 2026Article
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8 authors.
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Abstract
Chitosan films have attracted interest as flexible and biocompatible materials in health monitoring technologies due to their intrinsic piezoelectricity. This work studies, for the first time, the piezoelectric performances of solution-cast chitosan films in relation to their fabrication process and crystalline content. We investigate how processing parameters, such as solvent type, NaOH treatment duration, and thermal annealing, affect the crystalline content of chitosan films and its correlation with the overall piezoelectric behavior through comprehensive physico-chemical characterizations. Special care is devoted to a reliable determination of converse piezoelectricity, using constant-excitation frequency-modulation piezoresponse force microscopy (CE-FM-PFM), a scanning probe method specifically suited to suppress measurement artifacts that affect conventional PFM in the investigation of soft materials such as semicrystalline polymers. Our findings reveal that a post-processing strategy combining NaOH treatment and thermal annealing significantly enhances the piezoelectric response of chitosan, with a piezoelectric coefficient
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