# Design and synthesis of vertical gradient of expansion structure based on polyimide humidity sensing layer with ultra-fast response, high sensitivity, and large deformation driven by humidity

> Research article (Chemical Engineering Journal, 2023) · cited 18× · AI/ML

**Wikidata**: [openalex:W4378530115](https://www.wikidata.org/wiki/openalex:W4378530115)  
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