Continuous porous aromatic framework membranes with acid-/base-induced reversible isomerization for switchable ion conductivity.

ABSTRACT: Stimuli-responsive ion conductor materials are highly sought after in the fields of biological systems, clean energy, and smart devices. However, it remains a huge challenge to achieve acid/base switchable ion conductors owing to their stringent requirements of structural responsive behaviors, high stability and porosity. In this study, porous aromatic frameworks (PAFs) are utilized as a favorable platform to successfully design and prepare ion conductive powders and its continuous membranes based on a commercially available pH indicator. Interestingly, these PAFs possessed structural reversibility in response to acidic and alkaline environments, followed by an apparent ion-conducting switch of about 4 orders of magnitude (from 3.36 × 10^-7 S cm^-1 to 4.59 × 10^-3</

SUBMITTER: Song J 

PROVIDER: S-EPMC11905450 | biostudies-literature | 2025 Mar

REPOSITORIES: biostudies-literature