Controllable conversion of Prussian blue@yeast bio-template into 3D cage-like magnetic Fe₃O₄@N-doped carbon absorbent and its cohesive regeneration by persulfate activation.

ABSTRACT: A multitude of heteroatom-doped carbon adsorbents have been explored to cope with ever-growing organic pollution. However, development of these advanced carbon materials with adequate activity and stability remains challenging. Herein, unique 3D cage-like magnetic N-doped Fe₃O₄@C adsorbents were rationally constructed by a one-step pyrolysis of Prussian blue@yeast (PB@yeast) bio-templates. By using yeast as an available biological support, the prepared Fe₃O₄@C hybrids were demonstrated to provide a sufficient number of Fe, N and C atoms for the novel cage-like microstructures, making them a new type of Fe, N co-doped carbon absorbents with a facile preparation procedure and remarkable adsorption behavior. Rhodamine B (RhB) removal indicated that

SUBMITTER: Chen S 

PROVIDER: S-EPMC9059510 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature