This paper presents the development of a mechanically stable and self-healing hydrogel for the degradation of dyes in wastewater. The hydrogel is based on cellulose-derived co-polydopamine@Pd nanoparticles, creating a dynamic catechol redox system that provides stable mechanical properties and self-healing. A graphene oxide membrane is grafted onto the surface to regulate water permeability and protect the hydrogel structure. The hydrogel demonstrates high catalytic activity for both anionic and cationic dyes, maintaining performance over multiple cycles.
Publisher
COMMUNICATIONS MATERIALS
Published On
Jul 14, 2020
Authors
Guihua Yan, Yunchao Feng, Huiqiang Wang, Yong Sun, Xing Tang, Wenjing Hong, Xianhai Zeng, Lu Lin
Tags
self-healing hydrogel
wastewater treatment
catalytic activity
mechanical stability
graphene oxide
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