Reduced Graphene Oxide/ZnO Composite: Reusable Adsorbent for Pollutant Management

Overview

Journal ACS Appl Mater Interfaces

Publisher American Chemical Society

Specialties Biomedical Engineering
Biotechnology

Date 2012 Jun 9

PMID 22676310

Citations 23

Authors

Jinfeng Wang

Takuya Tsuzuki

Bin Tang

Xueliang Hou

Lu Sun

Xungai Wang

Affiliations

Soon will be listed here.

Abstract

Reduced graphene oxide (RGO) coated with ZnO nanoparticles (NPs) was synthesized by a self-assembly and in situ photoreduction method, and then their application for removing organic pollutant from water was investigated. The RGO@ZnO composite nanomaterial has unique structural features including well-dispersed NPs on the surface and dense NPs loading. This composite exhibited a greatly improved Rhodamine B (RhB) adsorption capacity and an improved photocatalytic activity for degrading RhB compared to neat ZnO NPs. These properties made RGO@ZnO reusable for pollutant adsorbent. The composite showed an excellent cycling performance for organic pollutant removal up to 99% recovery over several cycles via simulated sunlight irradiation.

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