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Excellent Adsorptive Behaviors of ZnO Nanoparticle-Deposited Activated Carbon Covered with Nano-Graphene Oxide

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In the paper, ZnO-deposited activated carbon composite (ZnO-AC) was firstly prepared in a simple two-step preparation process, and then covered with nano-graphene oxide to give the NGO-ZnOAC composite. The successful deposition of ZnO and NGO on the AC surface was demonstrated by various experiments, and the ZnO nanoparticles showed a mean diameter size mainly within about 10 nm. The specific surface area of the NGO-AC and NGO-ZnO-AC decreased from 67.74 m2/g of the parent AC to 32.54 and 11.43 m2/g, respectively. The fabricated NGO-ZnO-AC showed excellent adsorptive behaviors towards CrO2− 4 and Cu2+ ions, outperforming both ZnO-AC and AC.
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Keywords: Activated Carbon; Adsorptivity; Composite Materials; Nano-Graphene Oxide; ZnO Nanoparticles

Document Type: Research Article

Affiliations: 1: Science College, Beijing Technology and Business University, Beijing 100048, China 2: Department of Materials Science and Engineering, South University of Science and Technology, Shenzhen, 518055, China

Publication date: April 1, 2020

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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