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In-situ preparation of three-dimensional Ni@graphene-Cu composites for ultrafast reduction of Cr(VI) at room temperature

Paper ID Volume ID Publish Year Pages File Format Full-Text
49208 46724 2016 5 PDF Available
Title
In-situ preparation of three-dimensional Ni@graphene-Cu composites for ultrafast reduction of Cr(VI) at room temperature
Abstract

•The growth of Cu NPs was accomplished by one-step calcination at 560 °C.•The graphene acted as reductant to obtain the conversion of CuO to Cu NPs.•Ni@GE-Cu showed excellent catalytic activity for the reduction of Cr(VI).•The magnetically separable Ni@GE-Cu was very cheap, scalable and recyclable.

Novel three-dimensional Ni@graphene-Cu composites were synthesized by a facile calcination method for the first time. The in-situ generated graphene played an important role in the successful fabrication of Ni@graphene-Cu that it acted both as an effective reductant to achieve the conversion of CuO to Cu nanoparticles (NPs) and as an ideal support to prevent the agglomeration of Cu NPs. The as-prepared Ni@graphene-Cu showed excellent catalytic activity for Cr(VI) reduction to Cr(III) at room temperature with formic acid as reductants.

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Keywords
Ni@graphene-Cu; Composite materials; Catalyst; Cr(VI) reduction
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In-situ preparation of three-dimensional Ni@graphene-Cu composites for ultrafast reduction of Cr(VI) at room temperature
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 75, 5 February 2016, Pages 13–17
Authors
, , , , , ,
Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
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