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Zn2 +-assisted synthesis of concave Cu2O crystals and enhanced photocatalytic properties

Paper ID Volume ID Publish Year Pages File Format Full-Text
49799 46766 2013 4 PDF Available
Title
Zn2 +-assisted synthesis of concave Cu2O crystals and enhanced photocatalytic properties
Abstract

•The effects of Zn2 + on the structure Cu2O crystals were investigated.•Zn2 + ions can transform the surface curvature of Cu2O from convex to concave.•Concave trisoctahedron Cu2O exhibited higher catalytic activity for MO degradation.

The effects of Zn2 + on the structure Cu2O crystals and photocatalytic decoloration of methylene orange (MO) were studied. Samples were characterized by X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM), High Resolution Transmission Electron Microscopy (HRTEM), and Ultraviolet–Visible Spectroscopic (UV–VIS). The results indicated that Zn2 + ions can transform the surface curvature of Cu2O microcrystals from convex to concave. Tests of photodecoloration showed that the concave trisoctahedron Cu2O microcrystals exhibited higher catalytic activity than those of octahedra Cu2O and convex Cu2O for MO under visible light.

Graphical abstractThe surface curvature of Cu2O microcrystals can be transformed from convex to concave via Zn2 + inducing. The concave Cu2O exhibited higher catalytic activity than those of octahedra Cu2O and convex Cu2O for MO.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Zn2 + ions induce; Photocatalytic decoloration; Trisoctahedron Cu2O
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Zn2 +-assisted synthesis of concave Cu2O crystals and enhanced photocatalytic properties
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 42, 5 December 2013, Pages 109–112
Authors
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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
Any Questions? feel free to contact us