Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 113, Issue 7, Pages 2704-2709Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp808016b
Keywords
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Funding
- Natural Science Foundation of China [20603048, 20873184]
- Guangdong Province Science and Technology Development Program [2008B010600040]
- Foundation of Potentially Important Natural Science Research of Sun Yat-Sen University
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In this paper, we first reported the synthesis of the Ce1-xZrxO2 flower-like nanostructures via the electrochemical deposition route, which represents a simple, quick, and economical method. By controlling the electrodepositon conditions, various Ce1-xZrxO2 flower-like structures can be easily prepared. The synthesized Ce1-xZrxO2 was characterized by an energy-dispersive spectrometer (EDS), scanning electron microscopy (SEM), a transmission electron microscope (TEM), and X-ray diffractometry (XRD), and the results showed the prepared Ce1-xZrxO2 samples exhibited cubic structures only. The porosity of Ce1-xZrxO2 (x = 0.5) flower-like nanostructures was characterized by nitrogen sorption analysis using standard Brunauer-Emmett-Teller (BET) techniques, and they show a high specific surface area of 101 m(2)/g. The UV-vis absorption spectrum of the as-deposited Ce1-xZrxO2 (x = 0.5) samples was measured, and it shows a broadband at about 250 similar to 330 nm, which can be attributed to the overlap of O2--> Ce4+ and O2--> Ce3+ charge transfer transitions. Furthermore, the PL spectrum and magnetic properties of Ce1-xZrxO2 flower-like nanostructures were also studied in this paper.
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