Synthesis and Characterization of CeVO4 by Microwave Radiation Method and Its Photocatalytic Activity

被引：39

作者：

Ekthammathat, Nuengruethai ^{[1
]}

Thongtem, Titipun ^{[1
]}

Phuruangrat, Anukorn ^{[2
]}

Thongtem, Somchai ^{[3
,4
]}

机构：

[1] Chiang Mai Univ, Dept Chem, Fac Sci, Chiang Mai 50200, Thailand

[2] Prince Songkla Univ, Dept Mat Sci & Technol, Fac Sci, Hat Yai 90112, Songkhla, Thailand

[3] Chiang Mai Univ, Dept Phys & Mat Sci, Fac Sci, Chiang Mai 50200, Thailand

[4] Chiang Mai Univ, Mat Sci Res Ctr, Fac Sci, Chiang Mai 50200, Thailand

来源：

JOURNAL OF NANOMATERIALS | 2013年 / 2013卷

关键词：

FLOWER-LIKE ZNO; ORTHOVANADATE NANOCRYSTALS; HYDROTHERMAL SYNTHESIS; SELECTIVE SYNTHESIS; OPTICAL-PROPERTIES; LANTHANIDE CE; ND; GROWTH; INVO4; PR;

D O I：

10.1155/2013/434197

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A general microwave synthesis method was developed to synthesize cerium orthovanadate (CeVO4) nanostructures without the use of any catalysts or templates. This method is able to control the shape and size of the products by adjusting the pH of precursor solutions to be 1-10. Phase, purity, and different morphologies of the products were characterized by XRD, FTIR, SEM, and TEM. They showed that the as-synthesized products exhibited pure single crystalline CeVO4 with tetragonal structure. Their morphologies developed in sequence as nanoparticles (pH = 4-10), nanorods (pH = 2, 3), and microflowers (pH = 1). UV-visible spectra were used to estimate the direct energy gaps of CeVO4 nanorods and microflowers: 3.77 and 3.65 eV, respectively. Photoluminescence (PL) of CeVO4 microflowers showed strong emission intensities at 578 nm. These results were in the range of possible application for photocatalysis, investigated by studying the degradation of methylene blue.

引用

页数：7

共 34 条

[1]

Boudias C., 1989, CARINE CRYSTALLOGRAP

[2] Hydrothermal synthesis and ethanol sensing properties of CeVO4 and CeVO4-CeO2 powders [J].

Chen, LM .

MATERIALS LETTERS, 2006, 60 (15) :1859-1862

[3] Single-crystalline orthorhombic molybdenum oxide nanobelts: synthesis and photocatalytic properties [J].

Chen, Yuping ;

Lu, Chunliang ;

Xu, Lin ;

Ma, Ying ;

Hou, Wenhua ;

Zhu, Jun-Jie .

CRYSTENGCOMM, 2010, 12 (11) :3740-3747

[4] One-Pot Template-Free Hydrothermal Synthesis of Monoclinic BiVO4 Hollow Microspheres and Their Enhanced Visible-Light Photocatalytic Activity [J].

Cheng, Bei ;

Wang, Wenguang ;

Shi, Lei ;

Zhang, Jun ;

Ran, Jingrun ;

Yu, Huogen .

INTERNATIONAL JOURNAL OF PHOTOENERGY, 2012, 2012

[5] Formation of the cerium orthovanadate CeVO4: DFT+U study [J].

Da Silva, Juarez L. F. ;

Ganduglia-Pirovano, M. Veronica ;

Sauer, Joachim .

PHYSICAL REVIEW B, 2007, 76 (12)

[6] Controlled synthesis and upconverted avalanche luminescence of cerium(III) and neodymium(III) orthovanadate nanocrystals with high uniformity of size and shape [J].

Deng, Hong ;

Yang, Shihe ;

Xiao, Si ;

Gong, Hong-Mei ;

Wang, Qu-Quan .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2008, 130 (06) :2032-2040

[7] Optical properties and photocatalytic activities of spherical ZnO and flower-like ZnO structures synthesized by facile hydrothermal method [J].

Fang, Yongling ;

Li, Zhongyu ;

Xu, Song ;

Han, Dandan ;

Lu, Dayong .

JOURNAL OF ALLOYS AND COMPOUNDS, 2013, 575 :359-363

[8] Phase transition and possible metallization in CeVO4 under pressure [J].

Garg, Alka B. ;

Shanavas, K. V. ;

Wani, B. N. ;

Sharma, Surinder M. .

JOURNAL OF SOLID STATE CHEMISTRY, 2013, 203 :273-280

[9]

JCPDS-ICDD, 2001, POWD DIFFR FIL

[10] Lattice vibrations of AVO4 crystals (A = Lu, Yb, Dy, Tb, Ce) [J].

Jindal, Ruby ;

Sinha, M. M. ;

Gupta, H. C. .

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY, 2013, 113 :286-290

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