Synthesis and Characterization of TiO2 Nanoparticles Doped with Cu2+ by Microemulsion Method

Jian Xin Long; Yong Jun Chen

doi:10.4028/www.scientific.net/MSF.650.23

Paper Titles

Preface

Exergy-Based Model of the Depletion of Mineral Resources
p.1

Analysis of Influencing Factors of CO₂ Emissions from Integrated Steelworks Based on LCA
p.9

Preparation and Design of Function Aggregate in Concrete
p.17

Synthesis and Characterization of TiO₂ Nanoparticles Doped with Cu²⁺ by Microemulsion Method
p.23

Preperties of Linear Polyaspartic Polyurea Coated Concrete under NaCl Solution Immersion and Co-Action of Load and NaCl Solution Immersion
p.28

Effect of Curing Temperature on Morphology and Properties of Polyureas Based on Polyaspartic Esters
p.33

Study on Chloride Diffusion in Concrete with Non-Homogenous Coefficient Using Meshless Boundary Element Method
p.38

A Novel Constitutive Model for Concrete under Uniaxial Compression
p.47

HomeMaterials Science ForumMaterials Science Forum Vol. 650Synthesis and Characterization of TiO2...

Synthesis and Characterization of TiO₂ Nanoparticles Doped with Cu²⁺ by Microemulsion Method

Abstract:

Copper doped TiO2 nanoparticles were synthesized by hydrolysis of tetrabutyl titanate (Ti(OBu)4) and copper nitrate (Cu(NO3)2) in water-in-oil (W/O) microemulsions, consisting of water, Triton X-100, n-hexanol, cyclohexane and water. In this W/O system, Trinton X-100, n-hexanol and cyclohexane were used as surfactant, co-surfactant and organic solvent, respectively. The prepared nanoparticles were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and Scanning electron microscopy (SEM). The results show that the Cu-doped TiO2 nanoparticles synthesized by this method have a good dispersion character and relatively small sizes of about 80 nm. The XRD results show that the calcination temperature greatly influences the crystallization transformation. When calcined below 550 °C, the prepared sample is composed of anatase structure. When the calcination temperature increases to 650 °C, rutile phase appears besides the anatase phase. While doping amount has little effects on crystal phase. FTIR analysis indicates that most of the contained water and the residual organic surfactants can be removed by calcination.

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Periodical:

Materials Science Forum (Volume 650)

Pages:

23-27

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.650.23

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Online since:

May 2010

Authors:

Jian Xin Long, Yong Jun Chen

Keywords:

Copper Doping, Microemulsion, Synthesis, TiO₂ Nanoparticle

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