Synthesis and Characterization of Ni2+-doped TiO2 Nanowires Article Swipe

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Trinh Thi Loan , Vu Hoang Huong , Trần Thị Dung , Nguyen Ngoc Long ·

YOU? · · 2016 · Open Access · · DOI: https://doi.org/10.25073/2588-1124/vnumap.4050

TiO2 nanowires doped with different amounts of Ni2+ ions (from 0 to 18 mol%) were synthesized by hydrothermal technique. The samples were characterized by X-ray diffraction (XRD) and Raman spectroscopy, field emission scanning electron microscopy (FESEM), and diffuse reflection spectroscopy. The XRD analysis showed that the doped samples exhibit anatase single phase. The lattice parameters remain unchanged, independent on Ni2+ content. Diameter of TiO2 nanowires increased significantly with increasing concentrations of Ni2+. The investigated results indicate that a greater portion of the Ni2+ ions are well-incorporated into the anatase TiO2 lattice. Indirect and direct band gap energies of Ni2+-doped TiO2 with different doping concentration were found to be in the range from 3.24 to 2.99 eV and 3.54 to 3.35 eV, respectively. Keywords: TiO2:Ni2+ nanowires, hydrothermal, diffuse reflection, band gap energy.

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Anatase

Materials Science

Ion

Scanning Electron Microscope

Spectroscopy

Hydrothermal Synthesis

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Anatase Doping Materials science Band gap Raman spectroscopy Hydrothermal circulation Analytical Chemistry (journal) Nanowire Ion Scanning electron microscope Spectroscopy Hydrothermal synthesis Diffuse reflection Nanotechnology Chemistry Photocatalysis Chemical engineering Optics Optoelectronics Physics Organic chemistry Engineering Chromatography Composite material Quantum mechanics Catalysis Biochemistry

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Type: article
Language: en
Landing Page: https://doi.org/10.25073/2588-1124/vnumap.4050
PDF: https://js.vnu.edu.vn/MaP/article/download/4050/3771
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DOI: https://doi.org/10.25073/2588-1124/vnumap.4050

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Title: Synthesis and Characterization of Ni2+-doped TiO2 Nanowires

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Language: en

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Publication year: 2016

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Publication date: 2016-09-15

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Authors: Trinh Thi Loan, Vu Hoang Huong, Trần Thị Dung, Nguyen Ngoc Long

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Landing page: https://doi.org/10.25073/2588-1124/vnumap.4050

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Concepts: Anatase, Doping, Materials science, Band gap, Raman spectroscopy, Hydrothermal circulation, Analytical Chemistry (journal), Nanowire, Ion, Scanning electron microscope, Spectroscopy, Hydrothermal synthesis, Diffuse reflection, Nanotechnology, Chemistry, Photocatalysis, Chemical engineering, Optics, Optoelectronics, Physics, Organic chemistry, Engineering, Chromatography, Composite material, Quantum mechanics, Catalysis, Biochemistry

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Cited by: 1

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primary_location.landing_page_url	https://doi.org/10.25073/2588-1124/vnumap.4050
publication_date	2016-09-15
publication_year	2016
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