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Title: Synthesis Properties and Electron Spin Resonance Properties of Titanic Materials

Abstract

Titanic materials were synthesized by hydrothermal method of TiO{sub 2} anatase in 10M LiOH, 10M NaOH, and 14M KOH at 130 deg. C for 30 hours. Alkaline media were removed from the synthesized products using 0.1N HCl aqueous solution. The as-prepared samples were characterized by scanning electron microscope, transmission electron microscope, X-ray diffraction, Brunauer-Emmett-Teller isotherm, and electron spin resonance. Different shapes of synthesized products were observed through the typical electron microscope and indicated that the formation of the different morphologies depends on the treatment conditions of highly alkaline media. Many micropores were observed in the cubic or octahedral type of TiO{sub 2} samples through the typical electron microscope and Langmuir adsorption-desorption isotherm of liquid nitrogen at 77 deg. K. Electron spin resonance studies have also been carried out to verify the existence of paramagnetic sites such as oxygen vacancies on the titania samples. The effect of alkali metal ions on the morphologies and physicochemical properties of nanoscale titania are discussed.

Authors:
;  [1]; ; ;  [2];  [1]
  1. Research Institute for Catalysis and Center for Functional Nano Materials and Chonnam National University, Gwangju (Korea, Republic of)
  2. Department of Applied Chemical Engineering, Center for Functional Nano Materials and Chonnam National University, Gwangju (Korea, Republic of)
Publication Date:
OSTI Identifier:
21301121
Resource Type:
Journal Article
Journal Name:
AIP Conference Proceedings
Additional Journal Information:
Journal Volume: 1119; Journal Issue: 1; Conference: 3. IUPAP international conference on women in physics, Seoul (Korea, Republic of), 8-10 Oct 2008; Other Information: DOI: 10.1063/1.3137797; (c) 2009 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0094-243X
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; ADSORPTION; AQUEOUS SOLUTIONS; DESORPTION; ELECTRON SPIN RESONANCE; HYDROTHERMAL SYNTHESIS; ISOTHERMS; LITHIUM HYDROXIDES; MORPHOLOGY; NANOSTRUCTURES; POTASSIUM HYDROXIDES; SCANNING ELECTRON MICROSCOPY; SODIUM HYDROXIDES; TITANIUM OXIDES; TRANSMISSION ELECTRON MICROSCOPY; VACANCIES; X-RAY DIFFRACTION

Citation Formats

Cho, Jung Min, Lee, Jun, Kim, Tak Hee, Sun, Min Ho, Jang, Young Bae, Cho, Sung June, and Department of Applied Chemical Engineering, Center for Functional Nano Materials and Chonnam National University, Gwangju. Synthesis Properties and Electron Spin Resonance Properties of Titanic Materials. United States: N. p., 2009. Web. doi:10.1063/1.3137797.
Cho, Jung Min, Lee, Jun, Kim, Tak Hee, Sun, Min Ho, Jang, Young Bae, Cho, Sung June, & Department of Applied Chemical Engineering, Center for Functional Nano Materials and Chonnam National University, Gwangju. Synthesis Properties and Electron Spin Resonance Properties of Titanic Materials. United States. https://doi.org/10.1063/1.3137797
Cho, Jung Min, Lee, Jun, Kim, Tak Hee, Sun, Min Ho, Jang, Young Bae, Cho, Sung June, and Department of Applied Chemical Engineering, Center for Functional Nano Materials and Chonnam National University, Gwangju. 2009. "Synthesis Properties and Electron Spin Resonance Properties of Titanic Materials". United States. https://doi.org/10.1063/1.3137797.
@article{osti_21301121,
title = {Synthesis Properties and Electron Spin Resonance Properties of Titanic Materials},
author = {Cho, Jung Min and Lee, Jun and Kim, Tak Hee and Sun, Min Ho and Jang, Young Bae and Cho, Sung June and Department of Applied Chemical Engineering, Center for Functional Nano Materials and Chonnam National University, Gwangju},
abstractNote = {Titanic materials were synthesized by hydrothermal method of TiO{sub 2} anatase in 10M LiOH, 10M NaOH, and 14M KOH at 130 deg. C for 30 hours. Alkaline media were removed from the synthesized products using 0.1N HCl aqueous solution. The as-prepared samples were characterized by scanning electron microscope, transmission electron microscope, X-ray diffraction, Brunauer-Emmett-Teller isotherm, and electron spin resonance. Different shapes of synthesized products were observed through the typical electron microscope and indicated that the formation of the different morphologies depends on the treatment conditions of highly alkaline media. Many micropores were observed in the cubic or octahedral type of TiO{sub 2} samples through the typical electron microscope and Langmuir adsorption-desorption isotherm of liquid nitrogen at 77 deg. K. Electron spin resonance studies have also been carried out to verify the existence of paramagnetic sites such as oxygen vacancies on the titania samples. The effect of alkali metal ions on the morphologies and physicochemical properties of nanoscale titania are discussed.},
doi = {10.1063/1.3137797},
url = {https://www.osti.gov/biblio/21301121}, journal = {AIP Conference Proceedings},
issn = {0094-243X},
number = 1,
volume = 1119,
place = {United States},
year = {Sun Apr 19 00:00:00 EDT 2009},
month = {Sun Apr 19 00:00:00 EDT 2009}
}