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Open Chemistry

formerly Central European Journal of Chemistry

1 Issue per year


IMPACT FACTOR 2016 (Open Chemistry): 1.027
IMPACT FACTOR 2016 (Central European Journal of Chemistry): 1.460

CiteScore 2016: 0.61

SCImago Journal Rank (SJR) 2016: 0.288
Source Normalized Impact per Paper (SNIP) 2016: 0.735

Open Access
Online
ISSN
2391-5420
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Volume 13, Issue 1 (Jan 2015)

Issues

Titanium dioxide high aspect ratio nanoparticle hydrothermal synthesis optimization

Paulina Półrolniczak
  • Corresponding author
  • Central Laboratory of Batteries and Cells, Institute of Non-Ferrous Metals, Division in Poznan, 61-362 Poznan, Poland
  • Email
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Mariusz Walkowiak
  • Central Laboratory of Batteries and Cells, Institute of Non-Ferrous Metals, Division in Poznan, 61-362 Poznan, Poland
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2014-10-09 | DOI: https://doi.org/10.1515/chem-2015-0006

Abstract

TiO2-B (bronze) nanowires were synthesized via simple hydrothermal treatment of commercial titanium dioxide nanopowder in aqueous NaOH. The reaction temperature, calcination temperature, reaction time, NaOH concentration, autoclave filing fraction and precursor were systematically varied to optimize the nanowire morphology. The crystal structure, morphology and particle size were investigated by XRD, SEM and TEM. The morphology and structure are sensitive to experimental conditions. A reaction temperature of at least 150°C and NaOH concentration at least 10 M are essential, but reaction time from 24 to 72 h makes little difference. Nanowires obtained at 150°C were 60-180 nm wide and 2-4 μm long, while those after treatment at 200°C were thinner (40-100 nm) and longer (2-6 μm).

The relationship between reaction conditions and morphology is discussed and practical guidelines for titanium dioxide nanowire synthesis are suggested

Graphical Abstract

Keywords : titanium dioxide; nanowire; hydrothermal

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About the article

Received: 2013-09-17

Accepted: 2014-05-25

Published Online: 2014-10-09

Published in Print: 2015-01-01


Citation Information: Open Chemistry, ISSN (Online) 2391-5420, DOI: https://doi.org/10.1515/chem-2015-0006.

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© 2015 Paulina Półrolniczak, Mariusz Walkowiak. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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