Issue 14, 2012
From the journal:

Journal of Materials Chemistry

A template-free synthesis and structural characterization of hierarchically nano-structured lithium-titanium-oxide films†

Jayasankar Mani,a   Hannelore Katzke,a   Salah Habouti,a   Kevin R. Moonoosawmy,a   Matthias Dietzea  and  Mohammed Es-Souni*a  

* Corresponding authors

a Institute for Materials & Surface Technology, University of Applied sciences Kiel, Grenzstrasse 3, 24149 Kiel, Germany
E-mail: me@fh-kiel.de

Abstract

A template-free sol–gel method for the synthesis of hierarchically nano-structured lithium-titanium-oxide films is proposed involving a p-type doping of titanium isopropoxide sols with lithium. The structures of the films are analyzed by scanning electron microscopy, X-ray powder diffraction and Raman spectroscopy. Different phases can be accessed by controlling the annealing temperature. Supersaturated anatase (Ti, Li)O2 is formed at 400 °C, whereas anatase and/or rutile interspersed with Li2TiO3 and Li4Ti5O12 are observed between 450 °C and 800 °C. The nanostructure formation is explained by a dissolution–crystallization–self-assembly mechanism.

Graphical abstract: A template-free synthesis and structural characterization of hierarchically nano-structured lithium-titanium-oxide films

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Article information

DOI
https://doi.org/10.1039/C2JM16161C
Article type
Paper
Submitted
25 Nov 2011
Accepted
20 Jan 2012
First published
24 Feb 2012

J. Mater. Chem., 2012,22, 6632-6638

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A template-free synthesis and structural characterization of hierarchically nano-structured lithium-titanium-oxide films

J. Mani, H. Katzke, S. Habouti, K. R. Moonoosawmy, M. Dietze and M. Es-Souni, J. Mater. Chem., 2012, 22, 6632 DOI: 10.1039/C2JM16161C

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