Issue 13, 2004
From the journal:

Physical Chemistry Chemical Physics

The role of surface electrification on the growth and structural features of titania nanoparticles

Tzvetanka Boiadjieva,†a   Giuseppe Cappelletti,a   Silvia Ardizzone,*a   Sandra Rondininia  and  Alberto Vertovaa  

* Corresponding authors

a Department of Physical Chemistry and Electrochemistry, University of Milan, Via Golgi 19, Milan, Italy

Abstract

TiO2 particles, prepared by following a sol–gel preparative route, were submitted to hydrothermal steps performed at solution pH values corresponding, respectively, to positive, zero and negative oxide surface charges. After the hydrothermal step all the samples were thermally treated at 300 and 600 °C, for the same length of time (6 h). The powders, both precursors and calcined samples, were characterized for phase composition–crystallinity, particle morphology and surface electrification features. The role played by the particles electrification during the hydrothermal step in affecting the physico-chemical properties of the powders is discussed.

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Article information

DOI
https://doi.org/10.1039/B402370F
Article type
Paper
Submitted
16 Feb 2004
Accepted
26 Mar 2004
First published
03 May 2004

Phys. Chem. Chem. Phys., 2004,006, 3535-3539

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The role of surface electrification on the growth and structural features of titania nanoparticles

T. Boiadjieva, G. Cappelletti, S. Ardizzone, S. Rondinini and A. Vertova, Phys. Chem. Chem. Phys., 2004, 006, 3535 DOI: 10.1039/B402370F

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