skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Microwave-hydrothermal process for the synthesis of rutile

Abstract

The synthesis of pure rutile titanium dioxide is not an easy achievement, as the crystallization process generally leads to mixtures of two or even three phases; moreover the synthetic processes normally used by industry require harsh reaction conditions. We carried out the synthesis of titanium dioxide from an aqueous titanium tetrachloride solution under microwave irradiation in the reaction time range of 5-120 min. We mostly obtained mixtures of rutile and anatase, but obtained single-phase rutile after a 2-h treatment at 160 deg. C; transmission electron micrographs revealed well-dispersed spherical nanoparticles. We also investigated the effects of dilution and addition of a dispersant (polyvinylpyrrolidone) on phase crystallization and particle shape.

Authors:
 [1];  [2];  [1];  [1]
  1. Di.Sci.Far., Viale Benedetto XV, 3, University of Genoa, 16132 Genoa (Italy)
  2. Materials Research Institute, Pennsylvania State University, University Park, PA 16802 (United States). E-mail: komarneni@psu.edu
Publication Date:
OSTI Identifier:
20888114
Resource Type:
Journal Article
Resource Relation:
Journal Name: Materials Research Bulletin; Journal Volume: 40; Journal Issue: 11; Other Information: DOI: 10.1016/j.materresbull.2005.05.023; PII: S0025-5408(05)00208-4; Copyright (c) 2005 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; CERAMICS; CHEMICAL PREPARATION; CRYSTALLIZATION; IRRADIATION; MICROWAVE RADIATION; NANOSTRUCTURES; PVP; RUTILE; TITANIUM CHLORIDES; TITANIUM OXIDES; X-RAY DIFFRACTION

Citation Formats

Baldassari, Sara, Komarneni, Sridhar, Mariani, Emilia, and Villa, Carla. Microwave-hydrothermal process for the synthesis of rutile. United States: N. p., 2005. Web. doi:10.1016/j.materresbull.2005.05.023.
Baldassari, Sara, Komarneni, Sridhar, Mariani, Emilia, & Villa, Carla. Microwave-hydrothermal process for the synthesis of rutile. United States. doi:10.1016/j.materresbull.2005.05.023.
Baldassari, Sara, Komarneni, Sridhar, Mariani, Emilia, and Villa, Carla. Thu . "Microwave-hydrothermal process for the synthesis of rutile". United States. doi:10.1016/j.materresbull.2005.05.023.
@article{osti_20888114,
title = {Microwave-hydrothermal process for the synthesis of rutile},
author = {Baldassari, Sara and Komarneni, Sridhar and Mariani, Emilia and Villa, Carla},
abstractNote = {The synthesis of pure rutile titanium dioxide is not an easy achievement, as the crystallization process generally leads to mixtures of two or even three phases; moreover the synthetic processes normally used by industry require harsh reaction conditions. We carried out the synthesis of titanium dioxide from an aqueous titanium tetrachloride solution under microwave irradiation in the reaction time range of 5-120 min. We mostly obtained mixtures of rutile and anatase, but obtained single-phase rutile after a 2-h treatment at 160 deg. C; transmission electron micrographs revealed well-dispersed spherical nanoparticles. We also investigated the effects of dilution and addition of a dispersant (polyvinylpyrrolidone) on phase crystallization and particle shape.},
doi = {10.1016/j.materresbull.2005.05.023},
journal = {Materials Research Bulletin},
number = 11,
volume = 40,
place = {United States},
year = {Thu Nov 03 00:00:00 EST 2005},
month = {Thu Nov 03 00:00:00 EST 2005}
}