TY - GEN
T1 - Titanium oxide synthesis in aqueous medium
AU - Koelsch, M.
AU - Cassaignon, S.
AU - Guillemoles, J. F.
AU - Jolivet, J. P.
PY - 2006/7/20
Y1 - 2006/7/20
N2 - Nanometric particles of titania, anatase, brookite and rutile polymorphs, were synthesized by thermohydrolysis of TiCl4 in aqueous medium. The control of the medium acidity allows the control of the crystalline structure, the size and the morphology of particles. In concentrated HCl (≥ 1mol.L -1) solutions, the Cl/Ti molar ratio seems to be the key factor to determine the relative proportions of brookite and rutile as well as the particle size. Nanoparticles of anatase, in the range d = 5-10 nm, were prepared by precipitation of TiCl4 in aqueous medium at different pH between 2 ≤ pH ≤ 6. The influence of the nature of the acid and the temperature of thermohydrolysis on the morphology and crystalline structure of particles was also studied.
AB - Nanometric particles of titania, anatase, brookite and rutile polymorphs, were synthesized by thermohydrolysis of TiCl4 in aqueous medium. The control of the medium acidity allows the control of the crystalline structure, the size and the morphology of particles. In concentrated HCl (≥ 1mol.L -1) solutions, the Cl/Ti molar ratio seems to be the key factor to determine the relative proportions of brookite and rutile as well as the particle size. Nanoparticles of anatase, in the range d = 5-10 nm, were prepared by precipitation of TiCl4 in aqueous medium at different pH between 2 ≤ pH ≤ 6. The influence of the nature of the acid and the temperature of thermohydrolysis on the morphology and crystalline structure of particles was also studied.
M3 - Conference contribution
AN - SCOPUS:33745960044
SN - 1566774330
SN - 9781566774338
T3 - Proceedings - Electrochemical Society
SP - 195
EP - 203
BT - Chemical Solution Deposition of Semiconducting and Non-Metallic Films - Proceedings of the International Symposium
T2 - 203rd Electrochemical Society Meeting
Y2 - 27 April 2003 through 2 May 2003
ER -