NDLI: Thermal behaviour study of some sol-gel TiO$

Content Provider	Springer Nature Link
Author	Crişan, Maria Brăileanu, Ana Crişan, D. Răileanu, Mălina Drăgan, N. Mardare, Diana Teodorescu, V. Ianculescu, Adelina Bîrjega, Ruxandra Dumitru, M.
Copyright Year	2008
Abstract	Among the great number of sol-gel materials prepared, TiO$_{2}$ holds one of the most important places due to its photocatalytic properties, both in the case of powders and coatings. Impurity doping is one of the typical approaches to extend the spectral response of a wide band gap semiconductor to visible light.This work has studied some un-doped and Pd-doped sol-gel TiO$_{2}$ nanopowders, presenting various surface morphologies and structures. The obtained powders have been embedded in vitreous TiO$_{2}$ matrices and the corresponding coatings have been prepared by dipping procedure, on glass substrates. The relationship between the synthesis conditions and the properties of titania nanosized materials, such as thermal stability, phase composition, crystallinity, morphology and size of particles, and the influence of dopant was investigated.The influence of Pd on TiO$_{2}$ crystallization both for supported and unsupported materials was studied (lattice parameters, crystallite sizes, internal strains). The hydrophilic properties of the films were also connected with their structure, composition and surface morphology. The methods used for the characterization of the materials have been: simultaneous thermogravimetry and differential thermal analysis, powder X-ray diffraction, electron microscopy (TEM, SAED) and AFM.
Starting Page	7
Ending Page	13
Page Count	7
File Format	PDF
ISSN	13886150
Journal	Journal of thermal analysis
Volume Number	92
Issue Number	1
e-ISSN	15728943
Language	English
Publisher	Springer Netherlands
Publisher Date	2008-06-04
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	films from nanopowders hydrophilicity nanopowders Pd-doped TiO$_{2}$ materials sol-gel process thermal behaviour un-doped TiO$_{2}$ materials Measurement Science, Instrumentation Inorganic Chemistry Polymer Sciences Analytical Chemistry Physical Chemistry
Content Type	Text
Resource Type	Article
Subject	Physical and Theoretical Chemistry Condensed Matter Physics

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