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Investigation of the thermal decomposition of a new titanium dioxide material

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985858%3A_____%2F16%3A00463506" target="_blank" >RIV/67985858:_____/16:00463506 - isvavai.cz</a>

  • Alternative codes found

    RIV/61388980:_____/16:00463506

  • Result on the web

    <a href="http://dx.doi.org/10.1007/s10973-016-5526-3" target="_blank" >http://dx.doi.org/10.1007/s10973-016-5526-3</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1007/s10973-016-5526-3" target="_blank" >10.1007/s10973-016-5526-3</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Investigation of the thermal decomposition of a new titanium dioxide material

  • Original language description

    A new type of TiO2 material has been prepared from titanium(IV) oxysulfate via precipitation by cold ammonia solution and drying at room temperature. The structure remains unchanged during the preparation (controlled hydrolysis), and titania material with a similar rod-shaped structure is created. The decomposition process has been evaluated by TA/MS analysis as a three-step process. The first step was characterized by water and carbon dioxide loss, the second step is represented by the evolution of residual water and ammonia, and the third step is represented by a very sharp exothermic peak due to the phase transition (crystallization of amorphous phase to anatase) together with a small mass loss caused by evolution of oxygen and nitrous oxide. EPR spectra obtained in the temperature range 100-250 K confirmed the presence of Ti(III) ions and oxygen vacancies for the TiO2 precursor annealed up to 550 degrees C in a vacuum. Annealing to 500 degrees C resulted in the generation of paramagnetic Ti(III) centers and nitrogen species (N-b and NO) in anatase lattice.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CF - Physical chemistry and theoretical chemistry

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2016

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of Thermal Analysis and Calorimetry

  • ISSN

    1388-6150

  • e-ISSN

  • Volume of the periodical

    125

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    8

  • Pages from-to

    1071-1078

  • UT code for WoS article

    000383142000009

  • EID of the result in the Scopus database

    2-s2.0-84971657687