Synthesis of octahedral TiO2 single crystals with {101} facets from solid precursor with N2H4 as capping agent

Jin, Hui, Pan, Jian and Wang, Lianzhou (2014) Synthesis of octahedral TiO2 single crystals with {101} facets from solid precursor with N2H4 as capping agent. Journal of Nanoparticle Research, 16 4: 2352.1-2352.7. doi:10.1007/s11051-014-2352-z


Author Jin, Hui
Pan, Jian
Wang, Lianzhou
Title Synthesis of octahedral TiO2 single crystals with {101} facets from solid precursor with N2H4 as capping agent
Journal name Journal of Nanoparticle Research   Check publisher's open access policy
ISSN 1388-0764
1572-896X
Publication date 2014-03
Year available 2014
Sub-type Article (original research)
DOI 10.1007/s11051-014-2352-z
Open Access Status Not Open Access
Volume 16
Issue 4
Start page 2352.1
End page 2352.7
Total pages 7
Place of publication Dordrecht, The Netherlands
Publisher Springer Netherlands
Collection year 2015
Language eng
Subject 2500 Materials Science
1502 Banking, Finance and Investment
3107 Atomic and Molecular Physics, and Optics
3104 Condensed Matter Physics
2611 Modelling and Simulation
1600 Chemistry
Abstract In this work, N2H4 was used as surfacecapping agent for the first time to synthesize octahedral anatase TiO2 single crystals with dominant {101} facets from H0.68Ti1.83O 4 solid precursor. The resultant particle size of {101} facet enriched TiO2 was around 100 nm. The function of N2H 4 in the hydrothermal process is not only to provide a mild basic environment, but also to promote the growth of {101} surface because of its strong reducibility. The amount of N2H4 and precursor added in the solution is also investigated, and the result reveals that nearly 100 % {101} facet can be obtained only if N2H4 were added to a certain amount, while the concentration of precursor has no influence on the final result which means that this reaction can be largely scaled up. In oxygen evolution from photocatalytic water splitting, the {101} facets exhibited different performance using AgNO3 or (NH4) 2Ce(NO3)6 as sacrificial agent.
Keyword Nanocrystals
Octahedral anatase
Photocatalytic water splitting
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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