Issue 12, 2009
From the journal:

CrystEngComm

Titania polymorphs derived from crystalline titanium diboride†

Gang Liu,‡ab   Hua Gui Yang,‡c   Chenghua Sun,b   Lina Cheng,b   Lianzhou Wang,b   Gao Qing (Max) Lu*b  and  Hui-Ming Cheng*a  

* Corresponding authors

a Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang, China
E-mail: cheng@imr.ac.cn
Fax: +86 24 23903126
Tel: +86 24 23971611

b ARC Centre of Excellence for Functional Nanomaterials, School of Engineering and Australian Institute of Bioengineering and Nanotechnology, The University of Queensland, Qld, Australia
E-mail: maxlu@uq.edu.au
Fax: +61 7 33656074
Tel: +61 7 33653735

c Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science & Technology, Shanghai, China

Abstract

Due to its specific bonds and intrinsic chemical stability and due to its capability of controllably releasing titanium species, TiB2 was chosen as a precursor for synthesizing phase tunable (rutile/anatase/brookite) titania with different morphologies (rutile nanocones, anatase bipyramids and brookite spherical nanoparticles) under hydrothermal treatment. The mechanisms of the chemical reactions involved and evolution of low-index crystal facets (001) and (100) of TiB2 during hydrothermal treatment were experimentally and theoretically studied in this work. It is demonstrated that a new synthetic pathway for titania polymorphs based on the intrinsic strong bonds of TiB2 is developed which could also be applicable to a number of other metal oxides using metal borides such as ZrB2, TaB, Nb3B4 as precursors.

Graphical abstract: Titania polymorphs derived from crystalline titanium diboride

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Article information

DOI
https://doi.org/10.1039/B909191M
Article type
Paper
Submitted
08 May 2009
Accepted
24 Jul 2009
First published
11 Aug 2009

CrystEngComm, 2009,11, 2677-2682

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Titania polymorphs derived from crystalline titanium diboride

G. Liu, H. G. Yang, C. Sun, L. Cheng, L. Wang, G. Q. (. Lu and H. Cheng, CrystEngComm, 2009, 11, 2677 DOI: 10.1039/B909191M

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