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Issue 9, 2012
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Large scale synthesis of V-shaped rutile twinned nanorods

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Abstract

V-shaped rutile twinned nanorods (VRTNs) with different aspect ratios were synthesized on large scale using a one-pot organic solvothermal method. Although several different types of VRTNs were produced, (101) twinned nanorods were the major product with minor amounts of (301) twins and straight nanorods. STEM, TEM and XRD characterizations show that [001] is the growth direction of VRTNs, with surfaces dominated by {110} facets. Intermediate formation of both brookite and anatase nanorods provides dual pathways to VRTNs' growth: one path in which anatase seeds trigger and promote brookite nanorod growth; and a second path in which anatase nanorods are formed by oriented attachment. Subsequent dissolution of both brookite and anatase nanorods provides titania to support VRTNs growth.

Graphical abstract: Large scale synthesis of V-shaped rutile twinned nanorods

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Publication details

The article was received on 22 Nov 2011, accepted on 17 Jan 2012 and first published on 24 Feb 2012


Article type: Paper
DOI: 10.1039/C2CE06564A
Citation: CrystEngComm, 2012,14, 3120-3124
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    Large scale synthesis of V-shaped rutile twinned nanorods

    W. Lu, B. Bruner, G. Casillas, J. He, M. Jose-Yacaman and P. J. Farmer, CrystEngComm, 2012, 14, 3120
    DOI: 10.1039/C2CE06564A

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