Issue 10, 2010

Fabrication and growth mechanism of three-dimensional spherical TiO2 architectures consisting of TiO2nanorods with {110} exposed facets

Abstract

In this paper, we report on the fabrication of a novel rutile TiO2 architecture consisting of nanorods with {110} exposed facets through a simple hydrothermal method without using any templates. An outside-in ripening mechanism is proposed to account for the formation of the TiO2 architectures.

The formation of the TiO2 architectures can be attributed to the Ostwald step rule and highly acidic medium. Significantly, the current method is suitable for high-yield (>98%) production of the TiO2 architectures with nearly 100% morphological yield. This research provides a facile route to fabricate rutile TiO2 with three-dimensional microstructures based on nanounits. It is easy to realize their industrial-scale synthesis and application because of the simple synthesis method, low cost, and high yield.

Graphical abstract: Fabrication and growth mechanism of three-dimensional spherical TiO2 architectures consisting of TiO2 nanorods with {110} exposed facets

Supplementary files

Article information

Article type
Paper
Submitted
26 Feb 2010
Accepted
11 May 2010
First published
03 Aug 2010

Nanoscale, 2010,2, 2109-2113

Fabrication and growth mechanism of three-dimensional spherical TiO2 architectures consisting of TiO2 nanorods with {110} exposed facets

Y. Sang, B. Geng and J. Yang, Nanoscale, 2010, 2, 2109 DOI: 10.1039/C0NR00151A

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