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TiO2 Rutile Nanorod Arrays Grown on FTO Substrate Using Amino Acid at a Low Temperature

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Abstract:

Vertically aligned single-crystalline TiO2 rutile nanorod arrays were synthesized on FTO transparent conductive substrates, via the hydrolysis of TiCl4 under the co-existence of amino acid catalysts. Using TiO2 seed nanocrystals (prepared from Ti(IV) ethoxide, calcined at 450 °C for 1 h), TiO2 rutile nanorod arrays grew at a relatively mild temperature of 95 °C for 2 days. The growth speed and morphology of nanorod array were controllable by changing the type and concentration of amino acid. XRD analysis revealed that the TiO2 nanorod arrays were composed of highly crystalline rutile phase even without calcination. Preliminary dye-sensitized solar cell performance was also reported.

Keywords: AMINO ACID; DYE-SENSITIZED SOLAR CELLS; NANOROD ARRAY; RUTILE; TIO2

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2010.1900

Publication date: April 1, 2010

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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