Oriented TiO2 nanostructured pillar arrays: Synthesis and characterization

Federico Cesano, Serena Bertarione, Alessandro Damin, Giovanni Agostini, Sandro Usseglio, Jenny G. Vitillo, Carlo Lamberti, Giuseppe Spoto, Domenica Scarano, Adriano Zecchina

Research output: Contribution to journalArticlepeer-review

35 Scopus citations


A new method for the synthesis of parallelly aligned TiO2 micropillars, either pure or fixed to a rigid carbon support was investigated. Mild oxidation treatment at 500°C under a flow of N2 containing 1% of oxygen led to the formation of parallelly oriented elongated pillars that emerge from a compact amorphous carbon phase. The pillars were mesophorous and constitute of partially cemented anatase particles with diameters in the 10-20 nm range and a surface area of approximately 60 m2/g. A solution of 2-furanmethanol and Ti isopropoxide was prepared at room temperature. The solution was then heated to obtain a solid resin. It was observed that pure TiO2 pillars that constitute of nearly pure anatase phase can be obtained by a further prolonged oxidation process in the presence of 10% oxygen.

Original languageEnglish (US)
Pages (from-to)3342-3348
Number of pages7
JournalAdvanced Materials
Issue number17
StatePublished - Sep 3 2008


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