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Inorganics 2014, 2(2), 264-277;

Microwave-Assisted Synthesis of Boron-Modified TiO2 Nanocrystals

Istituto Nanoscienze—CNR, National Nanotechnology Laboratory (NNL), Via Arnesano,Lecce 73100, Italy
IC—CNR, Via Giovanni Amendola, 122/O, Bari 70126, Italy
Department of Innovation Engineering, University of Salento, Via Monteroni, Lecce 73100, Italy
University of Calabria, Via Pietro Bucci, Arcavacata di Rende, 87036, Cosenza, Italy
Author to whom correspondence should be addressed.
Received: 4 April 2014 / Revised: 19 May 2014 / Accepted: 21 May 2014 / Published: 6 June 2014
(This article belongs to the Special Issue Inorganic Syntheses Assisted by Microwave Heating)
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An efficient microwave-assisted synthesis of TiO2:(B) nanorods, using titanium tetraisopropoxide (TTIP), benzyl alcohol as the solvent, together with boric acid and oleic acid as the additive reagents, has been developed. Chemical modification of TTIP by oleic acid was demonstrated as a rational strategy to tune the shape of TiO2 nanocrystals toward nanorod formation. The differently-shaped TiO2:(B) nanocrystals were characterized in detail by transmission electron microscopy (TEM), inductively coupled plasma-atomic emission spectroscopy (ICP-AES), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), Raman spectroscopy and nitrogen absorption-desorption. Oleic acid coordinated on the nanocrystal surface was removed by the reduction of its carboxyl group, and the photocatalytic activity of bare TiO2 nanocrystals, under visible light irradiation, was also evaluated. The synthesized TiO2 anatase nanorods exhibited a good photoactivity and completely degraded Rhodamine B solution within three hours. View Full-Text
Keywords: microwave synthesis; TiO2; anatase; nanocrystals; doping; photoactivity microwave synthesis; TiO2; anatase; nanocrystals; doping; photoactivity

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Carlucci, C.; Scremin, B.F.; Sibillano, T.; Giannini, C.; Filippo, E.; Perulli, P.; Capodilupo, A.L.; Corrente, G.A.; Ciccarella, G. Microwave-Assisted Synthesis of Boron-Modified TiO2 Nanocrystals. Inorganics 2014, 2, 264-277.

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