Home-prepared anatase, rutile, and brookite TiO2 for selective photocatalytic oxidation of 4-methoxybenzyl alcohol in water: reactivity and ATR-FTIR study

Vittorio Loddo, Giovanni Palmisano, Vincenzo Augugliaro, Leonardo Palmisano, Sedat Yurdakal, Carlos Márquez-Álvarez, María José López-Muñoz, Carlos Márquez-Álvarez

Risultato della ricerca: Articlepeer review

62 Citazioni (Scopus)

Abstract

TiO2 catalysts of anatase, rutile and brookite phase were prepared at low temperature and tested for carrying out the photocatalytic partial oxidation of 4-methoxybenzyl alcohol to 4-methoxybenzaldehyde (p-anisaldehyde) in organic-free water suspensions. Traces of 4-methoxybenzoic acid and open-ring products were the only by-products present, CO2 being the other main oxidation product. Rutile exhibited the highest yield to p-anisaldehyde (62% mol) at a rate of the same order of magnitude of that showed by the other samples. Commercial rutile and anatase photocatalysts were also used for the sake of comparison. The samples have been characterised by an in situ ATR-FTIR investigation carried out in conditions simulating the photoreaction ones.
Lingua originaleEnglish
pagine (da-a)663-669
Numero di pagine7
RivistaPHOTOCHEMICAL & PHOTOBIOLOGICAL SCIENCES
Volume8
Stato di pubblicazionePublished - 2009

All Science Journal Classification (ASJC) codes

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