Comparison of the Photocatalytic Degradation of 2-Propanol in Gas.Solid and Liquid-Solid Systems by Using TiO2-LnPc2 Hybrid Powders

Elisa Isabel Garcia Lopez, Giuseppe Marci', Leonardo Palmisano, Gabriela Dyrda, Rudolf Słota, Giuseppe Mele

Risultato della ricerca: Articlepeer review

20 Citazioni (Scopus)

Abstract

Photocatalytic degradation of 2-propanol was carried out as a probe reaction both in gas–solid and inliquid–solid systems in the presence of TiO2 both bare and impregnated with lanthanide (Sm, Gd, Ho)bis-phthalocyanines (LnPc2) used as sensitizers. Continuous and batch photo-reactors, irradiated with anequal flux of photons, were used in gas–solid and in liquid–solid systems, respectively. Propanone andacetaldehyde were the main intermediates found in both systems during 2-propanol oxidation, whereascarbon dioxide and water were the final oxidation products exclusively in the gas–solid regime. Thephotocatalysts exhibited significantly higher activity in the liquid–solid system than in the gas–solidone. Samples impregnated with the sensitizers were apparently more photoactive than bare TiO2. Thehighest photoactivity was shown by the 1.85 HoPc2–TiO2 sample
Lingua originaleEnglish
pagine (da-a)203-210
Numero di pagine8
RivistaCatalysis Today
Volume143
Stato di pubblicazionePublished - 2009

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)

Fingerprint Entra nei temi di ricerca di 'Comparison of the Photocatalytic Degradation of 2-Propanol in Gas.Solid and Liquid-Solid Systems by Using TiO2-LnPc2 Hybrid Powders'. Insieme formano una fingerprint unica.

Cita questo