Black TiOx photocatalyst obtained by laser irradiation in water
Catalysis Communications, 2016•Elsevier
In this work, we present the synthesis of a nanostructured TiO x film on a Ti foil by using a
scalable and environmental friendly methodology such as the laser irradiation in liquid. The
obtained black-TiO x film is composed by amorphous titanates and shows a high absorption
in both visible and UV range. The introduction of a thin layer of Pt nanoparticles (PtNps) on
the rear side of the Ti foil, gave rise to a stacked layered structure (TiO x/Ti/PtNps) that
boosted the quantum photocatalytical efficiency, according to ISO 10678: 2010. Such …
scalable and environmental friendly methodology such as the laser irradiation in liquid. The
obtained black-TiO x film is composed by amorphous titanates and shows a high absorption
in both visible and UV range. The introduction of a thin layer of Pt nanoparticles (PtNps) on
the rear side of the Ti foil, gave rise to a stacked layered structure (TiO x/Ti/PtNps) that
boosted the quantum photocatalytical efficiency, according to ISO 10678: 2010. Such …
Abstract
In this work, we present the synthesis of a nanostructured TiOx film on a Ti foil by using a scalable and environmental friendly methodology such as the laser irradiation in liquid. The obtained black-TiOx film is composed by amorphous titanates and shows a high absorption in both visible and UV range. The introduction of a thin layer of Pt nanoparticles (PtNps) on the rear side of the Ti foil, gave rise to a stacked layered structure (TiOx/Ti/PtNps) that boosted the quantum photocatalytical efficiency, according to ISO 10678:2010. Such enhancement is discussed in terms of hole trapping by surface states and electron scavenging by the Pt Nps.
Elsevier
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