Primo Arnau, Ana María; Marino, Tiziana; Corma Canós, Avelino; Molinari, Raffaele; García Gómez, Hermenegildo(American Chemical Society, 2011)
When irradiated with visible light (¿ > 400 nm) 1wt%gold-supported ceria nanoparticles generate oxygen from water (10.5 ¿mol 3 h 1)moreefficiently than the standardWO3 (1.7 ¿mol 3 h 1) even under UV irradiation (9.5 ¿mol ...
[EN] The photoproduction of hydrogen has been performed under visible light irradiation of Au–TiO2/activated carbon (AC) materials prepared by different activation methods. Results were compared against those obtained under ...
Gomes Silva, Claudia; Juárez Marín, Raquel; Marino, Tiziana; Molinari, Raffaele; García Gómez, Hermenegildo(American Chemical Society, 2011)
: Gold nanoparticles supported on P25 titania (Au/TiO2) exhibit photocatalytic activity for UV and
visible light (532 nm laser or polychromatic light ¿ > 400 nm) water splitting. The ef¿ciency and operating
mechanism are ...
Lavorato, Cristina; Primo Arnau, Ana María; Molinari, Raffaele; García Gómez, Hermenegildo(Wiley-VCH Verlag, 2014-01-03)
There is much current interest in developing graphene-based materials as photocatalysts, particularly in the field of solar fuels and the photocatalytic generation of hydrogen. Graphene is a versatile material allowing ...
Lavorato, Cristina; Primo Arnau, Ana María; Molinari, Raffaele; García Gómez, Hermenegildo(American Chemical Society, 2014-02)
Using alginate, a natural polysaccharide from algae, simultaneously as a graphene
precursor and a templating agent for ceria nanoparticles, we have prepared a series of materials
consisting of highly crystalline ceria ...
Atienzar Corvillo, Pedro Enrique; Primo Arnau, Ana María; Lavorato, Cristina; Molinari, Raffaele; García Gómez, Hermenegildo(American Chemical Society, 2013)
Pyrolysis at 900 degrees C under an inert atmosphere of alginate, a natural widely available biopolymer, renders a graphitic carbon that upon ablation by exposure to a pulsed 532 nm laser (7 ns, 50 mJ pulse(-1)) in ...
Marino, Tiziana; Molinari, Raffaele; García Gómez, Hermenegildo(Elsevier, 2013-05-01)
The influence of gold nanoparticles on the photocatalytic activity (500 W-medium pressure Hg lamp) of TiO2 anatase for the conversion of benzene to phenol has been studied. Au/TiO2 samples (Au loading ranging from 0.25 to ...
Dye-sensitized graphene oxide is able to generate hydrogen from water/methanol mixtures (80:20) by using visible or solar light. The most efficient photocatalyst tested contained a tris(2,2-bipyridyl) ruthenium(II) complex ...