Journal
MATERIALS
Volume 14, Issue 14, Pages -Publisher
MDPI
DOI: 10.3390/ma14143912
Keywords
gold; silver; carbon nitride; nanostructures; ibuprofen; photocatalysis; visible light
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Funding
- D.G.I. MINECO/FEDER [PID2019-104379RBC22]
- EC through the FEDER POCTEFA project NUTRIA [EFA 356/19]
- Universidad de La Rioja
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The Au-Ag/g-C3N4 nanohybrids were synthesized by self-reduction of an organometallic precursor, resulting in two populations of alloyed Au-Ag nanoparticles on g-C3N4 surface. The combination of these nanoparticles with g-C3N4 semiconductor exhibited enhanced photocatalytic properties towards ibuprofen degradation under visible light.
Au-Ag/g-C3N4 nanohybrids 2-3 were synthesized by the one-pot self-reduction of the organometallic precursor [Au2Ag2(C6F5)(4)(OEt2)(2)](n) in the presence of graphitic carbon nitride (g-C3N4), leading to two populations of alloyed Au-Ag nanoparticles (NPs) of different size and composition on the surface of g-C3N4, i.e., Ag-enriched Au-Ag NPs of smaller size and Au-enriched Au-Ag NPs of larger size. The combination of these two types of plasmonic NPs with g-C3N4 semiconductor displays enhanced photocatalytic properties towards the degradation of ibuprofen under visible light by the increased charge carrier separation provided by the inclusion of the plasmonic NPs on g-C3N4.
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