Gold(I)-Complex–Titania Hybrid Photocatalyst for Hydrogen Production

Elisabet Aguiló, Lluís Soler, Albert Casanovas, Artur J. Moro, João Carlos Lima, Laura Rodríguez, Jordi Llorca

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)


The integration of TiO2 with a AuI complex containing a thiocoumarin moiety resulted in a very efficient photocatalyst for the generation of H2. The molecular structure of the complex was preserved under the photoreaction owing to the strong AuI−S bond. The AuI complex played a determinant role in the photogeneration of H2 by accepting the photoinduced electrons originated in TiO2 upon light exposure. This is the first example of a AuI complex semiconductor hybrid photocatalyst. The rate of H2 generation under dynamic conditions from water/ethanol is approximately one order of magnitude superior on a metal basis to that obtained over conventional TiO2 decorated with Au metal nanoparticles.

Original languageEnglish
Pages (from-to)3289-3292
Number of pages4
Issue number17
Publication statusPublished - 8 Sep 2017


  • gold
  • hydrogen
  • photocatalysis
  • thiocoumarins
  • titanium


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