Hydrogen evolution with CsPbBr3 perovskite nanocrystals under visible light in solution

Mariia V. Pavliuk, Mohamed Abdellah, Jacinto Sá

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)

Abstract

Direct proton photo-reduction to molecular hydrogen with a lead-halide perovskite photosystem is presented. The concept uses CsPbBr3 nanocrystals and Ru@TiO2 nanoparticles as light harvesters and catalyst, respectively. The photo-system attains charge transfer from donor to acceptor via collision events, established via static and ultrafast spectroscopy. The photo-system exhibits a photon-to-hydrogen efficiency of ca. 0.4%, a respectable efficiency for a system relying on effective collisions for the transference of electrons.

Original languageEnglish
Pages (from-to)90-96
Number of pages7
JournalMaterials Today Communications
Volume16
DOIs
Publication statusPublished - Sept 2018
Externally publishedYes

Keywords

  • Charge transfer via collision
  • H evolution
  • Inorganic perovskites nanocrystals
  • Ultrafast spectroscopy

ASJC Scopus subject areas

  • General Materials Science
  • Mechanics of Materials
  • Materials Chemistry

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