Improving hydrogen production for carbon-nitride-based materials: crystallinity, cyanimide groups and alkali metals in solution working synergistically

Autor(es)

Teixeira, Ivo F. ; Tarakina, Nadezda, V ; Silva, Ingrid F. ; Diab, Gabriel Ali Atta ; Salas, Nieves Lopez ; Savateev, Aleksandr ; Antonietti, Markus

• Tipo de documento: Artigo Científico
• Fonte: JOURNAL OF MATERIALS CHEMISTRY A; v. 10, n. 35, p. 6-pg., 2022-08-15.

Resumo

The recent findings on the fundamental understanding of the activity of carbon nitride-based materials in the hydrogen evolution reaction (HER) allow to design rationally the photocatalytic systems with improved activities. Herein, combining highly ordered materials with cyanimide defects and alkali metal cations in the solution, we demonstrated an important synergistic effect which for cyanimide modified K-PHI is revealed in 12 times higher apparent quantum yield (AQY) compared to K-PHI free of surface cyanimide groups. (AU)

• Processo FAPESP: 21/11162-8 - EMU concedido no processo 2020/14741-6: GC-MS/FID/TCD (2 injetores+Loop+Sistema valvulado)
• Beneficiário: Ivo Freitas Teixeira
• Modalidade de apoio: Auxílio à Pesquisa - Programa Equipamentos Multiusuários
• Processo FAPESP: 20/14741-6 - Nitretos de carbono grafítico como plataformas para single-atom fotocatálise: usando princípios de design para melhores desempenhos
• Beneficiário: Ivo Freitas Teixeira
• Modalidade de apoio: Auxílio à Pesquisa - Jovens Pesquisadores