What question did this study set out to answer?

To explore how metallation affects photocatalytic hydrogen evolution using metal complexes in a molecular cage.

January 16, 2026Inorganic Chemistry Frontiers0 citationsOpen Access

Confined Metal Centers in a Symmetric Cage: Mono- and Heterodinuclear Complexes for Photocatalytic Hydrogen Evolution

MRMelvin RaulinCentre National de la Recherche Scientifique FDFederico DroghettiUniversity of Ferrara DZDavide ZeppilliUniversity of Padua

Key Points

To explore how metallation affects photocatalytic hydrogen evolution using metal complexes in a molecular cage.
Utilized a selective metallation strategy to incorporate metal ions into a tris(2-pyridylmethyl)amine cage.
Compared mono- and heterodinuclear complexes formed with different metal ions.
Conducted photocatalytic tests to measure hydrogen evolution efficiency.
Demonstrated successful incorporation of distinct metal ions into the molecular cage.
Observed enhanced photocatalytic activity in specific metal configurations.
Confirmed the advantages of using heterodinuclear complexes for improved hydrogen generation efficiency.

Abstract

We report a selective metallation strategy that enables the controlled incorporation of one or two distinct metal ions within a chiral and symmetric tris(2-pyridylmethyl)amine ( TPMA )-based molecular cage. Unlike typical homoditopic...

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