Water oxidation is a key reaction in natural and artificial photosynthesis. In nature, the reaction is efficiently catalyzed by a metal‐complex‐based catalyst surrounded by hole‐transporting amino acid residues. However, in artificial systems, there is no example of a water oxidation system that has a catalytic center surrounded by hole transporters. Herein, we present a facile strategy to integrate catalytic centers and hole transporters in one system. Electrochemical polymerization of a metal‐complex‐based precursor afforded a polymer‐based material (Poly‐1). Poly‐1 exhibited excellent hole‐transporting ability and catalyzed water oxidation with high performance. It was also revealed that the catalytic activity was almost completely suppressed in the absence of the hole‐transporting moieties. The present study provides a novel strategy for constructing efficient molecule‐based systems for water oxidation.
A novel Ru polypyridyl complex with an N-heterocyclic carbene ligand was successfully synthesised and characterised. The complex exhibited an intense absorption band in the visible-light region derived from the strong...
CO 2 reduction reaction underpins broad interest because this technology can produce value-added carbon products and counteract CO 2 emissions. [2] In particular, CO 2 reduction in aqueous media is an advantageous approach because water is an inexpensive, abundant, and environmentally benign solvent that facilitates proton and electron transfer, which is required to drive catalysis. Based on this background, vast efforts have been devoted to the development of molecule-based catalysts for CO 2 reduction. [3,4] The most significant advantage of molecule-based catalysts is their high tunability for catalytic activity based on the precise modification of molecular structures. From the excellent examples of state-of-the-art molecule-based catalysts for CO 2 reduction, we can extract the following important features to achieve efficient catalysis (Scheme 1a). First, ironporphyrin complexes [4c,d,h,5] are a promising catalytic platform for CO 2 reduction because the complexes are based on earthabundant metal ions and show extremely high catalytic activity. Additionally, their ease of structural modification enables finetuning of the activity. [4c,d,h,5,6] Second, dinuclear complexes with closely positioned metal centers can accelerate catalysis. [3k,4i,j] This fact indicates that the presence of adjacent catalytic active Dedicated to the memory of Prof. Dr. Jean-Michel Savéant, who made a great contribution to this field
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.