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Self-assembly based on reversible metal-ligand bond formation is useful for the synthesis of discrete supramolecular nanoarchitectures. However, the architectures constructed by this technique… (More)
Single-crystal X-ray structures of stacked ionic assemblies of meso-tetrakis(N-alkylpyridinium-4-yl)porphyrin and meso-tetrakis(4-sulfonatophenyl)porphyrin (TPPS4−) were revealed. The tetracationic...
This highlight review describes our contribution to the field of biomimetic and technomimetic molecular machines specially designed to be studied as single molecules on surfaces. Prototypes of… (More)
A tetraanionic porphyrin and a tetracationic metallomacrocycle formed a layered two-dimensional nanosheet through multiple electrostatic interactions. X-ray crystallography revealed that the sheet is… (More)
Dimers of dianionic porphyrins were formed via template-directed self-assembly on a tetracationic macrocycle. Single-crystal X-ray structural analyses revealed that [5,10-bis(4-sulfonatophenyl)-15,...
It remains challenging to develop alternatives, based on widely abundant elements, to highly active Pt catalysts for the hydrogen evolution reaction. Metal sulfide nanoparticles (NPs) are potential… (More)
The high overpotential of the oxygen evolution reaction is a critical issue to be overcome to realize efficient overall water splitting and enable hydrogen generation powered by sunlight. Homogeneous… (More)