Publications by authors named "Takahiro Ami"
Developing porous electrocatalysts to minimize overpotential for the oxygen evolution reaction.
Chem Commun (Camb)
December 2024
The development of electrocatalysts for the oxygen evolution reaction (OER) is one of the most critical issues for improving the efficiency of electrochemical water-splitting, which can produce green hydrogen energy without CO emissions. This review outlines the advances in the precise design of inorganic- and organic-based porous electrocatalysts, which are designed by various strategies, to catalyze the OER in the electrolytic cycle for efficient water-splitting. For developing high-performance electrocatalysts with low overpotentials, it is important to design a chemical composition that optimizes binding energy for an intermediate in the OER and allows the easy access of reactants to active sites depending on the porosity of electrocatalysts.
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- Water behaves differently in hydrophobic nanospaces compared to bulk water, and studying these differences is important for various scientific fields.
- Researchers successfully created all-organic diamondoid porous organic salts (d-POSs) with nanospaces lined with hydrophobic fluorine atoms, which enhances their water stability.
- This new material can absorb a significant amount of water vapor and shows high proton conductivity, potentially aiding in understanding water properties in purely hydrophobic settings.
Article Synopsis
- A new compound, a diamino-substituted π-extended phenazine, was synthesized and its light-emitting properties were analyzed.
- This diaminophenazine showed photoluminescence in solution with a decent level of efficiency.
- The compound successfully reacted with formaldehyde to create Tröger's base ladder polymer, which exhibits strong carbon monoxide adsorption selectivity because of basic nitrogen atoms in its structure.
Porous Organic Salts: Diversifying Void Structures and Environments.
Angew Chem Int Ed Engl
August 2022
Porous organic salts (POSs) are porous organic materials, in which various aromatic sulfonic acids and amines are regularly self-assembled by charge-assisted hydrogen bonding. POSs exhibit high solubility in highly polar solvents. Therefore, they are prepared via facile recrystallization and exhibit high recyclability.
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