Heinz Frei

TL;DR: Nanostructured Co(3)O(4) clusters in mesoporous silica are the first example of a nanometer-sized multielectron catalyst made of a first-row transition-metal oxide that evolves oxygen from water efficiently.

TL;DR: Using time-resolved Fourier-transform infrared spectroscopy and under reaction conditions, intermediates of water oxidation catalysed by an abundant metal-oxide catalyst, cobalt oxide (Co3O4), are identified.

TL;DR: New spectroscopic and microscopic techniques have been developed that operate under reaction conditions and reveal the dynamic change of molecular structure of catalysts and adsorbed molecules as the reactions proceed with changes in reaction intermediates, catalyst composition, and oxidation states.

TL;DR: In this paper, the results of all-inorganic materials for catalytic water oxidation reported recently from other laboratories, in particular electrodeposits generated from Co phosphate solutions, a molecular water oxidation catalyst based on a polyoxotungstate featuring a Co oxide core, and Mn oxide materials with incorporated Ca ions are reviewed.

TL;DR: PVP adheres to the nanoparticles through a charge-transfer interaction between the pyrrolidone rings and surface Pt atoms, and heating the Pt nanoparticles under reducing conditions initiate the decomposition of the capping agent, PVP, at a temperature 100 degrees C below that of pure PVP.