A catalyst for producing hydrogen peroxide and a preparation method therefor are provided. The catalyst for producing hydrogen peroxide according to the embodiments of the present invention comprises a carbon-based support and a catalyst moiety that is bonded to the carbon-based support and comprises an M.sub.1-N bonding structure (M.sub.1 represents a transition metal atom). The method for preparing a catalyst for producing hydrogen peroxide according to the embodiments of the present invention comprises comprises preparing a carbon-based support, providing a transition metal atom (M.sub.1) to the carbon-based support, and doping nitrogen into the carbon-based support.

A catalyst for producing hydrogen peroxide and a preparation method therefor are provided. The catalyst for producing hydrogen peroxide according to the embodiments of the present invention comprises a carbon-based support and a catalyst moiety that is bonded to the carbon-based support and comprises an M.sub.1-N bonding structure (M.sub.1 represents a transition metal atom). The method for preparing a catalyst for producing hydrogen peroxide according to the embodiments of the present invention comprises comprises preparing a carbon-based support, providing a transition metal atom (M.sub.1) to the carbon-based support, and doping nitrogen into the carbon-based support.

The present invention relates to a catalyst for transfer hydrogenation, which is formed of a metal-organic framework having an MOF-808 based X-ray diffraction pattern.

A high crystalline porous MOF-808 based metal-organic framework exhibits excellent performance in the transfer hydrogenation of ethyl levulinate (EL) at high and low temperature.

The present invention relates to a catalyst for transfer hydrogenation, which is formed of a metal-organic framework having an MOF-808 based X-ray diffraction pattern.

A high crystalline porous MOF-808 based metal-organic framework exhibits excellent performance in the transfer hydrogenation of ethyl levulinate (EL) at high and low temperature.

Provided is a method for manufacturing a single-atom catalyst supported on a carbon support, including treating a mixture of a precursor of a carbon support and a precursor of a hetero element other than carbon through a dry vapor phase process, thereby supporting, on a carbon support, a single-atom catalyst containing a hetero element other than carbon.

A method can include incorporating graphene oxide (GO) in a solution, reducing the graphene oxide (GO) by refluxing carbon nitride (C.sub.3N.sub.4) in the solution to form carbon-nitride refluxed-graphene-oxide (C.sub.3N.sub.4-rGO) composites, and incorporating ruthenium ions into the C.sub.3N.sub.4-rGO composites to form C.sub.3N.sub.4-rGO-Ru complexes.

A perovskite-type oxide catalyst for water-splitting reactions is provided. The catalyst, Ca.sub.2-ySr.sub.yFe.sub.1-xCo.sub.1-xMn.sub.2xO.sub.6-δ where y=0.10-1.90 and x=0.05-0.95, has catalytic activity for both hydrogen- and oxygen-evolution reactions. An exemplary catalyst is CaSrFe.sub.0.75Co.sub.0.75Mn.sub.0.5O.sub.6-δ.

A perovskite-type oxide catalyst for water-splitting reactions is provided. The catalyst, Ca.sub.2-ySr.sub.yFe.sub.1-xCo.sub.1-xMn.sub.2xO.sub.6-δ where y=0.10-1.90 and x=0.05-0.95, has catalytic activity for both hydrogen- and oxygen-evolution reactions. An exemplary catalyst is CaSrFe.sub.0.75Co.sub.0.75Mn.sub.0.5O.sub.6-δ.

The present invention relates to a catalyst-supporting organic-inorganic hybrid composite particle, and more particularly, to a technique of adjusting a desired pot life and curing speed by preparing a catalyst-supporting organic-inorganic hybrid composite particle by adding a catalyst for polyurethane reaction to a catalyst-supporting particle prepared by stirring an alkoxy silane-functionalized polyurethane precursor and the tetraethyl orthosilicate for a certain period of time and mixing them, and adjusting an initiation rate for polyurethane polymerization through the prepared catalyst-supporting organic-inorganic hybrid composite particle.

A method of synthesizing a three-dimensional (3D) reduced graphene oxide (RGO) foam embedded with water-splitting nanocatalysts includes providing at least one solution containing at least one precursor of nanocatalysts, and a graphene oxide (GO) aqueous suspension; mixing the GO aqueous suspension with the at least one solution to form a mixture suspension; and performing hydrothermal reaction in the mixture suspension to form a 3D RGO foam embedded with the nanocatalysts.