Method to prepare a catalyst for use in a process for the synthesis of methanol, comprising indium oxide in the form of In.sub.2O.sub.3, and at least one additional metal selected from a noble metal; and in that the average particle size of said noble metal phase is, preferably at least 0.05 nm, and less than 5 nm as determined by STEM-EDX, characterized in that the catalyst is prepared by co-precipitation of a saline solution at a pH above 8.5 comprising an indium salt and a salt of the at least one additional metal selected from a noble metal and optionally further comprising a salt of the at least one alkaline earth metal.

A compound having formula I that is useful for CO reduction is provided: ##STR00001##
wherein:
M is a transition metal;
X.sub.1, X.sub.2 are each independently a counterion; and
R.sub.1, R.sub.2, R.sub.3 are each independently H, C.sub.1-6 alkyl, C.sub.6-15 aryl, or C.sub.6-15 heteroaryl.

A compound having formula I that is useful for CO reduction is provided: ##STR00001##
wherein:
M is a transition metal;
X.sub.1, X.sub.2 are each independently a counterion; and
R.sub.1, R.sub.2, R.sub.3 are each independently H, C.sub.1-6 alkyl, C.sub.6-15 aryl, or C.sub.6-15 heteroaryl.

A method for the production of hydrocarbon(s), such as methane, substituted hydrocarbons, such as methanol, or the production of hydrogen, the method comprising the steps of contacting a first catalyst with water in order to photocatalyse the splitting of at least some of the water into hydrogen and oxygen; and contacting a second catalyst with a gas stream comprising carbon dioxide and at least some of the hydrogen produced from step (a) in order to photocatalyse the reaction between the hydrogen and carbon dioxide to produce hydrocarbon(s), such as methane, and/or substituted hydrocarbons, such as methanol. In an embodiment, the catalyst comprises gold and or ruthenium nanoclusters supported on a substrate.

A method for the production of hydrocarbon(s), such as methane, substituted hydrocarbons, such as methanol, or the production of hydrogen, the method comprising the steps of contacting a first catalyst with water in order to photocatalyse the splitting of at least some of the water into hydrogen and oxygen; and contacting a second catalyst with a gas stream comprising carbon dioxide and at least some of the hydrogen produced from step (a) in order to photocatalyse the reaction between the hydrogen and carbon dioxide to produce hydrocarbon(s), such as methane, and/or substituted hydrocarbons, such as methanol. In an embodiment, the catalyst comprises gold and or ruthenium nanoclusters supported on a substrate.

A method for the production of hydrocarbon(s), such as methane, substituted hydrocarbons, such as methanol, or the production of hydrogen, the method comprising the steps of contacting a first catalyst with water in order to photocatalyse the splitting of at least some of the water into hydrogen and oxygen; and contacting a second catalyst with a gas stream comprising carbon dioxide and at least some of the hydrogen produced from step (a) in order to photocatalyse the reaction between the hydrogen and carbon dioxide to produce hydrocarbon(s), such as methane, and/or substituted hydrocarbons, such as methanol. In an embodiment, the catalyst comprises gold and or ruthenium nanoclusters supported on a substrate.

A process of utilizing the catalyst for converting carbon oxide into methanol is provided. The process includes putting a catalyst into a fixed bed reactor and introducing a gas mixture of hydrogen and the carbon oxide into the fixed bed reactor, and performing a hydrogenation reaction under the effect of the catalyst to form the methanol

A process of utilizing the catalyst for converting carbon oxide into methanol is provided. The process includes putting a catalyst into a fixed bed reactor and introducing a gas mixture of hydrogen and the carbon oxide into the fixed bed reactor, and performing a hydrogenation reaction under the effect of the catalyst to form the methanol

A process of utilizing the catalyst for converting carbon oxide into methanol is provided. The process includes putting a catalyst into a fixed bed reactor and introducing a gas mixture of hydrogen and the carbon oxide into the fixed bed reactor, and performing a hydrogenation reaction under the effect of the catalyst to form the methanol

A method for the production of hydrocarbon(s), such as methane, substituted hydrocarbons, such as methanol, or the production of hydrogen, the method comprising the steps of contacting a first catalyst with water in order to photocatalyse the splitting of at least some of the water into hydrogen and oxygen; and contacting a second catalyst with a gas stream comprising carbon dioxide and at least some of the hydrogen produced from step (a) in order to photocatalyse the reaction between the hydrogen and carbon dioxide to produce hydrocarbon(s), such as methane, and/or substituted hydrocarbons, such as methanol. In an embodiment, the catalyst comprises gold and or ruthenium nanoclusters supported on a substrate.