Methods for producing long-chain hydrocarbon molecules using heat source

A method for producing organic molecules having at least two carbon atoms chained together by the reaction of a hydrogen-containing source, a carbon-containing source and an optional nitrogen-containing source in the presence of a nanostructure or nanostructures, wherein the reaction is initiated by heat in a dark environment,

• wherein carbon-containing source is selected from the group consisting of CO2 and CO, or air, industrial flue gas, exhausts, or emissions comprising one or more of CO2 and CO,
• wherein the hydrogen-containing source is water in liquid or gaseous phase, or waste water, industrial flue gas, exhausts, or emissions comprising water,
• wherein the nitrogen-containing source is NO2, or air, industrial flue gas, exhausts, or emissions comprising NO2, and
• the nanostructure each independently comprises a metal selected from the group consisting of Au, Al, Ag, Co, Fe, Ti, stainless steel, and any combination thereof, or the nanostructure each independently comprises a first component, a second component, or any combination thereof, wherein the first component is selected from the group consisting of Co, Fe, Al, Ag, Au, Zn, Ti, C, and any combination thereof, the second component is selected from the group consisting of Co, Ag, Rh, Pd, Os, Ir, La, Ce, oxides thereof, hydroxides thereof, inorganic acid salts thereof, C, and any combination thereof.